./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/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_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:27:57,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:27:57,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:27:57,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:27:57,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:27:57,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:27:57,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:27:57,993 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:27:57,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:27:58,000 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:27:58,001 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:27:58,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:27:58,003 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:27:58,004 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:27:58,005 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:27:58,006 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:27:58,007 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:27:58,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:27:58,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:27:58,019 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:27:58,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:27:58,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:27:58,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:27:58,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:27:58,037 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:27:58,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:27:58,038 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:27:58,040 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:27:58,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:27:58,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:27:58,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:27:58,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:27:58,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:27:58,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:27:58,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:27:58,048 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:27:58,050 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:27:58,050 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:27:58,050 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:27:58,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:27:58,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:27:58,054 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 09:27:58,093 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:27:58,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:27:58,094 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:27:58,094 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:27:58,095 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:27:58,096 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:27:58,096 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:27:58,097 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:27:58,097 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:27:58,097 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:27:58,098 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:27:58,098 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:27:58,099 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:27:58,099 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:27:58,099 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:27:58,099 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:27:58,099 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:27:58,100 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:27:58,100 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:27:58,100 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:27:58,100 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:27:58,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:27:58,101 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:27:58,101 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:27:58,101 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:27:58,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:27:58,102 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:27:58,102 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:27:58,102 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:27:58,102 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:27:58,103 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_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed [2022-11-20 09:27:58,434 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:27:58,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:27:58,473 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:27:58,475 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:27:58,475 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:27:58,477 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2022-11-20 09:28:01,523 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:28:02,111 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:28:02,112 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2022-11-20 09:28:02,148 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/data/cde7827f3/09ce4e10b19c48d2afa697fc801306d9/FLAGed234153c [2022-11-20 09:28:02,165 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/data/cde7827f3/09ce4e10b19c48d2afa697fc801306d9 [2022-11-20 09:28:02,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:28:02,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:28:02,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:28:02,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:28:02,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:28:02,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:28:02" (1/1) ... [2022-11-20 09:28:02,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e26f0f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:02, skipping insertion in model container [2022-11-20 09:28:02,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:28:02" (1/1) ... [2022-11-20 09:28:02,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:28:02,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:28:05,105 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2022-11-20 09:28:05,110 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2022-11-20 09:28:05,111 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2022-11-20 09:28:05,111 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2022-11-20 09:28:05,112 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2022-11-20 09:28:05,113 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2022-11-20 09:28:05,114 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2022-11-20 09:28:05,114 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2022-11-20 09:28:05,115 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2022-11-20 09:28:05,116 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2022-11-20 09:28:05,116 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2022-11-20 09:28:05,117 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2022-11-20 09:28:05,118 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2022-11-20 09:28:05,118 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2022-11-20 09:28:05,119 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2022-11-20 09:28:05,120 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2022-11-20 09:28:05,120 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2022-11-20 09:28:05,121 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2022-11-20 09:28:05,122 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2022-11-20 09:28:05,123 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2022-11-20 09:28:05,123 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2022-11-20 09:28:05,124 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2022-11-20 09:28:05,125 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2022-11-20 09:28:05,125 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2022-11-20 09:28:05,126 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2022-11-20 09:28:05,127 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2022-11-20 09:28:05,127 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2022-11-20 09:28:05,128 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2022-11-20 09:28:05,129 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2022-11-20 09:28:05,129 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2022-11-20 09:28:05,130 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2022-11-20 09:28:05,130 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2022-11-20 09:28:05,131 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2022-11-20 09:28:05,132 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2022-11-20 09:28:05,132 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2022-11-20 09:28:05,133 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2022-11-20 09:28:05,134 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2022-11-20 09:28:05,134 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2022-11-20 09:28:05,135 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2022-11-20 09:28:05,136 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2022-11-20 09:28:05,136 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2022-11-20 09:28:05,137 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2022-11-20 09:28:05,138 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2022-11-20 09:28:05,138 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2022-11-20 09:28:05,139 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2022-11-20 09:28:05,140 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2022-11-20 09:28:05,140 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2022-11-20 09:28:05,141 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2022-11-20 09:28:05,142 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2022-11-20 09:28:05,142 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2022-11-20 09:28:05,143 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2022-11-20 09:28:05,143 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2022-11-20 09:28:05,144 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2022-11-20 09:28:05,145 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2022-11-20 09:28:05,145 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2022-11-20 09:28:05,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2022-11-20 09:28:05,146 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2022-11-20 09:28:05,147 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2022-11-20 09:28:05,148 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2022-11-20 09:28:05,148 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2022-11-20 09:28:05,149 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2022-11-20 09:28:05,149 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2022-11-20 09:28:05,150 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2022-11-20 09:28:05,150 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2022-11-20 09:28:05,151 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2022-11-20 09:28:05,152 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2022-11-20 09:28:05,152 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2022-11-20 09:28:05,153 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2022-11-20 09:28:05,153 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2022-11-20 09:28:05,154 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2022-11-20 09:28:05,154 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2022-11-20 09:28:05,155 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2022-11-20 09:28:05,156 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2022-11-20 09:28:05,156 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2022-11-20 09:28:05,157 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2022-11-20 09:28:05,158 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2022-11-20 09:28:05,158 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2022-11-20 09:28:05,159 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2022-11-20 09:28:05,159 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2022-11-20 09:28:05,160 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2022-11-20 09:28:05,161 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2022-11-20 09:28:05,161 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2022-11-20 09:28:05,162 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2022-11-20 09:28:05,162 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2022-11-20 09:28:05,163 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2022-11-20 09:28:05,164 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2022-11-20 09:28:05,164 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2022-11-20 09:28:05,165 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2022-11-20 09:28:05,173 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:28:05,204 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:28:05,565 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2022-11-20 09:28:05,566 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2022-11-20 09:28:05,567 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2022-11-20 09:28:05,568 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2022-11-20 09:28:05,569 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2022-11-20 09:28:05,569 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2022-11-20 09:28:05,570 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2022-11-20 09:28:05,575 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2022-11-20 09:28:05,576 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2022-11-20 09:28:05,577 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2022-11-20 09:28:05,578 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2022-11-20 09:28:05,579 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2022-11-20 09:28:05,579 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2022-11-20 09:28:05,580 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2022-11-20 09:28:05,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2022-11-20 09:28:05,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2022-11-20 09:28:05,582 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2022-11-20 09:28:05,582 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2022-11-20 09:28:05,583 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2022-11-20 09:28:05,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2022-11-20 09:28:05,586 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2022-11-20 09:28:05,587 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2022-11-20 09:28:05,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2022-11-20 09:28:05,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2022-11-20 09:28:05,589 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2022-11-20 09:28:05,589 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2022-11-20 09:28:05,590 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2022-11-20 09:28:05,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2022-11-20 09:28:05,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2022-11-20 09:28:05,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2022-11-20 09:28:05,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2022-11-20 09:28:05,593 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2022-11-20 09:28:05,594 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2022-11-20 09:28:05,594 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2022-11-20 09:28:05,595 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2022-11-20 09:28:05,595 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2022-11-20 09:28:05,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2022-11-20 09:28:05,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2022-11-20 09:28:05,597 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2022-11-20 09:28:05,597 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2022-11-20 09:28:05,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2022-11-20 09:28:05,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2022-11-20 09:28:05,600 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2022-11-20 09:28:05,601 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2022-11-20 09:28:05,602 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2022-11-20 09:28:05,602 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2022-11-20 09:28:05,603 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2022-11-20 09:28:05,603 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2022-11-20 09:28:05,604 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2022-11-20 09:28:05,604 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2022-11-20 09:28:05,605 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2022-11-20 09:28:05,606 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2022-11-20 09:28:05,606 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2022-11-20 09:28:05,607 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2022-11-20 09:28:05,607 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2022-11-20 09:28:05,608 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2022-11-20 09:28:05,608 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2022-11-20 09:28:05,609 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2022-11-20 09:28:05,609 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2022-11-20 09:28:05,610 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2022-11-20 09:28:05,610 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2022-11-20 09:28:05,611 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2022-11-20 09:28:05,613 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2022-11-20 09:28:05,615 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2022-11-20 09:28:05,619 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2022-11-20 09:28:05,620 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2022-11-20 09:28:05,620 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2022-11-20 09:28:05,621 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2022-11-20 09:28:05,621 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2022-11-20 09:28:05,622 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2022-11-20 09:28:05,623 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2022-11-20 09:28:05,629 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2022-11-20 09:28:05,630 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2022-11-20 09:28:05,635 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2022-11-20 09:28:05,637 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2022-11-20 09:28:05,637 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2022-11-20 09:28:05,638 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2022-11-20 09:28:05,644 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2022-11-20 09:28:05,644 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2022-11-20 09:28:05,645 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2022-11-20 09:28:05,646 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2022-11-20 09:28:05,647 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2022-11-20 09:28:05,647 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2022-11-20 09:28:05,649 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2022-11-20 09:28:05,649 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2022-11-20 09:28:05,650 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2022-11-20 09:28:05,650 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2022-11-20 09:28:05,651 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2022-11-20 09:28:05,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:28:05,883 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:28:05,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:05 WrapperNode [2022-11-20 09:28:05,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:28:05,885 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:28:05,885 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:28:05,885 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:28:05,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:05" (1/1) ... [2022-11-20 09:28:05,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:05" (1/1) ... [2022-11-20 09:28:06,129 INFO L138 Inliner]: procedures = 526, calls = 1327, calls flagged for inlining = 223, calls inlined = 134, statements flattened = 2382 [2022-11-20 09:28:06,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:28:06,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:28:06,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:28:06,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:28:06,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:05" (1/1) ... [2022-11-20 09:28:06,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:05" (1/1) ... [2022-11-20 09:28:06,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:05" (1/1) ... [2022-11-20 09:28:06,158 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:05" (1/1) ... [2022-11-20 09:28:06,272 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:05" (1/1) ... [2022-11-20 09:28:06,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:05" (1/1) ... [2022-11-20 09:28:06,292 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:05" (1/1) ... [2022-11-20 09:28:06,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:05" (1/1) ... [2022-11-20 09:28:06,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:28:06,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:28:06,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:28:06,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:28:06,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:05" (1/1) ... [2022-11-20 09:28:06,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:28:06,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:28:06,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:28:06,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:28:06,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 09:28:06,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 09:28:06,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 09:28:06,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 09:28:06,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 09:28:06,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 09:28:06,410 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-20 09:28:06,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-20 09:28:06,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 09:28:06,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 09:28:06,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-20 09:28:06,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-20 09:28:06,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 09:28:06,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 09:28:06,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_read_buffer_lock_of_lego_usb_tower [2022-11-20 09:28:06,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_read_buffer_lock_of_lego_usb_tower [2022-11-20 09:28:06,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 09:28:06,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 09:28:06,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 09:28:06,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 09:28:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-20 09:28:06,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-20 09:28:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:28:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 09:28:06,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 09:28:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-20 09:28:06,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-20 09:28:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-20 09:28:06,414 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-20 09:28:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-20 09:28:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-20 09:28:06,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-20 09:28:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 09:28:06,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 09:28:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_112 [2022-11-20 09:28:06,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_112 [2022-11-20 09:28:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 09:28:06,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 09:28:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 09:28:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 09:28:06,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 09:28:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-20 09:28:06,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-20 09:28:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 09:28:06,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 09:28:06,415 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-20 09:28:06,416 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-20 09:28:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 09:28:06,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 09:28:06,416 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-20 09:28:06,416 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-20 09:28:06,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 09:28:06,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 09:28:06,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex [2022-11-20 09:28:06,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex [2022-11-20 09:28:06,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower [2022-11-20 09:28:06,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower [2022-11-20 09:28:06,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 09:28:06,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 09:28:06,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 09:28:06,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:28:06,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 09:28:06,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 09:28:06,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 09:28:06,418 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-20 09:28:06,418 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-20 09:28:06,418 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-20 09:28:06,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-20 09:28:06,418 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-20 09:28:06,418 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-20 09:28:06,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-20 09:28:06,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-20 09:28:06,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 09:28:06,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 09:28:06,424 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-20 09:28:06,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-20 09:28:06,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex [2022-11-20 09:28:06,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex [2022-11-20 09:28:06,424 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-20 09:28:06,424 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-20 09:28:06,424 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-20 09:28:06,425 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-20 09:28:06,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:28:06,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:28:06,427 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-20 09:28:06,427 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-20 09:28:06,427 INFO L130 BoogieDeclarations]: Found specification of procedure tower_disconnect [2022-11-20 09:28:06,427 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_disconnect [2022-11-20 09:28:06,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 09:28:06,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 09:28:06,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 09:28:06,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 09:28:06,427 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-11-20 09:28:06,428 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-11-20 09:28:06,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-20 09:28:06,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-20 09:28:06,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-11-20 09:28:06,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-11-20 09:28:06,428 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-11-20 09:28:06,428 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-11-20 09:28:06,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 09:28:06,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 09:28:06,428 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_lego_usb_tower [2022-11-20 09:28:06,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_lego_usb_tower [2022-11-20 09:28:06,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:28:06,429 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 09:28:06,429 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 09:28:06,429 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 09:28:06,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 09:28:06,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 09:28:06,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 09:28:06,429 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 09:28:06,430 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 09:28:06,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 09:28:06,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 09:28:06,430 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-20 09:28:06,430 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-20 09:28:06,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 09:28:06,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 09:28:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower [2022-11-20 09:28:06,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower [2022-11-20 09:28:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-20 09:28:06,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-20 09:28:06,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-11-20 09:28:06,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-11-20 09:28:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 09:28:06,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 09:28:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-20 09:28:06,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-20 09:28:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 09:28:06,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 09:28:06,432 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-20 09:28:06,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-20 09:28:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 09:28:06,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 09:28:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-20 09:28:06,433 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-20 09:28:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_read_buffer_lock_of_lego_usb_tower [2022-11-20 09:28:06,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_read_buffer_lock_of_lego_usb_tower [2022-11-20 09:28:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 09:28:06,433 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 09:28:06,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-20 09:28:06,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-20 09:28:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure tower_delete [2022-11-20 09:28:06,434 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_delete [2022-11-20 09:28:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 09:28:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 09:28:06,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 09:28:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 09:28:06,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 09:28:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 09:28:06,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 09:28:06,434 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-20 09:28:06,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-20 09:28:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 09:28:06,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 09:28:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 09:28:06,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 09:28:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure tower_check_for_read_packet [2022-11-20 09:28:06,435 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_check_for_read_packet [2022-11-20 09:28:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:28:06,435 INFO L130 BoogieDeclarations]: Found specification of procedure tower_abort_transfers [2022-11-20 09:28:06,435 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_abort_transfers [2022-11-20 09:28:06,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_111 [2022-11-20 09:28:06,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_111 [2022-11-20 09:28:07,042 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:28:07,046 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:28:07,252 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 09:28:10,749 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:28:10,774 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:28:10,783 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:28:10,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:28:10 BoogieIcfgContainer [2022-11-20 09:28:10,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:28:10,793 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:28:10,793 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:28:10,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:28:10,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:28:02" (1/3) ... [2022-11-20 09:28:10,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f607f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:28:10, skipping insertion in model container [2022-11-20 09:28:10,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:05" (2/3) ... [2022-11-20 09:28:10,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f607f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:28:10, skipping insertion in model container [2022-11-20 09:28:10,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:28:10" (3/3) ... [2022-11-20 09:28:10,805 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2022-11-20 09:28:10,829 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:28:10,829 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-20 09:28:10,940 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:28:10,949 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@770710d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:28:10,952 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-20 09:28:10,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 986 states, 640 states have (on average 1.2828125) internal successors, (821), 685 states have internal predecessors, (821), 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) [2022-11-20 09:28:10,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 09:28:10,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:10,983 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:28:10,985 INFO L420 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)] === [2022-11-20 09:28:10,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:10,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1422195215, now seen corresponding path program 1 times [2022-11-20 09:28:11,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:11,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817663141] [2022-11-20 09:28:11,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:11,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:11,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:12,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:28:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:12,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:28:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:28:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:12,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:28:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:12,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:28:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:12,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:28:12,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:12,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:28:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:12,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:12,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:28:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:12,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:28:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:12,212 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:28:12,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:12,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817663141] [2022-11-20 09:28:12,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817663141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:12,213 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:12,214 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:28:12,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095190989] [2022-11-20 09:28:12,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:12,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:28:12,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:12,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:28:12,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:28:12,304 INFO L87 Difference]: Start difference. First operand has 986 states, 640 states have (on average 1.2828125) internal successors, (821), 685 states have internal predecessors, (821), 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) [2022-11-20 09:28:15,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:15,849 INFO L93 Difference]: Finished difference Result 1923 states and 2622 transitions. [2022-11-20 09:28:15,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:28:15,852 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 [2022-11-20 09:28:15,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:15,886 INFO L225 Difference]: With dead ends: 1923 [2022-11-20 09:28:15,889 INFO L226 Difference]: Without dead ends: 968 [2022-11-20 09:28:15,901 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:28:15,905 INFO L413 NwaCegarLoop]: 819 mSDtfsCounter, 1640 mSDsluCounter, 1505 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 670 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1818 SdHoareTripleChecker+Valid, 2324 SdHoareTripleChecker+Invalid, 2118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 670 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:15,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1818 Valid, 2324 Invalid, 2118 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [670 Valid, 1448 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-20 09:28:15,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2022-11-20 09:28:16,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 968. [2022-11-20 09:28:16,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 630 states have (on average 1.226984126984127) internal successors, (773), 670 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) [2022-11-20 09:28:16,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1241 transitions. [2022-11-20 09:28:16,105 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1241 transitions. Word has length 71 [2022-11-20 09:28:16,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:16,107 INFO L495 AbstractCegarLoop]: Abstraction has 968 states and 1241 transitions. [2022-11-20 09:28:16,108 INFO L496 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) [2022-11-20 09:28:16,108 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1241 transitions. [2022-11-20 09:28:16,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-20 09:28:16,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:16,112 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:28:16,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:28:16,112 INFO L420 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)] === [2022-11-20 09:28:16,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:16,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1990155866, now seen corresponding path program 1 times [2022-11-20 09:28:16,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:16,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187215576] [2022-11-20 09:28:16,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:16,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:16,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:28:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:16,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:28:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:16,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:28:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:16,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:28:16,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:16,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:28:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:16,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:28:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:16,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:28:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:16,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:16,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:28:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:16,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:28:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:16,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:28:16,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:16,777 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:28:16,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:16,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187215576] [2022-11-20 09:28:16,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187215576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:16,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:16,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:28:16,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136169114] [2022-11-20 09:28:16,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:16,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:28:16,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:16,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:28:16,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:28:16,782 INFO L87 Difference]: Start difference. First operand 968 states and 1241 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) [2022-11-20 09:28:19,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:19,709 INFO L93 Difference]: Finished difference Result 968 states and 1241 transitions. [2022-11-20 09:28:19,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:28:19,710 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 [2022-11-20 09:28:19,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:19,715 INFO L225 Difference]: With dead ends: 968 [2022-11-20 09:28:19,715 INFO L226 Difference]: Without dead ends: 966 [2022-11-20 09:28:19,716 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:28:19,717 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1606 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1781 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:19,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1781 Valid, 2292 Invalid, 2086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1426 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-20 09:28:19,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2022-11-20 09:28:19,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 966. [2022-11-20 09:28:19,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 966 states, 629 states have (on average 1.2257551669316376) internal successors, (771), 668 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) [2022-11-20 09:28:19,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1239 transitions. [2022-11-20 09:28:19,790 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1239 transitions. Word has length 77 [2022-11-20 09:28:19,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:19,791 INFO L495 AbstractCegarLoop]: Abstraction has 966 states and 1239 transitions. [2022-11-20 09:28:19,791 INFO L496 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) [2022-11-20 09:28:19,791 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1239 transitions. [2022-11-20 09:28:19,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-20 09:28:19,794 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:19,794 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:28:19,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:28:19,795 INFO L420 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)] === [2022-11-20 09:28:19,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:19,795 INFO L85 PathProgramCache]: Analyzing trace with hash -2061038140, now seen corresponding path program 1 times [2022-11-20 09:28:19,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:19,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446306697] [2022-11-20 09:28:19,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:19,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:20,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:28:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:20,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:28:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:20,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:28:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:20,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:28:20,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:20,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:28:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:20,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:28:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:20,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:28:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:20,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:20,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:28:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:20,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:28:20,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:20,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:28:20,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:20,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:28:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:20,287 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:28:20,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:20,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446306697] [2022-11-20 09:28:20,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446306697] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:20,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:20,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:28:20,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500887907] [2022-11-20 09:28:20,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:20,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:28:20,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:20,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:28:20,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:28:20,292 INFO L87 Difference]: Start difference. First operand 966 states and 1239 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) [2022-11-20 09:28:23,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:23,758 INFO L93 Difference]: Finished difference Result 966 states and 1239 transitions. [2022-11-20 09:28:23,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:28:23,759 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 [2022-11-20 09:28:23,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:23,765 INFO L225 Difference]: With dead ends: 966 [2022-11-20 09:28:23,765 INFO L226 Difference]: Without dead ends: 964 [2022-11-20 09:28:23,766 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:28:23,767 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1600 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1422 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:23,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1774 Valid, 2292 Invalid, 2082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1422 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-20 09:28:23,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2022-11-20 09:28:23,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2022-11-20 09:28:23,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 628 states have (on average 1.2245222929936306) internal successors, (769), 666 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) [2022-11-20 09:28:23,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1237 transitions. [2022-11-20 09:28:23,848 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1237 transitions. Word has length 83 [2022-11-20 09:28:23,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:23,850 INFO L495 AbstractCegarLoop]: Abstraction has 964 states and 1237 transitions. [2022-11-20 09:28:23,850 INFO L496 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) [2022-11-20 09:28:23,850 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1237 transitions. [2022-11-20 09:28:23,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-20 09:28:23,857 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:23,857 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:28:23,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 09:28:23,858 INFO L420 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)] === [2022-11-20 09:28:23,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:23,858 INFO L85 PathProgramCache]: Analyzing trace with hash -211055885, now seen corresponding path program 1 times [2022-11-20 09:28:23,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:23,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077187166] [2022-11-20 09:28:23,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:23,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:24,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:28:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:24,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:28:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:24,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:28:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:24,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:28:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:24,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:28:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:24,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:28:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:24,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:28:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:24,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:24,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:28:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:24,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:28:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:24,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:28:24,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:24,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:28:24,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:24,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:28:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:24,347 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:28:24,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:24,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077187166] [2022-11-20 09:28:24,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077187166] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:24,348 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:24,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:28:24,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785556660] [2022-11-20 09:28:24,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:24,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:28:24,350 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:24,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:28:24,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:28:24,351 INFO L87 Difference]: Start difference. First operand 964 states and 1237 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) [2022-11-20 09:28:27,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:27,256 INFO L93 Difference]: Finished difference Result 964 states and 1237 transitions. [2022-11-20 09:28:27,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:28:27,264 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 [2022-11-20 09:28:27,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:27,274 INFO L225 Difference]: With dead ends: 964 [2022-11-20 09:28:27,275 INFO L226 Difference]: Without dead ends: 962 [2022-11-20 09:28:27,276 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:28:27,278 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1594 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1418 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1767 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:27,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1767 Valid, 2292 Invalid, 2078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1418 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-20 09:28:27,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2022-11-20 09:28:27,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 962. [2022-11-20 09:28:27,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 627 states have (on average 1.223285486443381) internal successors, (767), 664 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) [2022-11-20 09:28:27,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1235 transitions. [2022-11-20 09:28:27,373 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1235 transitions. Word has length 89 [2022-11-20 09:28:27,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:27,374 INFO L495 AbstractCegarLoop]: Abstraction has 962 states and 1235 transitions. [2022-11-20 09:28:27,374 INFO L496 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) [2022-11-20 09:28:27,374 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1235 transitions. [2022-11-20 09:28:27,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-20 09:28:27,375 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:27,376 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:28:27,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 09:28:27,376 INFO L420 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)] === [2022-11-20 09:28:27,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:27,377 INFO L85 PathProgramCache]: Analyzing trace with hash 815307314, now seen corresponding path program 1 times [2022-11-20 09:28:27,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:27,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915507490] [2022-11-20 09:28:27,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:27,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:27,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:28:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:27,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:28:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:27,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:28:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:27,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:28:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:27,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:28:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:27,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:28:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:27,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:28:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:27,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:27,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:28:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:27,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:28:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:27,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:28:27,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:27,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:28:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:27,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:28:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:27,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 09:28:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:27,741 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:28:27,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:27,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915507490] [2022-11-20 09:28:27,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915507490] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:27,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:27,742 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:28:27,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556804157] [2022-11-20 09:28:27,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:27,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:28:27,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:27,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:28:27,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:28:27,744 INFO L87 Difference]: Start difference. First operand 962 states and 1235 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) [2022-11-20 09:28:30,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:30,947 INFO L93 Difference]: Finished difference Result 962 states and 1235 transitions. [2022-11-20 09:28:30,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:28:30,948 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 [2022-11-20 09:28:30,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:30,953 INFO L225 Difference]: With dead ends: 962 [2022-11-20 09:28:30,953 INFO L226 Difference]: Without dead ends: 960 [2022-11-20 09:28:30,954 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:28:30,954 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1588 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1414 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:30,955 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 2292 Invalid, 2074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1414 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-20 09:28:30,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2022-11-20 09:28:31,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 960. [2022-11-20 09:28:31,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 626 states have (on average 1.2220447284345048) internal successors, (765), 662 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) [2022-11-20 09:28:31,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1233 transitions. [2022-11-20 09:28:31,030 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1233 transitions. Word has length 95 [2022-11-20 09:28:31,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:31,031 INFO L495 AbstractCegarLoop]: Abstraction has 960 states and 1233 transitions. [2022-11-20 09:28:31,031 INFO L496 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) [2022-11-20 09:28:31,032 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1233 transitions. [2022-11-20 09:28:31,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-20 09:28:31,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:31,038 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:28:31,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 09:28:31,038 INFO L420 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)] === [2022-11-20 09:28:31,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:31,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1270479710, now seen corresponding path program 1 times [2022-11-20 09:28:31,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:31,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040143439] [2022-11-20 09:28:31,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:31,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:31,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:28:31,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:31,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:28:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:31,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:28:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:31,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:28:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:31,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:28:31,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:31,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:28:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:31,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:28:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:31,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:31,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:28:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:31,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:28:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:31,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:28:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:31,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:28:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:31,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:28:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:31,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 09:28:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:31,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 09:28:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:31,448 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:28:31,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:31,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040143439] [2022-11-20 09:28:31,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040143439] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:31,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:31,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:28:31,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024731070] [2022-11-20 09:28:31,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:31,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:28:31,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:31,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:28:31,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:28:31,451 INFO L87 Difference]: Start difference. First operand 960 states and 1233 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) [2022-11-20 09:28:34,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:34,176 INFO L93 Difference]: Finished difference Result 960 states and 1233 transitions. [2022-11-20 09:28:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:28:34,177 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 [2022-11-20 09:28:34,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:34,182 INFO L225 Difference]: With dead ends: 960 [2022-11-20 09:28:34,182 INFO L226 Difference]: Without dead ends: 958 [2022-11-20 09:28:34,183 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:28:34,184 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1582 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1753 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:34,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1753 Valid, 2292 Invalid, 2070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-20 09:28:34,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2022-11-20 09:28:34,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 958. [2022-11-20 09:28:34,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 625 states have (on average 1.2208) internal successors, (763), 660 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) [2022-11-20 09:28:34,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1231 transitions. [2022-11-20 09:28:34,263 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1231 transitions. Word has length 101 [2022-11-20 09:28:34,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:34,263 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 1231 transitions. [2022-11-20 09:28:34,264 INFO L496 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) [2022-11-20 09:28:34,264 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1231 transitions. [2022-11-20 09:28:34,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-20 09:28:34,265 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:34,265 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:28:34,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 09:28:34,267 INFO L420 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)] === [2022-11-20 09:28:34,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:34,268 INFO L85 PathProgramCache]: Analyzing trace with hash 822566930, now seen corresponding path program 1 times [2022-11-20 09:28:34,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:34,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008171551] [2022-11-20 09:28:34,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:34,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:34,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:34,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:28:34,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:34,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:28:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:34,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:28:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:34,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:28:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:34,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:28:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:34,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:28:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:34,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:28:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:34,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:34,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:28:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:34,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:28:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:34,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:28:34,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:34,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:28:34,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:34,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:28:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:34,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 09:28:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:34,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 09:28:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:34,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 09:28:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:34,725 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:28:34,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:34,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008171551] [2022-11-20 09:28:34,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008171551] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:34,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:34,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:28:34,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467118597] [2022-11-20 09:28:34,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:34,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:28:34,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:34,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:28:34,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:28:34,728 INFO L87 Difference]: Start difference. First operand 958 states and 1231 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) [2022-11-20 09:28:37,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:37,507 INFO L93 Difference]: Finished difference Result 958 states and 1231 transitions. [2022-11-20 09:28:37,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:28:37,508 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 [2022-11-20 09:28:37,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:37,515 INFO L225 Difference]: With dead ends: 958 [2022-11-20 09:28:37,515 INFO L226 Difference]: Without dead ends: 956 [2022-11-20 09:28:37,516 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:28:37,516 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1576 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1746 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:37,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1746 Valid, 2292 Invalid, 2066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-20 09:28:37,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2022-11-20 09:28:37,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 956. [2022-11-20 09:28:37,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 624 states have (on average 1.2195512820512822) internal successors, (761), 658 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) [2022-11-20 09:28:37,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1229 transitions. [2022-11-20 09:28:37,599 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1229 transitions. Word has length 107 [2022-11-20 09:28:37,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:37,600 INFO L495 AbstractCegarLoop]: Abstraction has 956 states and 1229 transitions. [2022-11-20 09:28:37,600 INFO L496 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) [2022-11-20 09:28:37,600 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1229 transitions. [2022-11-20 09:28:37,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-20 09:28:37,603 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:37,603 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:28:37,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 09:28:37,604 INFO L420 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)] === [2022-11-20 09:28:37,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:37,604 INFO L85 PathProgramCache]: Analyzing trace with hash 579746993, now seen corresponding path program 1 times [2022-11-20 09:28:37,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:37,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884459770] [2022-11-20 09:28:37,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:37,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:37,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:28:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:37,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:28:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:37,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:28:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:37,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:28:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:37,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:28:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:37,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:28:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:37,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:28:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:37,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:37,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:28:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:37,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:28:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:37,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:28:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:37,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:28:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:37,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:28:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:38,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 09:28:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:38,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 09:28:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:38,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 09:28:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:38,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:28:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:38,037 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:28:38,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:38,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884459770] [2022-11-20 09:28:38,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884459770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:38,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:38,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:28:38,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256623974] [2022-11-20 09:28:38,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:38,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:28:38,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:38,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:28:38,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:28:38,040 INFO L87 Difference]: Start difference. First operand 956 states and 1229 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) [2022-11-20 09:28:40,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:40,939 INFO L93 Difference]: Finished difference Result 956 states and 1229 transitions. [2022-11-20 09:28:40,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:28:40,940 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 [2022-11-20 09:28:40,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:40,945 INFO L225 Difference]: With dead ends: 956 [2022-11-20 09:28:40,945 INFO L226 Difference]: Without dead ends: 954 [2022-11-20 09:28:40,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:28:40,950 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1574 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1743 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:40,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1743 Valid, 2292 Invalid, 2058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-20 09:28:40,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2022-11-20 09:28:41,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 954. [2022-11-20 09:28:41,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 623 states have (on average 1.218298555377207) internal successors, (759), 656 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) [2022-11-20 09:28:41,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1227 transitions. [2022-11-20 09:28:41,041 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1227 transitions. Word has length 113 [2022-11-20 09:28:41,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:41,042 INFO L495 AbstractCegarLoop]: Abstraction has 954 states and 1227 transitions. [2022-11-20 09:28:41,042 INFO L496 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) [2022-11-20 09:28:41,042 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1227 transitions. [2022-11-20 09:28:41,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-20 09:28:41,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:41,045 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:28:41,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-20 09:28:41,045 INFO L420 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)] === [2022-11-20 09:28:41,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:41,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1208753388, now seen corresponding path program 1 times [2022-11-20 09:28:41,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:41,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689433510] [2022-11-20 09:28:41,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:41,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:41,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:28:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:41,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:28:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:41,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:28:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:41,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:28:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:41,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:28:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:41,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:28:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:41,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:28:41,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:41,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:41,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:41,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:28:41,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:41,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:28:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:41,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:28:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:41,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:28:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:41,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:28:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:41,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 09:28:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:41,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 09:28:41,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:41,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 09:28:41,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:41,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:28:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:41,472 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:28:41,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:41,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689433510] [2022-11-20 09:28:41,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689433510] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:41,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:41,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:28:41,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915825134] [2022-11-20 09:28:41,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:41,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:28:41,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:41,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:28:41,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:28:41,476 INFO L87 Difference]: Start difference. First operand 954 states and 1227 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) [2022-11-20 09:28:44,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:44,276 INFO L93 Difference]: Finished difference Result 954 states and 1227 transitions. [2022-11-20 09:28:44,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:28:44,277 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 [2022-11-20 09:28:44,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:44,284 INFO L225 Difference]: With dead ends: 954 [2022-11-20 09:28:44,284 INFO L226 Difference]: Without dead ends: 952 [2022-11-20 09:28:44,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:28:44,287 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1562 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1731 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:44,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1731 Valid, 2292 Invalid, 2058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-20 09:28:44,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2022-11-20 09:28:44,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 952. [2022-11-20 09:28:44,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 622 states have (on average 1.2170418006430868) internal successors, (757), 654 states have internal predecessors, (757), 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) [2022-11-20 09:28:44,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1225 transitions. [2022-11-20 09:28:44,406 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1225 transitions. Word has length 115 [2022-11-20 09:28:44,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:44,407 INFO L495 AbstractCegarLoop]: Abstraction has 952 states and 1225 transitions. [2022-11-20 09:28:44,407 INFO L496 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) [2022-11-20 09:28:44,407 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1225 transitions. [2022-11-20 09:28:44,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-20 09:28:44,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:44,410 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:28:44,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-20 09:28:44,410 INFO L420 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)] === [2022-11-20 09:28:44,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:44,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1762888219, now seen corresponding path program 1 times [2022-11-20 09:28:44,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:44,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428277481] [2022-11-20 09:28:44,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:44,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:28:44,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:28:44,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:28:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:28:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:28:44,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:28:44,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:28:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:28:44,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:28:44,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:28:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:28:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:28:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 09:28:44,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 09:28:44,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 09:28:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:28:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 09:28:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:44,837 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:28:44,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:44,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428277481] [2022-11-20 09:28:44,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428277481] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:44,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:44,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:28:44,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953238853] [2022-11-20 09:28:44,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:44,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:28:44,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:44,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:28:44,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:28:44,840 INFO L87 Difference]: Start difference. First operand 952 states and 1225 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) [2022-11-20 09:28:47,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:47,480 INFO L93 Difference]: Finished difference Result 952 states and 1225 transitions. [2022-11-20 09:28:47,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:28:47,481 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 [2022-11-20 09:28:47,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:47,487 INFO L225 Difference]: With dead ends: 952 [2022-11-20 09:28:47,487 INFO L226 Difference]: Without dead ends: 950 [2022-11-20 09:28:47,488 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:28:47,488 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1558 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1394 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1726 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:47,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1726 Valid, 2292 Invalid, 2054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1394 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-20 09:28:47,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2022-11-20 09:28:47,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 950. [2022-11-20 09:28:47,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 621 states have (on average 1.2157809983896941) internal successors, (755), 652 states have internal predecessors, (755), 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) [2022-11-20 09:28:47,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1223 transitions. [2022-11-20 09:28:47,583 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1223 transitions. Word has length 121 [2022-11-20 09:28:47,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:47,584 INFO L495 AbstractCegarLoop]: Abstraction has 950 states and 1223 transitions. [2022-11-20 09:28:47,584 INFO L496 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) [2022-11-20 09:28:47,585 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1223 transitions. [2022-11-20 09:28:47,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-20 09:28:47,587 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:47,587 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:28:47,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-20 09:28:47,587 INFO L420 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)] === [2022-11-20 09:28:47,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:47,588 INFO L85 PathProgramCache]: Analyzing trace with hash 471171600, now seen corresponding path program 1 times [2022-11-20 09:28:47,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:47,588 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112234285] [2022-11-20 09:28:47,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:47,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:28:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:28:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:28:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:28:48,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:28:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:48,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:28:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:28:48,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 09:28:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:28:48,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:28:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 09:28:48,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:28:48,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:28:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 09:28:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:28:48,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:28:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 09:28:48,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:28:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:28:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 09:28:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 09:28:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-20 09:28:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:48,566 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-11-20 09:28:48,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:48,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112234285] [2022-11-20 09:28:48,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112234285] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:48,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:48,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 09:28:48,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9244704] [2022-11-20 09:28:48,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:48,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:28:48,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:48,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:28:48,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:28:48,569 INFO L87 Difference]: Start difference. First operand 950 states and 1223 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) [2022-11-20 09:28:53,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:53,997 INFO L93 Difference]: Finished difference Result 1874 states and 2419 transitions. [2022-11-20 09:28:53,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 09:28:53,998 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 [2022-11-20 09:28:53,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:54,008 INFO L225 Difference]: With dead ends: 1874 [2022-11-20 09:28:54,009 INFO L226 Difference]: Without dead ends: 963 [2022-11-20 09:28:54,012 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:28:54,013 INFO L413 NwaCegarLoop]: 810 mSDtfsCounter, 1886 mSDsluCounter, 2964 mSDsCounter, 0 mSdLazyCounter, 3030 mSolverCounterSat, 938 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2065 SdHoareTripleChecker+Valid, 3774 SdHoareTripleChecker+Invalid, 3968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 938 IncrementalHoareTripleChecker+Valid, 3030 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:54,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2065 Valid, 3774 Invalid, 3968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [938 Valid, 3030 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-20 09:28:54,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-11-20 09:28:54,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 950. [2022-11-20 09:28:54,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 621 states have (on average 1.214170692431562) internal successors, (754), 652 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) [2022-11-20 09:28:54,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1222 transitions. [2022-11-20 09:28:54,121 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1222 transitions. Word has length 164 [2022-11-20 09:28:54,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:54,122 INFO L495 AbstractCegarLoop]: Abstraction has 950 states and 1222 transitions. [2022-11-20 09:28:54,123 INFO L496 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) [2022-11-20 09:28:54,123 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1222 transitions. [2022-11-20 09:28:54,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-20 09:28:54,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:54,125 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:28:54,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-20 09:28:54,126 INFO L420 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)] === [2022-11-20 09:28:54,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:54,126 INFO L85 PathProgramCache]: Analyzing trace with hash 471231182, now seen corresponding path program 1 times [2022-11-20 09:28:54,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:54,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216843159] [2022-11-20 09:28:54,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:54,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:28:54,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:28:54,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:28:54,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:28:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:28:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:28:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:28:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 09:28:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:28:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:28:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 09:28:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:28:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:28:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 09:28:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:28:54,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:28:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 09:28:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:28:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:28:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 09:28:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 09:28:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-11-20 09:28:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:54,791 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-11-20 09:28:54,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:54,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216843159] [2022-11-20 09:28:54,792 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216843159] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:54,792 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:54,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 09:28:54,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152766409] [2022-11-20 09:28:54,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:54,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 09:28:54,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:54,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 09:28:54,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:28:54,794 INFO L87 Difference]: Start difference. First operand 950 states and 1222 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) [2022-11-20 09:28:59,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:28:59,386 INFO L93 Difference]: Finished difference Result 963 states and 1243 transitions. [2022-11-20 09:28:59,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 09:28:59,387 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 [2022-11-20 09:28:59,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:28:59,392 INFO L225 Difference]: With dead ends: 963 [2022-11-20 09:28:59,393 INFO L226 Difference]: Without dead ends: 961 [2022-11-20 09:28:59,393 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:28:59,394 INFO L413 NwaCegarLoop]: 809 mSDtfsCounter, 957 mSDsluCounter, 2530 mSDsCounter, 0 mSdLazyCounter, 2229 mSolverCounterSat, 840 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 3339 SdHoareTripleChecker+Invalid, 3069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 840 IncrementalHoareTripleChecker+Valid, 2229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:28:59,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 3339 Invalid, 3069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [840 Valid, 2229 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-11-20 09:28:59,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2022-11-20 09:28:59,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 948. [2022-11-20 09:28:59,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 620 states have (on average 1.2129032258064516) internal successors, (752), 650 states have internal predecessors, (752), 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) [2022-11-20 09:28:59,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1220 transitions. [2022-11-20 09:28:59,496 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1220 transitions. Word has length 164 [2022-11-20 09:28:59,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:28:59,497 INFO L495 AbstractCegarLoop]: Abstraction has 948 states and 1220 transitions. [2022-11-20 09:28:59,497 INFO L496 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) [2022-11-20 09:28:59,497 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1220 transitions. [2022-11-20 09:28:59,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-20 09:28:59,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:28:59,500 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:28:59,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-20 09:28:59,500 INFO L420 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)] === [2022-11-20 09:28:59,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:28:59,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1014501613, now seen corresponding path program 1 times [2022-11-20 09:28:59,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:28:59,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394817474] [2022-11-20 09:28:59,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:28:59,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:28:59,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:28:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:28:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:28:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:28:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:28:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:28:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:28:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:28:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:28:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:28:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:28:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:28:59,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:28:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 09:28:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 09:28:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 09:28:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:28:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 09:28:59,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 09:28:59,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:28:59,942 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:28:59,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:28:59,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394817474] [2022-11-20 09:28:59,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394817474] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:28:59,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:28:59,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:28:59,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419339973] [2022-11-20 09:28:59,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:28:59,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:28:59,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:28:59,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:28:59,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:28:59,946 INFO L87 Difference]: Start difference. First operand 948 states and 1220 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) [2022-11-20 09:29:02,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:02,904 INFO L93 Difference]: Finished difference Result 948 states and 1220 transitions. [2022-11-20 09:29:02,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:29:02,904 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 [2022-11-20 09:29:02,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:02,910 INFO L225 Difference]: With dead ends: 948 [2022-11-20 09:29:02,911 INFO L226 Difference]: Without dead ends: 946 [2022-11-20 09:29:02,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:29:02,912 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1543 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1384 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1710 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:02,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1710 Valid, 2292 Invalid, 2044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1384 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-20 09:29:02,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2022-11-20 09:29:03,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 946. [2022-11-20 09:29:03,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 619 states have (on average 1.2116316639741518) internal successors, (750), 648 states have internal predecessors, (750), 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) [2022-11-20 09:29:03,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1218 transitions. [2022-11-20 09:29:03,026 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1218 transitions. Word has length 127 [2022-11-20 09:29:03,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:03,026 INFO L495 AbstractCegarLoop]: Abstraction has 946 states and 1218 transitions. [2022-11-20 09:29:03,027 INFO L496 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) [2022-11-20 09:29:03,027 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1218 transitions. [2022-11-20 09:29:03,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-11-20 09:29:03,029 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:03,029 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:29:03,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-20 09:29:03,030 INFO L420 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)] === [2022-11-20 09:29:03,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:03,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1543255468, now seen corresponding path program 1 times [2022-11-20 09:29:03,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:03,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984547255] [2022-11-20 09:29:03,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:03,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:29:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:29:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:29:03,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:29:03,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:29:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:03,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 09:29:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:03,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 09:29:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:03,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 09:29:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 09:29:03,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 09:29:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 09:29:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-20 09:29:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:03,534 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-11-20 09:29:03,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:03,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984547255] [2022-11-20 09:29:03,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984547255] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:03,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:03,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:29:03,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098618293] [2022-11-20 09:29:03,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:03,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:29:03,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:03,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:29:03,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:29:03,538 INFO L87 Difference]: Start difference. First operand 946 states and 1218 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) [2022-11-20 09:29:06,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:06,838 INFO L93 Difference]: Finished difference Result 1862 states and 2405 transitions. [2022-11-20 09:29:06,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:29:06,839 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 [2022-11-20 09:29:06,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:06,845 INFO L225 Difference]: With dead ends: 1862 [2022-11-20 09:29:06,846 INFO L226 Difference]: Without dead ends: 955 [2022-11-20 09:29:06,849 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:29:06,849 INFO L413 NwaCegarLoop]: 808 mSDtfsCounter, 1843 mSDsluCounter, 1286 mSDsCounter, 0 mSdLazyCounter, 1026 mSolverCounterSat, 937 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2024 SdHoareTripleChecker+Valid, 2094 SdHoareTripleChecker+Invalid, 1963 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 937 IncrementalHoareTripleChecker+Valid, 1026 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:06,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2024 Valid, 2094 Invalid, 1963 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [937 Valid, 1026 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-20 09:29:06,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2022-11-20 09:29:06,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 942. [2022-11-20 09:29:06,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 616 states have (on average 1.2094155844155845) internal successors, (745), 644 states have internal predecessors, (745), 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) [2022-11-20 09:29:06,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1213 transitions. [2022-11-20 09:29:06,966 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1213 transitions. Word has length 171 [2022-11-20 09:29:06,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:06,969 INFO L495 AbstractCegarLoop]: Abstraction has 942 states and 1213 transitions. [2022-11-20 09:29:06,969 INFO L496 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) [2022-11-20 09:29:06,969 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1213 transitions. [2022-11-20 09:29:06,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-20 09:29:06,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:06,972 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:29:06,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-20 09:29:06,973 INFO L420 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)] === [2022-11-20 09:29:06,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:06,973 INFO L85 PathProgramCache]: Analyzing trace with hash 398089944, now seen corresponding path program 1 times [2022-11-20 09:29:06,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:06,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408224943] [2022-11-20 09:29:06,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:06,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:29:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:29:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:29:07,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:29:07,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:29:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:29:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:29:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:07,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:29:07,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:29:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:29:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:29:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:29:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 09:29:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 09:29:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 09:29:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:29:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 09:29:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 09:29:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 09:29:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:07,385 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:29:07,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:07,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408224943] [2022-11-20 09:29:07,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408224943] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:07,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:07,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:29:07,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235829964] [2022-11-20 09:29:07,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:07,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:29:07,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:07,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:29:07,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:29:07,389 INFO L87 Difference]: Start difference. First operand 942 states and 1213 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) [2022-11-20 09:29:10,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:10,313 INFO L93 Difference]: Finished difference Result 942 states and 1213 transitions. [2022-11-20 09:29:10,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:29:10,313 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 [2022-11-20 09:29:10,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:10,319 INFO L225 Difference]: With dead ends: 942 [2022-11-20 09:29:10,319 INFO L226 Difference]: Without dead ends: 940 [2022-11-20 09:29:10,320 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:29:10,321 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1522 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:10,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 2292 Invalid, 2030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-20 09:29:10,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2022-11-20 09:29:10,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 940. [2022-11-20 09:29:10,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 615 states have (on average 1.2081300813008131) internal successors, (743), 642 states have internal predecessors, (743), 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) [2022-11-20 09:29:10,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1211 transitions. [2022-11-20 09:29:10,443 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1211 transitions. Word has length 133 [2022-11-20 09:29:10,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:10,444 INFO L495 AbstractCegarLoop]: Abstraction has 940 states and 1211 transitions. [2022-11-20 09:29:10,444 INFO L496 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) [2022-11-20 09:29:10,444 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1211 transitions. [2022-11-20 09:29:10,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-11-20 09:29:10,447 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:10,447 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:29:10,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-20 09:29:10,448 INFO L420 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)] === [2022-11-20 09:29:10,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:10,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1553798807, now seen corresponding path program 1 times [2022-11-20 09:29:10,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:10,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771350020] [2022-11-20 09:29:10,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:10,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:29:11,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:29:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:29:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:29:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:29:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:29:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:29:11,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:29:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:29:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 09:29:11,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 09:29:11,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-20 09:29:11,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:11,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:11,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 09:29:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:29:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 09:29:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 09:29:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-11-20 09:29:11,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:11,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771350020] [2022-11-20 09:29:11,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771350020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:11,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:11,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 09:29:11,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444463057] [2022-11-20 09:29:11,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:11,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:29:11,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:11,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:29:11,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:29:11,371 INFO L87 Difference]: Start difference. First operand 940 states and 1211 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) [2022-11-20 09:29:17,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:17,340 INFO L93 Difference]: Finished difference Result 1898 states and 2483 transitions. [2022-11-20 09:29:17,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 09:29:17,340 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 [2022-11-20 09:29:17,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:17,348 INFO L225 Difference]: With dead ends: 1898 [2022-11-20 09:29:17,348 INFO L226 Difference]: Without dead ends: 1232 [2022-11-20 09:29:17,350 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:29:17,351 INFO L413 NwaCegarLoop]: 934 mSDtfsCounter, 1412 mSDsluCounter, 3916 mSDsCounter, 0 mSdLazyCounter, 3876 mSolverCounterSat, 1225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1412 SdHoareTripleChecker+Valid, 4850 SdHoareTripleChecker+Invalid, 5101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1225 IncrementalHoareTripleChecker+Valid, 3876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:17,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1412 Valid, 4850 Invalid, 5101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1225 Valid, 3876 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-11-20 09:29:17,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2022-11-20 09:29:17,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 945. [2022-11-20 09:29:17,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 619 states have (on average 1.2067851373182552) internal successors, (747), 646 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) [2022-11-20 09:29:17,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1218 transitions. [2022-11-20 09:29:17,490 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1218 transitions. Word has length 167 [2022-11-20 09:29:17,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:17,491 INFO L495 AbstractCegarLoop]: Abstraction has 945 states and 1218 transitions. [2022-11-20 09:29:17,491 INFO L496 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) [2022-11-20 09:29:17,491 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1218 transitions. [2022-11-20 09:29:17,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-20 09:29:17,493 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:17,493 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:29:17,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-20 09:29:17,494 INFO L420 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)] === [2022-11-20 09:29:17,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:17,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1337022155, now seen corresponding path program 1 times [2022-11-20 09:29:17,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:17,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433360259] [2022-11-20 09:29:17,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:17,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:17,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:29:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:17,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:29:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:17,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:29:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:17,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:29:17,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:17,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:29:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:17,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:29:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:17,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:29:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:17,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:17,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:29:17,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:29:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:17,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:29:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:17,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:29:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:17,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:29:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:17,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 09:29:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:17,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 09:29:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:17,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 09:29:17,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:17,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:29:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:18,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 09:29:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:18,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 09:29:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:18,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 09:29:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:18,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-20 09:29:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:18,065 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:29:18,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:18,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433360259] [2022-11-20 09:29:18,066 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433360259] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:18,066 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:18,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:29:18,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741607364] [2022-11-20 09:29:18,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:18,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:29:18,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:18,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:29:18,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:29:18,068 INFO L87 Difference]: Start difference. First operand 945 states and 1218 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) [2022-11-20 09:29:21,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:21,563 INFO L93 Difference]: Finished difference Result 945 states and 1218 transitions. [2022-11-20 09:29:21,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:29:21,564 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 [2022-11-20 09:29:21,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:21,570 INFO L225 Difference]: With dead ends: 945 [2022-11-20 09:29:21,570 INFO L226 Difference]: Without dead ends: 943 [2022-11-20 09:29:21,571 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:29:21,572 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1516 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1366 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1681 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:21,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1681 Valid, 2292 Invalid, 2026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1366 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-20 09:29:21,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2022-11-20 09:29:21,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 943. [2022-11-20 09:29:21,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 618 states have (on average 1.2055016181229774) internal successors, (745), 644 states have internal predecessors, (745), 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) [2022-11-20 09:29:21,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1216 transitions. [2022-11-20 09:29:21,775 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1216 transitions. Word has length 139 [2022-11-20 09:29:21,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:21,776 INFO L495 AbstractCegarLoop]: Abstraction has 943 states and 1216 transitions. [2022-11-20 09:29:21,776 INFO L496 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) [2022-11-20 09:29:21,776 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1216 transitions. [2022-11-20 09:29:21,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-20 09:29:21,779 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:21,780 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:29:21,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-20 09:29:21,780 INFO L420 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)] === [2022-11-20 09:29:21,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:21,781 INFO L85 PathProgramCache]: Analyzing trace with hash 291761190, now seen corresponding path program 1 times [2022-11-20 09:29:21,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:21,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853567031] [2022-11-20 09:29:21,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:21,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:29:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:29:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:29:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:29:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:29:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:29:22,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:29:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:29:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:29:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:29:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:29:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:29:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 09:29:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 09:29:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 09:29:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:29:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 09:29:22,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 09:29:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 09:29:22,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-20 09:29:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:29:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:22,304 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:29:22,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:22,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853567031] [2022-11-20 09:29:22,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853567031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:22,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:22,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:29:22,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593426660] [2022-11-20 09:29:22,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:22,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:29:22,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:22,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:29:22,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:29:22,308 INFO L87 Difference]: Start difference. First operand 943 states and 1216 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) [2022-11-20 09:29:24,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:24,894 INFO L93 Difference]: Finished difference Result 943 states and 1216 transitions. [2022-11-20 09:29:24,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:29:24,895 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 [2022-11-20 09:29:24,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:24,899 INFO L225 Difference]: With dead ends: 943 [2022-11-20 09:29:24,899 INFO L226 Difference]: Without dead ends: 941 [2022-11-20 09:29:24,900 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:29:24,900 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1510 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1674 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:24,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1674 Valid, 2292 Invalid, 2022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-20 09:29:24,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2022-11-20 09:29:25,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 941. [2022-11-20 09:29:25,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 941 states, 617 states have (on average 1.2042139384116695) internal successors, (743), 642 states have internal predecessors, (743), 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) [2022-11-20 09:29:25,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1214 transitions. [2022-11-20 09:29:25,025 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1214 transitions. Word has length 145 [2022-11-20 09:29:25,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:25,026 INFO L495 AbstractCegarLoop]: Abstraction has 941 states and 1214 transitions. [2022-11-20 09:29:25,026 INFO L496 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) [2022-11-20 09:29:25,026 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1214 transitions. [2022-11-20 09:29:25,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-20 09:29:25,029 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:25,029 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:29:25,029 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-20 09:29:25,030 INFO L420 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)] === [2022-11-20 09:29:25,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:25,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1482677209, now seen corresponding path program 1 times [2022-11-20 09:29:25,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:25,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144407630] [2022-11-20 09:29:25,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:25,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:29:25,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:29:25,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:29:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:29:25,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:29:25,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:29:25,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:29:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:29:25,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:29:25,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 09:29:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 09:29:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:25,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-20 09:29:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 09:29:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:29:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 09:29:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 09:29:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:29:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:29:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:29:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:25,961 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2022-11-20 09:29:25,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:25,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144407630] [2022-11-20 09:29:25,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144407630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:25,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:25,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 09:29:25,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216771326] [2022-11-20 09:29:25,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:25,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 09:29:25,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:25,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 09:29:25,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:29:25,968 INFO L87 Difference]: Start difference. First operand 941 states and 1214 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) [2022-11-20 09:29:30,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:30,124 INFO L93 Difference]: Finished difference Result 1054 states and 1333 transitions. [2022-11-20 09:29:30,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 09:29:30,124 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 [2022-11-20 09:29:30,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:30,130 INFO L225 Difference]: With dead ends: 1054 [2022-11-20 09:29:30,131 INFO L226 Difference]: Without dead ends: 1052 [2022-11-20 09:29:30,131 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:29:30,132 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1868 mSDsluCounter, 2593 mSDsCounter, 0 mSdLazyCounter, 2458 mSolverCounterSat, 1002 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2022 SdHoareTripleChecker+Valid, 3400 SdHoareTripleChecker+Invalid, 3460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1002 IncrementalHoareTripleChecker+Valid, 2458 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:30,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2022 Valid, 3400 Invalid, 3460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1002 Valid, 2458 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-20 09:29:30,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-11-20 09:29:30,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1035. [2022-11-20 09:29:30,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 680 states have (on average 1.2) internal successors, (816), 705 states have internal predecessors, (816), 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) [2022-11-20 09:29:30,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1311 transitions. [2022-11-20 09:29:30,265 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1311 transitions. Word has length 183 [2022-11-20 09:29:30,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:30,266 INFO L495 AbstractCegarLoop]: Abstraction has 1035 states and 1311 transitions. [2022-11-20 09:29:30,266 INFO L496 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) [2022-11-20 09:29:30,266 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1311 transitions. [2022-11-20 09:29:30,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-11-20 09:29:30,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:30,269 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:29:30,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-20 09:29:30,270 INFO L420 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)] === [2022-11-20 09:29:30,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:30,270 INFO L85 PathProgramCache]: Analyzing trace with hash 88459607, now seen corresponding path program 1 times [2022-11-20 09:29:30,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:30,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578365552] [2022-11-20 09:29:30,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:30,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:29:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:29:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:29:30,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:29:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:29:30,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:29:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:29:30,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:29:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:29:30,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:29:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:29:30,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:29:30,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 09:29:30,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 09:29:30,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 09:29:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:29:30,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 09:29:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 09:29:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 09:29:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-20 09:29:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:29:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 09:29:30,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:30,752 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:29:30,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:30,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578365552] [2022-11-20 09:29:30,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578365552] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:30,753 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:30,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:29:30,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394949993] [2022-11-20 09:29:30,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:30,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:29:30,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:30,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:29:30,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:29:30,755 INFO L87 Difference]: Start difference. First operand 1035 states and 1311 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) [2022-11-20 09:29:33,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:33,611 INFO L93 Difference]: Finished difference Result 1035 states and 1311 transitions. [2022-11-20 09:29:33,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:29:33,611 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 [2022-11-20 09:29:33,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:33,616 INFO L225 Difference]: With dead ends: 1035 [2022-11-20 09:29:33,616 INFO L226 Difference]: Without dead ends: 1033 [2022-11-20 09:29:33,617 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:29:33,618 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1504 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1667 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:33,618 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1667 Valid, 2292 Invalid, 2018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-20 09:29:33,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2022-11-20 09:29:33,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1033. [2022-11-20 09:29:33,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 679 states have (on average 1.198821796759941) internal successors, (814), 703 states have internal predecessors, (814), 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) [2022-11-20 09:29:33,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1309 transitions. [2022-11-20 09:29:33,808 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1309 transitions. Word has length 151 [2022-11-20 09:29:33,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:33,808 INFO L495 AbstractCegarLoop]: Abstraction has 1033 states and 1309 transitions. [2022-11-20 09:29:33,809 INFO L496 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) [2022-11-20 09:29:33,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1309 transitions. [2022-11-20 09:29:33,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-11-20 09:29:33,812 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:33,812 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:29:33,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-20 09:29:33,813 INFO L420 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)] === [2022-11-20 09:29:33,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:33,813 INFO L85 PathProgramCache]: Analyzing trace with hash 870017022, now seen corresponding path program 1 times [2022-11-20 09:29:33,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:33,814 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621232366] [2022-11-20 09:29:33,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:33,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:33,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:29:34,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:29:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:29:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:29:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:29:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:34,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 09:29:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 09:29:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:34,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:34,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 09:29:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:34,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 09:29:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 09:29:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 09:29:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-20 09:29:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:29:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:29:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 09:29:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:34,236 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-11-20 09:29:34,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:34,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621232366] [2022-11-20 09:29:34,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621232366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:34,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:34,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:29:34,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776214979] [2022-11-20 09:29:34,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:34,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:29:34,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:34,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:29:34,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:29:34,240 INFO L87 Difference]: Start difference. First operand 1033 states and 1309 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) [2022-11-20 09:29:37,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:37,497 INFO L93 Difference]: Finished difference Result 1941 states and 2441 transitions. [2022-11-20 09:29:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:29:37,498 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 [2022-11-20 09:29:37,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:37,504 INFO L225 Difference]: With dead ends: 1941 [2022-11-20 09:29:37,504 INFO L226 Difference]: Without dead ends: 1040 [2022-11-20 09:29:37,507 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:29:37,507 INFO L413 NwaCegarLoop]: 616 mSDtfsCounter, 1822 mSDsluCounter, 1270 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 942 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2006 SdHoareTripleChecker+Valid, 1886 SdHoareTripleChecker+Invalid, 2154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 942 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:37,508 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2006 Valid, 1886 Invalid, 2154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [942 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-20 09:29:37,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2022-11-20 09:29:37,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1029. [2022-11-20 09:29:37,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 676 states have (on average 1.1967455621301775) internal successors, (809), 699 states have internal predecessors, (809), 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) [2022-11-20 09:29:37,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1304 transitions. [2022-11-20 09:29:37,646 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1304 transitions. Word has length 199 [2022-11-20 09:29:37,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:37,646 INFO L495 AbstractCegarLoop]: Abstraction has 1029 states and 1304 transitions. [2022-11-20 09:29:37,647 INFO L496 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) [2022-11-20 09:29:37,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1304 transitions. [2022-11-20 09:29:37,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-11-20 09:29:37,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:37,649 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:29:37,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-20 09:29:37,649 INFO L420 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)] === [2022-11-20 09:29:37,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:37,650 INFO L85 PathProgramCache]: Analyzing trace with hash -5414076, now seen corresponding path program 1 times [2022-11-20 09:29:37,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:37,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031464026] [2022-11-20 09:29:37,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:37,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:29:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:29:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:29:38,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:29:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:29:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:29:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:29:38,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:29:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:29:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:29:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:29:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:29:38,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 09:29:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 09:29:38,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 09:29:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:29:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 09:29:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 09:29:38,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 09:29:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-20 09:29:38,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:29:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 09:29:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-20 09:29:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:38,349 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:29:38,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:38,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031464026] [2022-11-20 09:29:38,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031464026] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:38,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:38,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:29:38,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346054596] [2022-11-20 09:29:38,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:38,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:29:38,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:38,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:29:38,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:29:38,353 INFO L87 Difference]: Start difference. First operand 1029 states and 1304 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) [2022-11-20 09:29:41,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:41,087 INFO L93 Difference]: Finished difference Result 1029 states and 1304 transitions. [2022-11-20 09:29:41,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:29:41,088 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 [2022-11-20 09:29:41,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:41,093 INFO L225 Difference]: With dead ends: 1029 [2022-11-20 09:29:41,093 INFO L226 Difference]: Without dead ends: 1027 [2022-11-20 09:29:41,094 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:29:41,095 INFO L413 NwaCegarLoop]: 802 mSDtfsCounter, 1493 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 1353 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1655 SdHoareTripleChecker+Valid, 2273 SdHoareTripleChecker+Invalid, 2013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:41,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1655 Valid, 2273 Invalid, 2013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1353 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-20 09:29:41,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2022-11-20 09:29:41,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1027. [2022-11-20 09:29:41,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 675 states have (on average 1.1955555555555555) internal successors, (807), 697 states have internal predecessors, (807), 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) [2022-11-20 09:29:41,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1302 transitions. [2022-11-20 09:29:41,236 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1302 transitions. Word has length 157 [2022-11-20 09:29:41,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:41,237 INFO L495 AbstractCegarLoop]: Abstraction has 1027 states and 1302 transitions. [2022-11-20 09:29:41,237 INFO L496 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) [2022-11-20 09:29:41,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1302 transitions. [2022-11-20 09:29:41,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-20 09:29:41,240 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:41,240 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:29:41,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-20 09:29:41,240 INFO L420 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)] === [2022-11-20 09:29:41,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:41,241 INFO L85 PathProgramCache]: Analyzing trace with hash 179662541, now seen corresponding path program 1 times [2022-11-20 09:29:41,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:41,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456542617] [2022-11-20 09:29:41,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:41,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:29:41,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:29:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:29:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:29:41,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:29:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 09:29:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 09:29:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 09:29:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:41,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 09:29:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:41,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 09:29:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 09:29:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-20 09:29:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:41,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:29:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:29:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:41,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 09:29:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-11-20 09:29:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:41,704 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2022-11-20 09:29:41,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:41,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456542617] [2022-11-20 09:29:41,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456542617] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:29:41,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342263823] [2022-11-20 09:29:41,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:41,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:29:41,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:29:41,711 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:29:41,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-20 09:29:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:42,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 2061 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:29:42,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:29:42,698 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-11-20 09:29:42,698 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:29:42,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1342263823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:42,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 09:29:42,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-20 09:29:42,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949055371] [2022-11-20 09:29:42,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:42,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:29:42,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:42,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:29:42,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:29:42,701 INFO L87 Difference]: Start difference. First operand 1027 states and 1302 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) [2022-11-20 09:29:42,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:42,900 INFO L93 Difference]: Finished difference Result 1971 states and 2476 transitions. [2022-11-20 09:29:42,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:29:42,901 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 [2022-11-20 09:29:42,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:42,907 INFO L225 Difference]: With dead ends: 1971 [2022-11-20 09:29:42,907 INFO L226 Difference]: Without dead ends: 1079 [2022-11-20 09:29:42,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:29:42,911 INFO L413 NwaCegarLoop]: 1257 mSDtfsCounter, 1132 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1132 SdHoareTripleChecker+Valid, 1324 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 [2022-11-20 09:29:42,912 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1132 Valid, 1324 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:29:42,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2022-11-20 09:29:43,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 1076. [2022-11-20 09:29:43,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 704 states have (on average 1.1889204545454546) internal successors, (837), 729 states have internal predecessors, (837), 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) [2022-11-20 09:29:43,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1362 transitions. [2022-11-20 09:29:43,098 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1362 transitions. Word has length 205 [2022-11-20 09:29:43,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:43,098 INFO L495 AbstractCegarLoop]: Abstraction has 1076 states and 1362 transitions. [2022-11-20 09:29:43,099 INFO L496 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) [2022-11-20 09:29:43,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1362 transitions. [2022-11-20 09:29:43,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-11-20 09:29:43,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:43,102 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:29:43,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-20 09:29:43,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-20 09:29:43,303 INFO L420 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)] === [2022-11-20 09:29:43,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:43,303 INFO L85 PathProgramCache]: Analyzing trace with hash -1680474540, now seen corresponding path program 1 times [2022-11-20 09:29:43,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:43,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186673459] [2022-11-20 09:29:43,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:43,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:29:43,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:29:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:29:43,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:29:43,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:29:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:29:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:29:43,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:29:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:29:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:29:43,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:29:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:29:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 09:29:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 09:29:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 09:29:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:29:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 09:29:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 09:29:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 09:29:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-20 09:29:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:29:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 09:29:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-20 09:29:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-20 09:29:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:43,742 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:29:43,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:43,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186673459] [2022-11-20 09:29:43,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186673459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:43,743 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:43,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:29:43,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140909684] [2022-11-20 09:29:43,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:43,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:29:43,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:43,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:29:43,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:29:43,745 INFO L87 Difference]: Start difference. First operand 1076 states and 1362 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) [2022-11-20 09:29:46,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:46,265 INFO L93 Difference]: Finished difference Result 1076 states and 1362 transitions. [2022-11-20 09:29:46,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:29:46,266 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 [2022-11-20 09:29:46,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:46,271 INFO L225 Difference]: With dead ends: 1076 [2022-11-20 09:29:46,271 INFO L226 Difference]: Without dead ends: 1074 [2022-11-20 09:29:46,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:29:46,272 INFO L413 NwaCegarLoop]: 797 mSDtfsCounter, 1482 mSDsluCounter, 1457 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1643 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 2008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:46,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1643 Valid, 2254 Invalid, 2008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1348 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-20 09:29:46,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2022-11-20 09:29:46,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 1074. [2022-11-20 09:29:46,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1074 states, 703 states have (on average 1.1877667140825034) internal successors, (835), 727 states have internal predecessors, (835), 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) [2022-11-20 09:29:46,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 1360 transitions. [2022-11-20 09:29:46,495 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 1360 transitions. Word has length 163 [2022-11-20 09:29:46,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:46,496 INFO L495 AbstractCegarLoop]: Abstraction has 1074 states and 1360 transitions. [2022-11-20 09:29:46,496 INFO L496 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) [2022-11-20 09:29:46,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1360 transitions. [2022-11-20 09:29:46,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-20 09:29:46,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:46,499 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:29:46,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-20 09:29:46,500 INFO L420 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)] === [2022-11-20 09:29:46,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:46,500 INFO L85 PathProgramCache]: Analyzing trace with hash 638278998, now seen corresponding path program 1 times [2022-11-20 09:29:46,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:46,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793958242] [2022-11-20 09:29:46,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:46,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:29:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:29:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:29:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:29:47,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:29:47,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:29:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:29:47,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:29:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:29:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 09:29:47,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 09:29:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:47,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-20 09:29:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:47,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 09:29:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:29:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 09:29:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 09:29:47,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:29:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:29:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:29:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 09:29:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-20 09:29:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:47,260 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2022-11-20 09:29:47,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:47,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793958242] [2022-11-20 09:29:47,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793958242] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:47,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:47,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 09:29:47,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759473835] [2022-11-20 09:29:47,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:47,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:29:47,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:47,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:29:47,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:29:47,263 INFO L87 Difference]: Start difference. First operand 1074 states and 1360 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) [2022-11-20 09:29:53,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:29:53,303 INFO L93 Difference]: Finished difference Result 1754 states and 2195 transitions. [2022-11-20 09:29:53,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 09:29:53,304 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 [2022-11-20 09:29:53,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:29:53,312 INFO L225 Difference]: With dead ends: 1754 [2022-11-20 09:29:53,313 INFO L226 Difference]: Without dead ends: 1752 [2022-11-20 09:29:53,313 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:29:53,314 INFO L413 NwaCegarLoop]: 979 mSDtfsCounter, 2886 mSDsluCounter, 3630 mSDsCounter, 0 mSdLazyCounter, 3594 mSolverCounterSat, 1739 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3047 SdHoareTripleChecker+Valid, 4609 SdHoareTripleChecker+Invalid, 5333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1739 IncrementalHoareTripleChecker+Valid, 3594 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:29:53,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3047 Valid, 4609 Invalid, 5333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1739 Valid, 3594 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-20 09:29:53,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2022-11-20 09:29:53,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 1698. [2022-11-20 09:29:53,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1698 states, 1128 states have (on average 1.1906028368794326) internal successors, (1343), 1166 states have internal predecessors, (1343), 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) [2022-11-20 09:29:53,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1698 states and 2131 transitions. [2022-11-20 09:29:53,652 INFO L78 Accepts]: Start accepts. Automaton has 1698 states and 2131 transitions. Word has length 201 [2022-11-20 09:29:53,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:29:53,653 INFO L495 AbstractCegarLoop]: Abstraction has 1698 states and 2131 transitions. [2022-11-20 09:29:53,653 INFO L496 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) [2022-11-20 09:29:53,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2131 transitions. [2022-11-20 09:29:53,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-11-20 09:29:53,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:29:53,656 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:29:53,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-20 09:29:53,656 INFO L420 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)] === [2022-11-20 09:29:53,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:29:53,657 INFO L85 PathProgramCache]: Analyzing trace with hash 346873179, now seen corresponding path program 1 times [2022-11-20 09:29:53,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:29:53,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576969901] [2022-11-20 09:29:53,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:29:53,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:29:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:29:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:29:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:29:54,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:29:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:29:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:29:54,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:29:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:29:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:29:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 09:29:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 09:29:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:54,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-20 09:29:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:54,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 09:29:54,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:54,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:29:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:29:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:29:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 09:29:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 09:29:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:29:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:29:54,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:29:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 09:29:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:29:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-20 09:29:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:29:54,294 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2022-11-20 09:29:54,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:29:54,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576969901] [2022-11-20 09:29:54,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576969901] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:29:54,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:29:54,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 09:29:54,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94173884] [2022-11-20 09:29:54,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:29:54,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:29:54,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:29:54,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:29:54,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 09:29:54,298 INFO L87 Difference]: Start difference. First operand 1698 states and 2131 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) [2022-11-20 09:30:00,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:00,123 INFO L93 Difference]: Finished difference Result 1725 states and 2160 transitions. [2022-11-20 09:30:00,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 09:30:00,123 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 [2022-11-20 09:30:00,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:00,131 INFO L225 Difference]: With dead ends: 1725 [2022-11-20 09:30:00,131 INFO L226 Difference]: Without dead ends: 1723 [2022-11-20 09:30:00,132 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:30:00,133 INFO L413 NwaCegarLoop]: 788 mSDtfsCounter, 1443 mSDsluCounter, 3454 mSDsCounter, 0 mSdLazyCounter, 3182 mSolverCounterSat, 1205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1455 SdHoareTripleChecker+Valid, 4242 SdHoareTripleChecker+Invalid, 4387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1205 IncrementalHoareTripleChecker+Valid, 3182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:00,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1455 Valid, 4242 Invalid, 4387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1205 Valid, 3182 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-11-20 09:30:00,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2022-11-20 09:30:00,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1689. [2022-11-20 09:30:00,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1689 states, 1123 states have (on average 1.1896705253784505) internal successors, (1336), 1160 states have internal predecessors, (1336), 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) [2022-11-20 09:30:00,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 2116 transitions. [2022-11-20 09:30:00,517 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 2116 transitions. Word has length 201 [2022-11-20 09:30:00,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:00,517 INFO L495 AbstractCegarLoop]: Abstraction has 1689 states and 2116 transitions. [2022-11-20 09:30:00,518 INFO L496 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) [2022-11-20 09:30:00,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2116 transitions. [2022-11-20 09:30:00,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-20 09:30:00,520 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:00,521 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:30:00,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-20 09:30:00,521 INFO L420 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)] === [2022-11-20 09:30:00,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:00,522 INFO L85 PathProgramCache]: Analyzing trace with hash -967703530, now seen corresponding path program 1 times [2022-11-20 09:30:00,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:00,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945208032] [2022-11-20 09:30:00,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:00,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:30:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:30:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:30:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:30:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:30:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:30:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:30:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:30:00,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:30:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:30:00,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:30:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:30:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 09:30:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 09:30:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 09:30:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:30:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 09:30:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 09:30:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 09:30:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-20 09:30:00,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:30:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 09:30:00,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-20 09:30:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-20 09:30:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-20 09:30:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,906 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:30:00,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:00,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945208032] [2022-11-20 09:30:00,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945208032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:00,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:00,907 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:30:00,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260799562] [2022-11-20 09:30:00,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:00,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:30:00,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:00,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:30:00,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:30:00,909 INFO L87 Difference]: Start difference. First operand 1689 states and 2116 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) [2022-11-20 09:30:04,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:04,045 INFO L93 Difference]: Finished difference Result 1689 states and 2116 transitions. [2022-11-20 09:30:04,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:30:04,045 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 [2022-11-20 09:30:04,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:04,054 INFO L225 Difference]: With dead ends: 1689 [2022-11-20 09:30:04,054 INFO L226 Difference]: Without dead ends: 1687 [2022-11-20 09:30:04,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:30:04,056 INFO L413 NwaCegarLoop]: 797 mSDtfsCounter, 1476 mSDsluCounter, 1457 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1636 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 2004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:04,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1636 Valid, 2254 Invalid, 2004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-20 09:30:04,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2022-11-20 09:30:04,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1687. [2022-11-20 09:30:04,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1687 states, 1122 states have (on average 1.1880570409982174) internal successors, (1333), 1158 states have internal predecessors, (1333), 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) [2022-11-20 09:30:04,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2113 transitions. [2022-11-20 09:30:04,308 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2113 transitions. Word has length 169 [2022-11-20 09:30:04,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:04,309 INFO L495 AbstractCegarLoop]: Abstraction has 1687 states and 2113 transitions. [2022-11-20 09:30:04,309 INFO L496 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) [2022-11-20 09:30:04,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2113 transitions. [2022-11-20 09:30:04,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-20 09:30:04,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:04,313 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:30:04,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-20 09:30:04,314 INFO L420 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)] === [2022-11-20 09:30:04,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:04,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1416910982, now seen corresponding path program 1 times [2022-11-20 09:30:04,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:04,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038418546] [2022-11-20 09:30:04,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:04,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:30:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:30:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:30:04,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:30:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:30:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:30:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:30:04,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:30:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:30:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:30:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:30:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:30:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 09:30:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 09:30:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 09:30:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:30:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 09:30:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 09:30:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 09:30:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-20 09:30:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:30:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 09:30:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-20 09:30:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-20 09:30:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-20 09:30:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 09:30:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:04,738 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:30:04,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:04,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038418546] [2022-11-20 09:30:04,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038418546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:04,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:04,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:30:04,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790181196] [2022-11-20 09:30:04,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:04,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:30:04,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:04,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:30:04,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:30:04,741 INFO L87 Difference]: Start difference. First operand 1687 states and 2113 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) [2022-11-20 09:30:07,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:07,832 INFO L93 Difference]: Finished difference Result 1687 states and 2113 transitions. [2022-11-20 09:30:07,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:30:07,832 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 [2022-11-20 09:30:07,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:07,839 INFO L225 Difference]: With dead ends: 1687 [2022-11-20 09:30:07,839 INFO L226 Difference]: Without dead ends: 1685 [2022-11-20 09:30:07,840 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:30:07,841 INFO L413 NwaCegarLoop]: 797 mSDtfsCounter, 1470 mSDsluCounter, 1457 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1629 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 2000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:07,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1629 Valid, 2254 Invalid, 2000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1340 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-20 09:30:07,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1685 states. [2022-11-20 09:30:08,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1685 to 1685. [2022-11-20 09:30:08,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1685 states, 1121 states have (on average 1.1864406779661016) internal successors, (1330), 1156 states have internal predecessors, (1330), 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) [2022-11-20 09:30:08,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1685 states and 2110 transitions. [2022-11-20 09:30:08,189 INFO L78 Accepts]: Start accepts. Automaton has 1685 states and 2110 transitions. Word has length 175 [2022-11-20 09:30:08,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:08,190 INFO L495 AbstractCegarLoop]: Abstraction has 1685 states and 2110 transitions. [2022-11-20 09:30:08,190 INFO L496 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) [2022-11-20 09:30:08,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 2110 transitions. [2022-11-20 09:30:08,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-11-20 09:30:08,193 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:08,193 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:30:08,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-20 09:30:08,194 INFO L420 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)] === [2022-11-20 09:30:08,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:08,194 INFO L85 PathProgramCache]: Analyzing trace with hash -1644043269, now seen corresponding path program 1 times [2022-11-20 09:30:08,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:08,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963926403] [2022-11-20 09:30:08,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:08,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:30:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:30:09,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:30:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:30:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:30:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:09,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 09:30:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:09,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:09,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 09:30:09,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 09:30:09,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:09,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:09,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:09,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 09:30:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:09,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 09:30:09,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 09:30:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-20 09:30:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:30:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:30:09,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:09,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 09:30:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-20 09:30:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-11-20 09:30:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-11-20 09:30:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:09,512 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2022-11-20 09:30:09,512 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:09,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963926403] [2022-11-20 09:30:09,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963926403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:09,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:09,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 09:30:09,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803975716] [2022-11-20 09:30:09,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:09,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 09:30:09,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:09,514 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 09:30:09,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-20 09:30:09,515 INFO L87 Difference]: Start difference. First operand 1685 states and 2110 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) [2022-11-20 09:30:18,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:18,620 INFO L93 Difference]: Finished difference Result 4043 states and 5284 transitions. [2022-11-20 09:30:18,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 09:30:18,621 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 [2022-11-20 09:30:18,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:18,631 INFO L225 Difference]: With dead ends: 4043 [2022-11-20 09:30:18,632 INFO L226 Difference]: Without dead ends: 2452 [2022-11-20 09:30:18,636 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:30:18,637 INFO L413 NwaCegarLoop]: 1379 mSDtfsCounter, 1530 mSDsluCounter, 8628 mSDsCounter, 0 mSdLazyCounter, 6356 mSolverCounterSat, 1220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1684 SdHoareTripleChecker+Valid, 10007 SdHoareTripleChecker+Invalid, 7576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1220 IncrementalHoareTripleChecker+Valid, 6356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:18,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1684 Valid, 10007 Invalid, 7576 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1220 Valid, 6356 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2022-11-20 09:30:18,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2452 states. [2022-11-20 09:30:19,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2452 to 1692. [2022-11-20 09:30:19,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1692 states, 1126 states have (on average 1.1856127886323269) internal successors, (1335), 1160 states have internal predecessors, (1335), 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) [2022-11-20 09:30:19,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1692 states and 2121 transitions. [2022-11-20 09:30:19,029 INFO L78 Accepts]: Start accepts. Automaton has 1692 states and 2121 transitions. Word has length 221 [2022-11-20 09:30:19,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:19,030 INFO L495 AbstractCegarLoop]: Abstraction has 1692 states and 2121 transitions. [2022-11-20 09:30:19,030 INFO L496 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) [2022-11-20 09:30:19,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2121 transitions. [2022-11-20 09:30:19,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-20 09:30:19,034 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:19,034 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:30:19,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-20 09:30:19,034 INFO L420 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)] === [2022-11-20 09:30:19,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:19,035 INFO L85 PathProgramCache]: Analyzing trace with hash 992032751, now seen corresponding path program 1 times [2022-11-20 09:30:19,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:19,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214523797] [2022-11-20 09:30:19,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:19,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:30:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:30:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:30:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:30:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:30:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:30:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:30:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:30:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:30:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:30:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:30:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:30:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 09:30:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 09:30:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 09:30:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:30:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 09:30:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 09:30:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 09:30:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-20 09:30:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:30:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 09:30:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-20 09:30:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-20 09:30:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-20 09:30:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 09:30:19,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-20 09:30:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:19,455 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:30:19,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:19,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214523797] [2022-11-20 09:30:19,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214523797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:19,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:19,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:30:19,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735175028] [2022-11-20 09:30:19,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:19,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:30:19,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:19,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:30:19,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:30:19,458 INFO L87 Difference]: Start difference. First operand 1692 states and 2121 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) [2022-11-20 09:30:22,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:22,402 INFO L93 Difference]: Finished difference Result 1692 states and 2121 transitions. [2022-11-20 09:30:22,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:30:22,403 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 [2022-11-20 09:30:22,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:22,409 INFO L225 Difference]: With dead ends: 1692 [2022-11-20 09:30:22,409 INFO L226 Difference]: Without dead ends: 1690 [2022-11-20 09:30:22,410 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:30:22,411 INFO L413 NwaCegarLoop]: 797 mSDtfsCounter, 1464 mSDsluCounter, 1457 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1622 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 1996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:22,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1622 Valid, 2254 Invalid, 1996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-11-20 09:30:22,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2022-11-20 09:30:22,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1690. [2022-11-20 09:30:22,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1690 states, 1125 states have (on average 1.184) internal successors, (1332), 1158 states have internal predecessors, (1332), 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) [2022-11-20 09:30:22,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 2118 transitions. [2022-11-20 09:30:22,746 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 2118 transitions. Word has length 181 [2022-11-20 09:30:22,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:22,746 INFO L495 AbstractCegarLoop]: Abstraction has 1690 states and 2118 transitions. [2022-11-20 09:30:22,747 INFO L496 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) [2022-11-20 09:30:22,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 2118 transitions. [2022-11-20 09:30:22,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-11-20 09:30:22,750 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:22,750 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:30:22,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-20 09:30:22,751 INFO L420 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)] === [2022-11-20 09:30:22,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:22,751 INFO L85 PathProgramCache]: Analyzing trace with hash 1634887563, now seen corresponding path program 1 times [2022-11-20 09:30:22,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:22,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749736468] [2022-11-20 09:30:22,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:22,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:30:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:30:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:30:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:30:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:30:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 09:30:24,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:24,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 09:30:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:24,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 09:30:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:24,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 09:30:24,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 09:30:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 09:30:24,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-20 09:30:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:24,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:30:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:30:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:30:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:30:24,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:30:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:30:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-20 09:30:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-20 09:30:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-20 09:30:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:24,994 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2022-11-20 09:30:24,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:24,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [749736468] [2022-11-20 09:30:24,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [749736468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:24,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:24,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-11-20 09:30:24,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376448695] [2022-11-20 09:30:24,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:24,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-20 09:30:24,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:24,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-20 09:30:24,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2022-11-20 09:30:24,998 INFO L87 Difference]: Start difference. First operand 1690 states and 2118 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) [2022-11-20 09:30:41,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:41,893 INFO L93 Difference]: Finished difference Result 4641 states and 6232 transitions. [2022-11-20 09:30:41,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-20 09:30:41,894 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 [2022-11-20 09:30:41,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:41,917 INFO L225 Difference]: With dead ends: 4641 [2022-11-20 09:30:41,917 INFO L226 Difference]: Without dead ends: 3139 [2022-11-20 09:30:41,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=273, Invalid=1449, Unknown=0, NotChecked=0, Total=1722 [2022-11-20 09:30:41,925 INFO L413 NwaCegarLoop]: 1982 mSDtfsCounter, 2069 mSDsluCounter, 20103 mSDsCounter, 0 mSdLazyCounter, 12597 mSolverCounterSat, 1472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2401 SdHoareTripleChecker+Valid, 22085 SdHoareTripleChecker+Invalid, 14069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1472 IncrementalHoareTripleChecker+Valid, 12597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:41,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2401 Valid, 22085 Invalid, 14069 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1472 Valid, 12597 Invalid, 0 Unknown, 0 Unchecked, 15.1s Time] [2022-11-20 09:30:41,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3139 states. [2022-11-20 09:30:42,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3139 to 1708. [2022-11-20 09:30:42,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1708 states, 1134 states have (on average 1.1825396825396826) internal successors, (1341), 1168 states have internal predecessors, (1341), 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) [2022-11-20 09:30:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2142 transitions. [2022-11-20 09:30:42,440 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2142 transitions. Word has length 237 [2022-11-20 09:30:42,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:42,441 INFO L495 AbstractCegarLoop]: Abstraction has 1708 states and 2142 transitions. [2022-11-20 09:30:42,441 INFO L496 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) [2022-11-20 09:30:42,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2142 transitions. [2022-11-20 09:30:42,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-11-20 09:30:42,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:42,444 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:30:42,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-20 09:30:42,445 INFO L420 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)] === [2022-11-20 09:30:42,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:42,446 INFO L85 PathProgramCache]: Analyzing trace with hash -180097571, now seen corresponding path program 1 times [2022-11-20 09:30:42,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:42,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718512989] [2022-11-20 09:30:42,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:42,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:42,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:30:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:30:42,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:30:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:30:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:30:42,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:30:42,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:30:42,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:30:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:30:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-11-20 09:30:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-11-20 09:30:42,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-11-20 09:30:42,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-11-20 09:30:42,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-11-20 09:30:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-20 09:30:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:30:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-11-20 09:30:42,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-20 09:30:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-11-20 09:30:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-11-20 09:30:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:30:42,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 09:30:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-11-20 09:30:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-11-20 09:30:42,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-11-20 09:30:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-11-20 09:30:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-11-20 09:30:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 09:30:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:42,863 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:30:42,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:42,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718512989] [2022-11-20 09:30:42,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718512989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:42,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:42,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:30:42,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [601956656] [2022-11-20 09:30:42,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:42,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:30:42,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:42,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:30:42,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:30:42,866 INFO L87 Difference]: Start difference. First operand 1708 states and 2142 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) [2022-11-20 09:30:47,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:47,717 INFO L93 Difference]: Finished difference Result 3292 states and 4125 transitions. [2022-11-20 09:30:47,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 09:30:47,717 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 [2022-11-20 09:30:47,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:47,728 INFO L225 Difference]: With dead ends: 3292 [2022-11-20 09:30:47,728 INFO L226 Difference]: Without dead ends: 3009 [2022-11-20 09:30:47,730 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:30:47,730 INFO L413 NwaCegarLoop]: 1010 mSDtfsCounter, 1975 mSDsluCounter, 2098 mSDsCounter, 0 mSdLazyCounter, 2580 mSolverCounterSat, 1139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2127 SdHoareTripleChecker+Valid, 3108 SdHoareTripleChecker+Invalid, 3719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1139 IncrementalHoareTripleChecker+Valid, 2580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:47,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2127 Valid, 3108 Invalid, 3719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1139 Valid, 2580 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-20 09:30:47,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3009 states. [2022-11-20 09:30:48,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3009 to 2990. [2022-11-20 09:30:48,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2990 states, 1995 states have (on average 1.1969924812030075) internal successors, (2388), 2050 states have internal predecessors, (2388), 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) [2022-11-20 09:30:48,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2990 states and 3798 transitions. [2022-11-20 09:30:48,475 INFO L78 Accepts]: Start accepts. Automaton has 2990 states and 3798 transitions. Word has length 187 [2022-11-20 09:30:48,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:48,476 INFO L495 AbstractCegarLoop]: Abstraction has 2990 states and 3798 transitions. [2022-11-20 09:30:48,476 INFO L496 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) [2022-11-20 09:30:48,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2990 states and 3798 transitions. [2022-11-20 09:30:48,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-20 09:30:48,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:48,479 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:30:48,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-20 09:30:48,480 INFO L420 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)] === [2022-11-20 09:30:48,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:48,480 INFO L85 PathProgramCache]: Analyzing trace with hash 890445560, now seen corresponding path program 1 times [2022-11-20 09:30:48,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:48,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657217540] [2022-11-20 09:30:48,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:48,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:48,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:30:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:30:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:30:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:30:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:30:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 09:30:49,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 09:30:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 09:30:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:49,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 09:30:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:49,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 09:30:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 09:30:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-20 09:30:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:30:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:30:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:30:49,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:30:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:30:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:30:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-20 09:30:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-20 09:30:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-20 09:30:49,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,567 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-11-20 09:30:49,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:49,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657217540] [2022-11-20 09:30:49,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657217540] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:30:49,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72540241] [2022-11-20 09:30:49,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:49,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:30:49,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:30:49,575 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:30:49,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-20 09:30:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:50,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 2422 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 09:30:50,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:50,726 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-11-20 09:30:50,726 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:50,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72540241] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:50,727 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 09:30:50,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 11 [2022-11-20 09:30:50,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569140706] [2022-11-20 09:30:50,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:50,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:30:50,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:50,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:30:50,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-11-20 09:30:50,729 INFO L87 Difference]: Start difference. First operand 2990 states and 3798 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) [2022-11-20 09:30:52,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:52,305 INFO L93 Difference]: Finished difference Result 7071 states and 9294 transitions. [2022-11-20 09:30:52,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 09:30:52,306 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 [2022-11-20 09:30:52,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:52,322 INFO L225 Difference]: With dead ends: 7071 [2022-11-20 09:30:52,322 INFO L226 Difference]: Without dead ends: 4126 [2022-11-20 09:30:52,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-11-20 09:30:52,331 INFO L413 NwaCegarLoop]: 1275 mSDtfsCounter, 594 mSDsluCounter, 4826 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 6101 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:52,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 6101 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 09:30:52,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2022-11-20 09:30:53,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 2958. [2022-11-20 09:30:53,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2958 states, 1978 states have (on average 1.1971688574317492) internal successors, (2368), 2030 states have internal predecessors, (2368), 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) [2022-11-20 09:30:53,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2958 states to 2958 states and 3754 transitions. [2022-11-20 09:30:53,113 INFO L78 Accepts]: Start accepts. Automaton has 2958 states and 3754 transitions. Word has length 241 [2022-11-20 09:30:53,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:53,113 INFO L495 AbstractCegarLoop]: Abstraction has 2958 states and 3754 transitions. [2022-11-20 09:30:53,113 INFO L496 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) [2022-11-20 09:30:53,114 INFO L276 IsEmpty]: Start isEmpty. Operand 2958 states and 3754 transitions. [2022-11-20 09:30:53,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-20 09:30:53,117 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:53,117 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:30:53,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-20 09:30:53,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-11-20 09:30:53,330 INFO L420 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)] === [2022-11-20 09:30:53,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:53,330 INFO L85 PathProgramCache]: Analyzing trace with hash 1781520182, now seen corresponding path program 1 times [2022-11-20 09:30:53,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:53,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246808544] [2022-11-20 09:30:53,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:53,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:54,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:30:54,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:54,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:30:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:54,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:30:54,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:54,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:30:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:54,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:30:54,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:55,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:55,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 09:30:55,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:55,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:55,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 09:30:55,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:55,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:55,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 09:30:55,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 09:30:55,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:55,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:30:55,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:30:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 09:30:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 09:30:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-20 09:30:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:55,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:30:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:30:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:30:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:30:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:30:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:30:55,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:30:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-20 09:30:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-20 09:30:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-20 09:30:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 6 proven. 61 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2022-11-20 09:30:55,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:55,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246808544] [2022-11-20 09:30:55,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246808544] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:30:55,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [705657562] [2022-11-20 09:30:55,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:55,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:30:55,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:30:55,284 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:30:55,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-20 09:30:56,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:56,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 2420 conjuncts, 44 conjunts are in the unsatisfiable core [2022-11-20 09:30:56,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:56,389 INFO L350 Elim1Store]: Elim1 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 [2022-11-20 09:30:56,666 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2022-11-20 09:30:56,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:56,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [705657562] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:56,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 09:30:56,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2022-11-20 09:30:56,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110729118] [2022-11-20 09:30:56,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:56,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:30:56,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:56,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:30:56,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2022-11-20 09:30:56,669 INFO L87 Difference]: Start difference. First operand 2958 states and 3754 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) [2022-11-20 09:31:07,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:07,986 INFO L93 Difference]: Finished difference Result 6700 states and 8754 transitions. [2022-11-20 09:31:07,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 09:31:07,987 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 [2022-11-20 09:31:07,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:08,003 INFO L225 Difference]: With dead ends: 6700 [2022-11-20 09:31:08,003 INFO L226 Difference]: Without dead ends: 3961 [2022-11-20 09:31:08,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2022-11-20 09:31:08,010 INFO L413 NwaCegarLoop]: 1147 mSDtfsCounter, 542 mSDsluCounter, 3866 mSDsCounter, 0 mSdLazyCounter, 6015 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 697 SdHoareTripleChecker+Valid, 5013 SdHoareTripleChecker+Invalid, 6290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 6015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:08,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [697 Valid, 5013 Invalid, 6290 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [275 Valid, 6015 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-11-20 09:31:08,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3961 states. [2022-11-20 09:31:08,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3961 to 3040. [2022-11-20 09:31:08,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3040 states, 2022 states have (on average 1.195845697329377) internal successors, (2418), 2080 states have internal predecessors, (2418), 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) [2022-11-20 09:31:08,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 3040 states and 3885 transitions. [2022-11-20 09:31:08,780 INFO L78 Accepts]: Start accepts. Automaton has 3040 states and 3885 transitions. Word has length 241 [2022-11-20 09:31:08,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:08,781 INFO L495 AbstractCegarLoop]: Abstraction has 3040 states and 3885 transitions. [2022-11-20 09:31:08,781 INFO L496 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) [2022-11-20 09:31:08,782 INFO L276 IsEmpty]: Start isEmpty. Operand 3040 states and 3885 transitions. [2022-11-20 09:31:08,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-11-20 09:31:08,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:08,784 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:31:08,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-20 09:31:08,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:31:08,995 INFO L420 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)] === [2022-11-20 09:31:08,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:08,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1388493172, now seen corresponding path program 1 times [2022-11-20 09:31:08,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:08,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388545168] [2022-11-20 09:31:08,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:08,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:31:10,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:31:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:31:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:31:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:31:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:10,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:31:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:31:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-11-20 09:31:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:31:10,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:31:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-20 09:31:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:10,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:31:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:31:10,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-20 09:31:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:31:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:31:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-11-20 09:31:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:31:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:31:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-11-20 09:31:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-11-20 09:31:10,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-20 09:31:10,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:10,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:10,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:31:10,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:31:10,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:31:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:31:10,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:31:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:31:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-11-20 09:31:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-20 09:31:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-20 09:31:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:10,948 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 19 proven. 48 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2022-11-20 09:31:10,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:10,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388545168] [2022-11-20 09:31:10,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388545168] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:31:10,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988318112] [2022-11-20 09:31:10,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:10,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:31:10,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:31:10,950 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:31:10,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-20 09:31:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:12,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 2415 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-20 09:31:12,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:13,199 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 219 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-11-20 09:31:13,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:31:13,747 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2022-11-20 09:31:13,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988318112] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:31:13,748 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:31:13,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 8] total 20 [2022-11-20 09:31:13,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580536854] [2022-11-20 09:31:13,749 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:31:13,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-20 09:31:13,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:13,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-20 09:31:13,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2022-11-20 09:31:13,751 INFO L87 Difference]: Start difference. First operand 3040 states and 3885 transitions. Second operand has 20 states, 19 states have (on average 8.631578947368421) internal successors, (164), 13 states have internal predecessors, (164), 5 states have call successors, (68), 6 states have call predecessors, (68), 5 states have return successors, (60), 7 states have call predecessors, (60), 5 states have call successors, (60) [2022-11-20 09:31:25,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:25,930 INFO L93 Difference]: Finished difference Result 7316 states and 9692 transitions. [2022-11-20 09:31:25,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 09:31:25,931 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.631578947368421) internal successors, (164), 13 states have internal predecessors, (164), 5 states have call successors, (68), 6 states have call predecessors, (68), 5 states have return successors, (60), 7 states have call predecessors, (60), 5 states have call successors, (60) Word has length 241 [2022-11-20 09:31:25,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:25,946 INFO L225 Difference]: With dead ends: 7316 [2022-11-20 09:31:25,946 INFO L226 Difference]: Without dead ends: 4318 [2022-11-20 09:31:25,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 550 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=154, Invalid=902, Unknown=0, NotChecked=0, Total=1056 [2022-11-20 09:31:25,955 INFO L413 NwaCegarLoop]: 1301 mSDtfsCounter, 2416 mSDsluCounter, 10939 mSDsCounter, 0 mSdLazyCounter, 7921 mSolverCounterSat, 1731 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2418 SdHoareTripleChecker+Valid, 12240 SdHoareTripleChecker+Invalid, 9652 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1731 IncrementalHoareTripleChecker+Valid, 7921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:25,956 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2418 Valid, 12240 Invalid, 9652 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1731 Valid, 7921 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2022-11-20 09:31:25,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4318 states. [2022-11-20 09:31:26,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4318 to 3042. [2022-11-20 09:31:26,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3042 states, 2023 states have (on average 1.1947602570439941) internal successors, (2417), 2079 states have internal predecessors, (2417), 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) [2022-11-20 09:31:26,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 3042 states and 3885 transitions. [2022-11-20 09:31:26,952 INFO L78 Accepts]: Start accepts. Automaton has 3042 states and 3885 transitions. Word has length 241 [2022-11-20 09:31:26,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:26,952 INFO L495 AbstractCegarLoop]: Abstraction has 3042 states and 3885 transitions. [2022-11-20 09:31:26,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.631578947368421) internal successors, (164), 13 states have internal predecessors, (164), 5 states have call successors, (68), 6 states have call predecessors, (68), 5 states have return successors, (60), 7 states have call predecessors, (60), 5 states have call successors, (60) [2022-11-20 09:31:26,953 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 3885 transitions. [2022-11-20 09:31:26,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-11-20 09:31:26,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:26,955 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:31:26,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-20 09:31:27,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:31:27,170 INFO L420 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)] === [2022-11-20 09:31:27,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:27,171 INFO L85 PathProgramCache]: Analyzing trace with hash 740891631, now seen corresponding path program 1 times [2022-11-20 09:31:27,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:27,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47492108] [2022-11-20 09:31:27,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:27,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:31:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:31:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:31:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:31:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:31:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:31:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:31:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:27,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:31:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:31:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 09:31:27,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 09:31:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:31:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:31:27,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-20 09:31:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:31:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:31:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 09:31:27,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:31:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:31:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:31:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 09:31:27,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 09:31:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-20 09:31:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-20 09:31:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-20 09:31:27,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-20 09:31:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-20 09:31:27,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 09:31:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:31:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:27,678 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-11-20 09:31:27,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:27,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47492108] [2022-11-20 09:31:27,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47492108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:27,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:27,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-20 09:31:27,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49798175] [2022-11-20 09:31:27,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:27,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 09:31:27,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:27,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 09:31:27,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-20 09:31:27,681 INFO L87 Difference]: Start difference. First operand 3042 states and 3885 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) [2022-11-20 09:31:36,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:36,291 INFO L93 Difference]: Finished difference Result 7402 states and 9919 transitions. [2022-11-20 09:31:36,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 09:31:36,296 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 [2022-11-20 09:31:36,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:36,314 INFO L225 Difference]: With dead ends: 7402 [2022-11-20 09:31:36,315 INFO L226 Difference]: Without dead ends: 5045 [2022-11-20 09:31:36,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2022-11-20 09:31:36,323 INFO L413 NwaCegarLoop]: 1314 mSDtfsCounter, 2173 mSDsluCounter, 6800 mSDsCounter, 0 mSdLazyCounter, 5163 mSolverCounterSat, 1596 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2270 SdHoareTripleChecker+Valid, 8114 SdHoareTripleChecker+Invalid, 6759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1596 IncrementalHoareTripleChecker+Valid, 5163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:36,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2270 Valid, 8114 Invalid, 6759 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1596 Valid, 5163 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-11-20 09:31:36,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5045 states. [2022-11-20 09:31:37,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5045 to 2988. [2022-11-20 09:31:37,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 1987 states have (on average 1.1892299949672873) internal successors, (2363), 2043 states have internal predecessors, (2363), 695 states have call successors, (695), 283 states have call predecessors, (695), 300 states have return successors, (757), 676 states have call predecessors, (757), 693 states have call successors, (757) [2022-11-20 09:31:37,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 3815 transitions. [2022-11-20 09:31:37,238 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 3815 transitions. Word has length 233 [2022-11-20 09:31:37,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:37,239 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 3815 transitions. [2022-11-20 09:31:37,239 INFO L496 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) [2022-11-20 09:31:37,239 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 3815 transitions. [2022-11-20 09:31:37,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-11-20 09:31:37,242 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:37,243 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:31:37,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-20 09:31:37,243 INFO L420 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)] === [2022-11-20 09:31:37,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:37,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1246450256, now seen corresponding path program 1 times [2022-11-20 09:31:37,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:37,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688454112] [2022-11-20 09:31:37,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:37,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:31:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:31:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:31:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:31:37,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:31:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:31:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:31:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:31:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:31:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 09:31:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 09:31:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:37,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:31:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:31:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-20 09:31:37,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:31:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:31:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 09:31:37,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:31:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:31:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:31:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 09:31:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 09:31:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-20 09:31:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-20 09:31:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-20 09:31:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-20 09:31:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-20 09:31:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 09:31:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:31:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:37,794 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-11-20 09:31:37,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:37,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688454112] [2022-11-20 09:31:37,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688454112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:37,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:37,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-20 09:31:37,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990753084] [2022-11-20 09:31:37,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:37,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 09:31:37,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:37,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 09:31:37,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:31:37,797 INFO L87 Difference]: Start difference. First operand 2988 states and 3815 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) [2022-11-20 09:31:45,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:45,764 INFO L93 Difference]: Finished difference Result 3072 states and 3913 transitions. [2022-11-20 09:31:45,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-20 09:31:45,764 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 [2022-11-20 09:31:45,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:45,774 INFO L225 Difference]: With dead ends: 3072 [2022-11-20 09:31:45,774 INFO L226 Difference]: Without dead ends: 3070 [2022-11-20 09:31:45,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2022-11-20 09:31:45,776 INFO L413 NwaCegarLoop]: 1105 mSDtfsCounter, 2281 mSDsluCounter, 5606 mSDsCounter, 0 mSdLazyCounter, 4662 mSolverCounterSat, 1654 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2377 SdHoareTripleChecker+Valid, 6711 SdHoareTripleChecker+Invalid, 6316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1654 IncrementalHoareTripleChecker+Valid, 4662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:45,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2377 Valid, 6711 Invalid, 6316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1654 Valid, 4662 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-11-20 09:31:45,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3070 states. [2022-11-20 09:31:46,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3070 to 3040. [2022-11-20 09:31:46,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3040 states, 2027 states have (on average 1.1884558460779477) internal successors, (2409), 2079 states have internal predecessors, (2409), 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) [2022-11-20 09:31:46,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 3040 states and 3873 transitions. [2022-11-20 09:31:46,691 INFO L78 Accepts]: Start accepts. Automaton has 3040 states and 3873 transitions. Word has length 233 [2022-11-20 09:31:46,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:46,691 INFO L495 AbstractCegarLoop]: Abstraction has 3040 states and 3873 transitions. [2022-11-20 09:31:46,691 INFO L496 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) [2022-11-20 09:31:46,692 INFO L276 IsEmpty]: Start isEmpty. Operand 3040 states and 3873 transitions. [2022-11-20 09:31:46,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-11-20 09:31:46,695 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:46,695 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:31:46,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-20 09:31:46,695 INFO L420 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)] === [2022-11-20 09:31:46,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:46,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1966545428, now seen corresponding path program 1 times [2022-11-20 09:31:46,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:31:46,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122124382] [2022-11-20 09:31:46,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:46,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:31:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:31:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:31:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:31:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:31:49,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:31:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:31:49,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:31:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 09:31:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 09:31:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:31:49,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:31:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-20 09:31:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 09:31:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:31:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:31:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:31:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:31:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:31:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-20 09:31:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:31:49,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:31:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 09:31:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-20 09:31:49,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 09:31:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:31:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:31:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:31:49,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:31:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:31:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:31:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:31:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-20 09:31:49,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-20 09:31:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-20 09:31:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:49,792 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-11-20 09:31:49,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:31:49,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122124382] [2022-11-20 09:31:49,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122124382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:49,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:49,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-11-20 09:31:49,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746519030] [2022-11-20 09:31:49,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:49,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-20 09:31:49,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:31:49,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-20 09:31:49,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=378, Unknown=0, NotChecked=0, Total=420 [2022-11-20 09:31:49,795 INFO L87 Difference]: Start difference. First operand 3040 states and 3873 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) [2022-11-20 09:32:13,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:13,884 INFO L93 Difference]: Finished difference Result 6695 states and 9018 transitions. [2022-11-20 09:32:13,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-20 09:32:13,885 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 [2022-11-20 09:32:13,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:13,904 INFO L225 Difference]: With dead ends: 6695 [2022-11-20 09:32:13,904 INFO L226 Difference]: Without dead ends: 5168 [2022-11-20 09:32:13,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=301, Invalid=1505, Unknown=0, NotChecked=0, Total=1806 [2022-11-20 09:32:13,910 INFO L413 NwaCegarLoop]: 1591 mSDtfsCounter, 1800 mSDsluCounter, 20282 mSDsCounter, 0 mSdLazyCounter, 15624 mSolverCounterSat, 1239 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2083 SdHoareTripleChecker+Valid, 21873 SdHoareTripleChecker+Invalid, 16863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1239 IncrementalHoareTripleChecker+Valid, 15624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.1s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:13,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2083 Valid, 21873 Invalid, 16863 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1239 Valid, 15624 Invalid, 0 Unknown, 0 Unchecked, 21.1s Time] [2022-11-20 09:32:13,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5168 states. [2022-11-20 09:32:14,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5168 to 3071. [2022-11-20 09:32:14,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3071 states, 2043 states have (on average 1.1869799314733236) internal successors, (2425), 2096 states have internal predecessors, (2425), 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) [2022-11-20 09:32:15,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3071 states to 3071 states and 3918 transitions. [2022-11-20 09:32:15,005 INFO L78 Accepts]: Start accepts. Automaton has 3071 states and 3918 transitions. Word has length 249 [2022-11-20 09:32:15,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:15,005 INFO L495 AbstractCegarLoop]: Abstraction has 3071 states and 3918 transitions. [2022-11-20 09:32:15,005 INFO L496 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) [2022-11-20 09:32:15,005 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 3918 transitions. [2022-11-20 09:32:15,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-11-20 09:32:15,008 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:15,008 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:32:15,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-20 09:32:15,008 INFO L420 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)] === [2022-11-20 09:32:15,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:15,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1951687420, now seen corresponding path program 1 times [2022-11-20 09:32:15,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:15,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625010100] [2022-11-20 09:32:15,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:15,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:17,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:32:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:17,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:32:17,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:17,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:32:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:17,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:32:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:32:18,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:32:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:32:18,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:32:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 09:32:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 09:32:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:32:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:32:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:32:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-20 09:32:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 09:32:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:32:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:32:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:32:18,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:32:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:32:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:32:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:32:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-20 09:32:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:32:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:32:18,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:32:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 09:32:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-20 09:32:18,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 09:32:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:32:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:32:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:32:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:32:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:32:18,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:32:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:32:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:32:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:32:18,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:32:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-20 09:32:18,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-20 09:32:18,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-20 09:32:18,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:18,710 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-11-20 09:32:18,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:18,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625010100] [2022-11-20 09:32:18,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625010100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:18,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:18,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-11-20 09:32:18,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463998223] [2022-11-20 09:32:18,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:18,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-11-20 09:32:18,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:18,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-11-20 09:32:18,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2022-11-20 09:32:18,712 INFO L87 Difference]: Start difference. First operand 3071 states and 3918 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) [2022-11-20 09:32:47,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:47,150 INFO L93 Difference]: Finished difference Result 6723 states and 9054 transitions. [2022-11-20 09:32:47,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-11-20 09:32:47,151 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 [2022-11-20 09:32:47,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:47,168 INFO L225 Difference]: With dead ends: 6723 [2022-11-20 09:32:47,168 INFO L226 Difference]: Without dead ends: 5196 [2022-11-20 09:32:47,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=368, Invalid=2082, Unknown=0, NotChecked=0, Total=2450 [2022-11-20 09:32:47,174 INFO L413 NwaCegarLoop]: 1530 mSDtfsCounter, 2119 mSDsluCounter, 20180 mSDsCounter, 0 mSdLazyCounter, 17850 mSolverCounterSat, 1658 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2401 SdHoareTripleChecker+Valid, 21710 SdHoareTripleChecker+Invalid, 19508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1658 IncrementalHoareTripleChecker+Valid, 17850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:47,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2401 Valid, 21710 Invalid, 19508 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1658 Valid, 17850 Invalid, 0 Unknown, 0 Unchecked, 25.2s Time] [2022-11-20 09:32:47,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5196 states. [2022-11-20 09:32:48,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5196 to 3071. [2022-11-20 09:32:48,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3071 states, 2043 states have (on average 1.1869799314733236) internal successors, (2425), 2096 states have internal predecessors, (2425), 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) [2022-11-20 09:32:48,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3071 states to 3071 states and 3916 transitions. [2022-11-20 09:32:48,352 INFO L78 Accepts]: Start accepts. Automaton has 3071 states and 3916 transitions. Word has length 250 [2022-11-20 09:32:48,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:48,352 INFO L495 AbstractCegarLoop]: Abstraction has 3071 states and 3916 transitions. [2022-11-20 09:32:48,352 INFO L496 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) [2022-11-20 09:32:48,353 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 3916 transitions. [2022-11-20 09:32:48,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-11-20 09:32:48,355 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:48,355 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:32:48,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-20 09:32:48,356 INFO L420 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)] === [2022-11-20 09:32:48,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:48,356 INFO L85 PathProgramCache]: Analyzing trace with hash 686451524, now seen corresponding path program 1 times [2022-11-20 09:32:48,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:48,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971252642] [2022-11-20 09:32:48,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:48,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:32:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:32:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:32:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:32:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:32:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:32:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:32:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:32:48,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:32:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:32:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:32:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 09:32:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 09:32:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:32:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:32:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:32:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-20 09:32:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:32:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:32:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:32:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 09:32:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:32:48,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:32:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:32:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:32:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 09:32:48,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 09:32:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:32:48,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:32:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:32:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:32:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 09:32:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:32:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-20 09:32:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-20 09:32:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:32:48,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:32:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 09:32:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:32:48,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:32:48,867 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2022-11-20 09:32:48,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:32:48,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971252642] [2022-11-20 09:32:48,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971252642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:32:48,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:32:48,869 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-20 09:32:48,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998498656] [2022-11-20 09:32:48,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:32:48,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 09:32:48,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:32:48,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 09:32:48,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-20 09:32:48,870 INFO L87 Difference]: Start difference. First operand 3071 states and 3916 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) [2022-11-20 09:32:58,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:32:58,730 INFO L93 Difference]: Finished difference Result 8369 states and 11374 transitions. [2022-11-20 09:32:58,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 09:32:58,731 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 [2022-11-20 09:32:58,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:32:58,747 INFO L225 Difference]: With dead ends: 8369 [2022-11-20 09:32:58,747 INFO L226 Difference]: Without dead ends: 6014 [2022-11-20 09:32:58,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2022-11-20 09:32:58,755 INFO L413 NwaCegarLoop]: 1669 mSDtfsCounter, 2194 mSDsluCounter, 8698 mSDsCounter, 0 mSdLazyCounter, 5875 mSolverCounterSat, 1766 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2386 SdHoareTripleChecker+Valid, 10367 SdHoareTripleChecker+Invalid, 7641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1766 IncrementalHoareTripleChecker+Valid, 5875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-20 09:32:58,755 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2386 Valid, 10367 Invalid, 7641 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1766 Valid, 5875 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-11-20 09:32:58,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6014 states. [2022-11-20 09:32:59,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6014 to 3030. [2022-11-20 09:32:59,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3030 states, 2021 states have (on average 1.1850569025235032) internal successors, (2395), 2070 states have internal predecessors, (2395), 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) [2022-11-20 09:32:59,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3850 transitions. [2022-11-20 09:32:59,896 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3850 transitions. Word has length 232 [2022-11-20 09:32:59,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:32:59,897 INFO L495 AbstractCegarLoop]: Abstraction has 3030 states and 3850 transitions. [2022-11-20 09:32:59,897 INFO L496 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) [2022-11-20 09:32:59,897 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3850 transitions. [2022-11-20 09:32:59,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-11-20 09:32:59,899 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:32:59,899 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:32:59,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-20 09:32:59,899 INFO L420 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)] === [2022-11-20 09:32:59,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:32:59,900 INFO L85 PathProgramCache]: Analyzing trace with hash 71040397, now seen corresponding path program 1 times [2022-11-20 09:32:59,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:32:59,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571888293] [2022-11-20 09:32:59,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:32:59,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:33:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:33:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:33:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:33:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:33:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:01,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:33:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:33:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 09:33:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 09:33:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:33:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:33:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-20 09:33:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 09:33:01,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:33:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:33:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:33:01,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:33:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:33:01,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:01,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-20 09:33:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:33:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:33:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 09:33:02,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-20 09:33:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 09:33:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:33:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:33:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:33:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:33:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:33:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:33:02,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-20 09:33:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-20 09:33:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-20 09:33:02,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-20 09:33:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:02,312 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-11-20 09:33:02,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:02,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571888293] [2022-11-20 09:33:02,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571888293] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:33:02,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1177088285] [2022-11-20 09:33:02,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:02,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:33:02,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:02,319 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:33:02,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-20 09:33:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:03,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 2479 conjuncts, 61 conjunts are in the unsatisfiable core [2022-11-20 09:33:03,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:03,762 INFO L350 Elim1Store]: Elim1 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 28 treesize of output 37 [2022-11-20 09:33:03,769 INFO L350 Elim1Store]: Elim1 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 28 treesize of output 37 [2022-11-20 09:33:04,120 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 7 [2022-11-20 09:33:04,123 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 7 [2022-11-20 09:33:04,138 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-11-20 09:33:04,138 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:33:04,985 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-11-20 09:33:04,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1177088285] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 09:33:04,985 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-20 09:33:04,985 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [22, 10] total 33 [2022-11-20 09:33:04,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654068799] [2022-11-20 09:33:04,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:04,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 09:33:04,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:04,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 09:33:04,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=970, Unknown=0, NotChecked=0, Total=1056 [2022-11-20 09:33:04,990 INFO L87 Difference]: Start difference. First operand 3030 states and 3850 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) [2022-11-20 09:33:08,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:08,345 INFO L93 Difference]: Finished difference Result 4630 states and 5847 transitions. [2022-11-20 09:33:08,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 09:33:08,346 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 [2022-11-20 09:33:08,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:08,356 INFO L225 Difference]: With dead ends: 4630 [2022-11-20 09:33:08,356 INFO L226 Difference]: Without dead ends: 3106 [2022-11-20 09:33:08,361 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 613 GetRequests, 578 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=98, Invalid=1162, Unknown=0, NotChecked=0, Total=1260 [2022-11-20 09:33:08,361 INFO L413 NwaCegarLoop]: 1199 mSDtfsCounter, 45 mSDsluCounter, 7346 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 8545 SdHoareTripleChecker+Invalid, 1157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 651 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:08,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 8545 Invalid, 1157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 489 Invalid, 0 Unknown, 651 Unchecked, 2.2s Time] [2022-11-20 09:33:08,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3106 states. [2022-11-20 09:33:09,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3106 to 3096. [2022-11-20 09:33:09,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3096 states, 2061 states have (on average 1.1824357108199903) internal successors, (2437), 2114 states have internal predecessors, (2437), 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) [2022-11-20 09:33:09,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3096 states to 3096 states and 3946 transitions. [2022-11-20 09:33:09,387 INFO L78 Accepts]: Start accepts. Automaton has 3096 states and 3946 transitions. Word has length 255 [2022-11-20 09:33:09,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:09,387 INFO L495 AbstractCegarLoop]: Abstraction has 3096 states and 3946 transitions. [2022-11-20 09:33:09,388 INFO L496 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) [2022-11-20 09:33:09,388 INFO L276 IsEmpty]: Start isEmpty. Operand 3096 states and 3946 transitions. [2022-11-20 09:33:09,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-20 09:33:09,389 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:09,389 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:33:09,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:09,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2022-11-20 09:33:09,590 INFO L420 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)] === [2022-11-20 09:33:09,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:09,591 INFO L85 PathProgramCache]: Analyzing trace with hash -174158723, now seen corresponding path program 1 times [2022-11-20 09:33:09,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:09,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689736031] [2022-11-20 09:33:09,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:09,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:33:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:33:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:33:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:33:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:33:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:11,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:33:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:33:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 09:33:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 09:33:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:33:11,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:33:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-20 09:33:11,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 09:33:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:33:11,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:33:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:33:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:33:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:33:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-20 09:33:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:33:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:33:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 09:33:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-20 09:33:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 09:33:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:33:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:33:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:33:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:33:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:33:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:33:11,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-20 09:33:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-20 09:33:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:11,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-20 09:33:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:12,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-20 09:33:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:12,242 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-11-20 09:33:12,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:12,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689736031] [2022-11-20 09:33:12,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689736031] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:33:12,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809779230] [2022-11-20 09:33:12,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:12,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:33:12,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:12,244 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:33:12,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-20 09:33:13,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:13,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 2501 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-20 09:33:13,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:13,436 INFO L350 Elim1Store]: Elim1 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 [2022-11-20 09:33:13,839 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2022-11-20 09:33:13,840 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:33:13,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809779230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:13,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 09:33:13,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [24] total 32 [2022-11-20 09:33:13,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551436510] [2022-11-20 09:33:13,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:13,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 09:33:13,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:13,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 09:33:13,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=923, Unknown=0, NotChecked=0, Total=992 [2022-11-20 09:33:13,842 INFO L87 Difference]: Start difference. First operand 3096 states and 3946 transitions. Second operand has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (33), 4 states have call predecessors, (33), 3 states have return successors, (31), 2 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 09:33:28,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:28,795 INFO L93 Difference]: Finished difference Result 6800 states and 8858 transitions. [2022-11-20 09:33:28,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-20 09:33:28,795 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (33), 4 states have call predecessors, (33), 3 states have return successors, (31), 2 states have call predecessors, (31), 3 states have call successors, (31) Word has length 256 [2022-11-20 09:33:28,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:28,806 INFO L225 Difference]: With dead ends: 6800 [2022-11-20 09:33:28,807 INFO L226 Difference]: Without dead ends: 4059 [2022-11-20 09:33:28,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=92, Invalid=1240, Unknown=0, NotChecked=0, Total=1332 [2022-11-20 09:33:28,814 INFO L413 NwaCegarLoop]: 1147 mSDtfsCounter, 566 mSDsluCounter, 5039 mSDsCounter, 0 mSdLazyCounter, 7528 mSolverCounterSat, 292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 723 SdHoareTripleChecker+Valid, 6186 SdHoareTripleChecker+Invalid, 7820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 7528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:28,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [723 Valid, 6186 Invalid, 7820 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [292 Valid, 7528 Invalid, 0 Unknown, 0 Unchecked, 12.9s Time] [2022-11-20 09:33:28,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4059 states. [2022-11-20 09:33:29,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4059 to 3092. [2022-11-20 09:33:29,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3092 states, 2059 states have (on average 1.1826129188926664) internal successors, (2435), 2112 states have internal predecessors, (2435), 713 states have call successors, (713), 294 states have call predecessors, (713), 314 states have return successors, (789), 700 states have call predecessors, (789), 711 states have call successors, (789) [2022-11-20 09:33:29,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 3092 states and 3937 transitions. [2022-11-20 09:33:29,954 INFO L78 Accepts]: Start accepts. Automaton has 3092 states and 3937 transitions. Word has length 256 [2022-11-20 09:33:29,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:29,954 INFO L495 AbstractCegarLoop]: Abstraction has 3092 states and 3937 transitions. [2022-11-20 09:33:29,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (33), 4 states have call predecessors, (33), 3 states have return successors, (31), 2 states have call predecessors, (31), 3 states have call successors, (31) [2022-11-20 09:33:29,955 INFO L276 IsEmpty]: Start isEmpty. Operand 3092 states and 3937 transitions. [2022-11-20 09:33:29,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-11-20 09:33:29,956 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:29,957 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:33:29,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:30,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2022-11-20 09:33:30,160 INFO L420 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)] === [2022-11-20 09:33:30,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:30,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1195227077, now seen corresponding path program 1 times [2022-11-20 09:33:30,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:30,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390552606] [2022-11-20 09:33:30,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:30,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:33:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:33:31,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:33:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:33:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:33:31,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:31,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:33:31,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:33:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 09:33:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 09:33:31,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:33:31,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:33:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-20 09:33:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 09:33:31,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:33:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:33:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:33:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:31,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:33:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:33:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-20 09:33:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:33:31,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:33:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 09:33:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-20 09:33:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 09:33:31,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:33:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:33:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:33:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:33:31,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:33:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:33:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:33:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-20 09:33:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-20 09:33:31,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:31,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-11-20 09:33:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:32,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-20 09:33:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:32,256 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-11-20 09:33:32,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:33:32,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390552606] [2022-11-20 09:33:32,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390552606] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:33:32,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:33:32,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-11-20 09:33:32,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850367683] [2022-11-20 09:33:32,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:33:32,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-20 09:33:32,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:33:32,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-20 09:33:32,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2022-11-20 09:33:32,269 INFO L87 Difference]: Start difference. First operand 3092 states and 3937 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) [2022-11-20 09:33:58,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:33:58,481 INFO L93 Difference]: Finished difference Result 7988 states and 10667 transitions. [2022-11-20 09:33:58,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-11-20 09:33:58,482 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 [2022-11-20 09:33:58,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:33:58,494 INFO L225 Difference]: With dead ends: 7988 [2022-11-20 09:33:58,495 INFO L226 Difference]: Without dead ends: 5251 [2022-11-20 09:33:58,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=405, Invalid=2045, Unknown=0, NotChecked=0, Total=2450 [2022-11-20 09:33:58,501 INFO L413 NwaCegarLoop]: 1599 mSDtfsCounter, 2203 mSDsluCounter, 18501 mSDsCounter, 0 mSdLazyCounter, 16741 mSolverCounterSat, 1809 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2488 SdHoareTripleChecker+Valid, 20100 SdHoareTripleChecker+Invalid, 18550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1809 IncrementalHoareTripleChecker+Valid, 16741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2022-11-20 09:33:58,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2488 Valid, 20100 Invalid, 18550 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1809 Valid, 16741 Invalid, 0 Unknown, 0 Unchecked, 22.6s Time] [2022-11-20 09:33:58,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5251 states. [2022-11-20 09:33:59,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5251 to 3106. [2022-11-20 09:33:59,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3106 states, 2065 states have (on average 1.1811138014527844) internal successors, (2439), 2117 states have internal predecessors, (2439), 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) [2022-11-20 09:33:59,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 3106 states and 3944 transitions. [2022-11-20 09:33:59,655 INFO L78 Accepts]: Start accepts. Automaton has 3106 states and 3944 transitions. Word has length 256 [2022-11-20 09:33:59,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:33:59,655 INFO L495 AbstractCegarLoop]: Abstraction has 3106 states and 3944 transitions. [2022-11-20 09:33:59,655 INFO L496 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) [2022-11-20 09:33:59,656 INFO L276 IsEmpty]: Start isEmpty. Operand 3106 states and 3944 transitions. [2022-11-20 09:33:59,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-11-20 09:33:59,658 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:33:59,658 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:33:59,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-11-20 09:33:59,659 INFO L420 AbstractCegarLoop]: === Iteration 44 === 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)] === [2022-11-20 09:33:59,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:59,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1154328359, now seen corresponding path program 1 times [2022-11-20 09:33:59,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:59,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887981684] [2022-11-20 09:33:59,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:59,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:34:00,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:34:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:34:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:34:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:34:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:34:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:34:00,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:34:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:34:00,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 09:34:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 09:34:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-20 09:34:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 09:34:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:34:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 09:34:00,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 09:34:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-20 09:34:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-20 09:34:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-20 09:34:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-20 09:34:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-20 09:34:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 09:34:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-20 09:34:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-20 09:34:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:00,569 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-11-20 09:34:00,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:00,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887981684] [2022-11-20 09:34:00,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887981684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:00,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:00,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-20 09:34:00,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881592704] [2022-11-20 09:34:00,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:00,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 09:34:00,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:00,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 09:34:00,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-11-20 09:34:00,571 INFO L87 Difference]: Start difference. First operand 3106 states and 3944 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) [2022-11-20 09:34:12,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:12,859 INFO L93 Difference]: Finished difference Result 6625 states and 8647 transitions. [2022-11-20 09:34:12,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-11-20 09:34:12,860 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 [2022-11-20 09:34:12,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:12,868 INFO L225 Difference]: With dead ends: 6625 [2022-11-20 09:34:12,869 INFO L226 Difference]: Without dead ends: 4298 [2022-11-20 09:34:12,872 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=259, Invalid=733, Unknown=0, NotChecked=0, Total=992 [2022-11-20 09:34:12,872 INFO L413 NwaCegarLoop]: 1175 mSDtfsCounter, 2181 mSDsluCounter, 7901 mSDsCounter, 0 mSdLazyCounter, 5833 mSolverCounterSat, 2063 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2289 SdHoareTripleChecker+Valid, 9076 SdHoareTripleChecker+Invalid, 7896 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2063 IncrementalHoareTripleChecker+Valid, 5833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:12,873 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2289 Valid, 9076 Invalid, 7896 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2063 Valid, 5833 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2022-11-20 09:34:12,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4298 states. [2022-11-20 09:34:13,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4298 to 3106. [2022-11-20 09:34:13,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3106 states, 2065 states have (on average 1.179176755447942) internal successors, (2435), 2117 states have internal predecessors, (2435), 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) [2022-11-20 09:34:13,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 3106 states and 3940 transitions. [2022-11-20 09:34:13,856 INFO L78 Accepts]: Start accepts. Automaton has 3106 states and 3940 transitions. Word has length 251 [2022-11-20 09:34:13,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:13,856 INFO L495 AbstractCegarLoop]: Abstraction has 3106 states and 3940 transitions. [2022-11-20 09:34:13,857 INFO L496 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) [2022-11-20 09:34:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 3106 states and 3940 transitions. [2022-11-20 09:34:13,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-11-20 09:34:13,858 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:13,859 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:34:13,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-11-20 09:34:13,859 INFO L420 AbstractCegarLoop]: === Iteration 45 === 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)] === [2022-11-20 09:34:13,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:13,859 INFO L85 PathProgramCache]: Analyzing trace with hash 653227768, now seen corresponding path program 1 times [2022-11-20 09:34:13,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:13,859 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616401013] [2022-11-20 09:34:13,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:13,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:34:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:34:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:34:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:34:14,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:34:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:34:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:34:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:34:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:34:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 09:34:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 09:34:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-20 09:34:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 09:34:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:14,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:34:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 09:34:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 09:34:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-20 09:34:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-20 09:34:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-20 09:34:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-20 09:34:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-20 09:34:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-20 09:34:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-11-20 09:34:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-11-20 09:34:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-20 09:34:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:14,570 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked. [2022-11-20 09:34:14,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:14,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616401013] [2022-11-20 09:34:14,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616401013] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:14,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:14,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 09:34:14,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350014222] [2022-11-20 09:34:14,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:14,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 09:34:14,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:14,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 09:34:14,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:34:14,572 INFO L87 Difference]: Start difference. First operand 3106 states and 3940 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) [2022-11-20 09:34:19,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:19,557 INFO L93 Difference]: Finished difference Result 3141 states and 3977 transitions. [2022-11-20 09:34:19,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 09:34:19,557 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 [2022-11-20 09:34:19,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:19,567 INFO L225 Difference]: With dead ends: 3141 [2022-11-20 09:34:19,568 INFO L226 Difference]: Without dead ends: 3139 [2022-11-20 09:34:19,569 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:34:19,570 INFO L413 NwaCegarLoop]: 796 mSDtfsCounter, 1709 mSDsluCounter, 2478 mSDsCounter, 0 mSdLazyCounter, 2176 mSolverCounterSat, 934 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1870 SdHoareTripleChecker+Valid, 3274 SdHoareTripleChecker+Invalid, 3110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 934 IncrementalHoareTripleChecker+Valid, 2176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:19,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1870 Valid, 3274 Invalid, 3110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [934 Valid, 2176 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-20 09:34:19,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3139 states. [2022-11-20 09:34:20,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3139 to 3120. [2022-11-20 09:34:20,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3120 states, 2076 states have (on average 1.176300578034682) internal successors, (2442), 2127 states have internal predecessors, (2442), 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) [2022-11-20 09:34:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 3120 states and 3947 transitions. [2022-11-20 09:34:20,724 INFO L78 Accepts]: Start accepts. Automaton has 3120 states and 3947 transitions. Word has length 267 [2022-11-20 09:34:20,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:20,724 INFO L495 AbstractCegarLoop]: Abstraction has 3120 states and 3947 transitions. [2022-11-20 09:34:20,724 INFO L496 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) [2022-11-20 09:34:20,724 INFO L276 IsEmpty]: Start isEmpty. Operand 3120 states and 3947 transitions. [2022-11-20 09:34:20,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-11-20 09:34:20,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:20,726 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:34:20,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-11-20 09:34:20,727 INFO L420 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)] === [2022-11-20 09:34:20,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:20,727 INFO L85 PathProgramCache]: Analyzing trace with hash -541214394, now seen corresponding path program 1 times [2022-11-20 09:34:20,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:20,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873871603] [2022-11-20 09:34:20,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:20,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:34:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:34:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:34:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:34:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:34:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:34:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:34:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:34:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:34:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 09:34:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 09:34:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-20 09:34:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:21,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 09:34:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:22,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:34:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 09:34:22,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 09:34:22,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-20 09:34:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-20 09:34:22,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-20 09:34:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-20 09:34:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-20 09:34:22,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 09:34:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:22,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:22,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-20 09:34:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-20 09:34:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:22,149 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 9 proven. 28 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-11-20 09:34:22,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:22,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873871603] [2022-11-20 09:34:22,150 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873871603] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:34:22,150 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724804045] [2022-11-20 09:34:22,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:22,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:34:22,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:22,151 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:34:22,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-20 09:34:23,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:23,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 2195 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-20 09:34:23,306 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:23,407 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2022-11-20 09:34:23,407 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:34:23,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724804045] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:23,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 09:34:23,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [24] total 25 [2022-11-20 09:34:23,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940666631] [2022-11-20 09:34:23,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:23,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-20 09:34:23,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:23,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-20 09:34:23,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=552, Unknown=0, NotChecked=0, Total=600 [2022-11-20 09:34:23,410 INFO L87 Difference]: Start difference. First operand 3120 states and 3947 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) [2022-11-20 09:34:25,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:25,213 INFO L93 Difference]: Finished difference Result 5474 states and 6850 transitions. [2022-11-20 09:34:25,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-20 09:34:25,213 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 [2022-11-20 09:34:25,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:25,223 INFO L225 Difference]: With dead ends: 5474 [2022-11-20 09:34:25,223 INFO L226 Difference]: Without dead ends: 3099 [2022-11-20 09:34:25,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=187, Invalid=1145, Unknown=0, NotChecked=0, Total=1332 [2022-11-20 09:34:25,229 INFO L413 NwaCegarLoop]: 1151 mSDtfsCounter, 85 mSDsluCounter, 18315 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 19466 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:25,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 19466 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 09:34:25,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3099 states. [2022-11-20 09:34:26,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3099 to 3099. [2022-11-20 09:34:26,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3099 states, 2061 states have (on average 1.1770984958757884) internal successors, (2426), 2111 states have internal predecessors, (2426), 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) [2022-11-20 09:34:26,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 3925 transitions. [2022-11-20 09:34:26,147 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 3925 transitions. Word has length 255 [2022-11-20 09:34:26,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:26,148 INFO L495 AbstractCegarLoop]: Abstraction has 3099 states and 3925 transitions. [2022-11-20 09:34:26,148 INFO L496 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) [2022-11-20 09:34:26,148 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 3925 transitions. [2022-11-20 09:34:26,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-11-20 09:34:26,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:26,150 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:34:26,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:26,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2022-11-20 09:34:26,351 INFO L420 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)] === [2022-11-20 09:34:26,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:26,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1801202948, now seen corresponding path program 1 times [2022-11-20 09:34:26,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:26,352 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748306500] [2022-11-20 09:34:26,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:26,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:34:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:34:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:34:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:34:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:34:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:34:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:34:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:34:26,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:34:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 09:34:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 09:34:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:26,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-20 09:34:26,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:26,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 09:34:26,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:34:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 09:34:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 09:34:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:26,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-11-20 09:34:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-11-20 09:34:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-11-20 09:34:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-11-20 09:34:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-11-20 09:34:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-11-20 09:34:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-20 09:34:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-20 09:34:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:26,920 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2022-11-20 09:34:26,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:26,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748306500] [2022-11-20 09:34:26,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748306500] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:34:26,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240160699] [2022-11-20 09:34:26,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:26,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:34:26,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:26,927 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:34:26,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-20 09:34:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:28,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 09:34:28,077 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:28,296 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2022-11-20 09:34:28,296 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:34:28,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240160699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:28,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 09:34:28,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 21 [2022-11-20 09:34:28,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309588882] [2022-11-20 09:34:28,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:28,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 09:34:28,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:28,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 09:34:28,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2022-11-20 09:34:28,299 INFO L87 Difference]: Start difference. First operand 3099 states and 3925 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) [2022-11-20 09:34:30,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:30,276 INFO L93 Difference]: Finished difference Result 5695 states and 7185 transitions. [2022-11-20 09:34:30,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 09:34:30,277 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 [2022-11-20 09:34:30,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:30,286 INFO L225 Difference]: With dead ends: 5695 [2022-11-20 09:34:30,286 INFO L226 Difference]: Without dead ends: 3358 [2022-11-20 09:34:30,291 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:34:30,292 INFO L413 NwaCegarLoop]: 1273 mSDtfsCounter, 223 mSDsluCounter, 13550 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 14823 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:30,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 14823 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 09:34:30,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3358 states. [2022-11-20 09:34:31,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3358 to 3115. [2022-11-20 09:34:31,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3115 states, 2075 states have (on average 1.1749397590361446) internal successors, (2438), 2123 states have internal predecessors, (2438), 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) [2022-11-20 09:34:31,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 3115 states and 3941 transitions. [2022-11-20 09:34:31,308 INFO L78 Accepts]: Start accepts. Automaton has 3115 states and 3941 transitions. Word has length 255 [2022-11-20 09:34:31,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:31,308 INFO L495 AbstractCegarLoop]: Abstraction has 3115 states and 3941 transitions. [2022-11-20 09:34:31,308 INFO L496 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) [2022-11-20 09:34:31,308 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 3941 transitions. [2022-11-20 09:34:31,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-11-20 09:34:31,310 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:31,311 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:34:31,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:31,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2022-11-20 09:34:31,512 INFO L420 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)] === [2022-11-20 09:34:31,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:31,512 INFO L85 PathProgramCache]: Analyzing trace with hash 394365953, now seen corresponding path program 1 times [2022-11-20 09:34:31,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:31,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920935029] [2022-11-20 09:34:31,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:31,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:34:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:34:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:34:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:34:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:34:32,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:32,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:32,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 09:34:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 09:34:32,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:32,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-20 09:34:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 09:34:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:34:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-20 09:34:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:32,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 09:34:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-20 09:34:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 09:34:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:32,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:34:32,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:34:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-20 09:34:32,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-11-20 09:34:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-11-20 09:34:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-11-20 09:34:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-11-20 09:34:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-20 09:34:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-20 09:34:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-11-20 09:34:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-11-20 09:34:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-11-20 09:34:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-20 09:34:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-11-20 09:34:32,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-20 09:34:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:32,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-11-20 09:34:32,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-11-20 09:34:32,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:32,932 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2022-11-20 09:34:32,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:32,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920935029] [2022-11-20 09:34:32,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920935029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:32,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:32,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-11-20 09:34:32,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566650368] [2022-11-20 09:34:32,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:32,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-20 09:34:32,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:32,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-20 09:34:32,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=420, Unknown=0, NotChecked=0, Total=462 [2022-11-20 09:34:32,934 INFO L87 Difference]: Start difference. First operand 3115 states and 3941 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) [2022-11-20 09:34:48,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:34:48,704 INFO L93 Difference]: Finished difference Result 7251 states and 9488 transitions. [2022-11-20 09:34:48,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-20 09:34:48,705 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 [2022-11-20 09:34:48,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:34:48,716 INFO L225 Difference]: With dead ends: 7251 [2022-11-20 09:34:48,716 INFO L226 Difference]: Without dead ends: 4558 [2022-11-20 09:34:48,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=327, Invalid=1653, Unknown=0, NotChecked=0, Total=1980 [2022-11-20 09:34:48,721 INFO L413 NwaCegarLoop]: 1314 mSDtfsCounter, 4282 mSDsluCounter, 15406 mSDsCounter, 0 mSdLazyCounter, 11695 mSolverCounterSat, 3129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4304 SdHoareTripleChecker+Valid, 16720 SdHoareTripleChecker+Invalid, 14824 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3129 IncrementalHoareTripleChecker+Valid, 11695 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:34:48,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4304 Valid, 16720 Invalid, 14824 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3129 Valid, 11695 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2022-11-20 09:34:48,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4558 states. [2022-11-20 09:34:49,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4558 to 3150. [2022-11-20 09:34:49,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3150 states, 2100 states have (on average 1.1728571428571428) internal successors, (2463), 2146 states have internal predecessors, (2463), 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) [2022-11-20 09:34:49,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3150 states to 3150 states and 3986 transitions. [2022-11-20 09:34:49,860 INFO L78 Accepts]: Start accepts. Automaton has 3150 states and 3986 transitions. Word has length 326 [2022-11-20 09:34:49,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:34:49,860 INFO L495 AbstractCegarLoop]: Abstraction has 3150 states and 3986 transitions. [2022-11-20 09:34:49,860 INFO L496 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) [2022-11-20 09:34:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 3986 transitions. [2022-11-20 09:34:49,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-11-20 09:34:49,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:34:49,863 INFO L195 NwaCegarLoop]: 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, 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] [2022-11-20 09:34:49,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-11-20 09:34:49,864 INFO L420 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)] === [2022-11-20 09:34:49,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:49,864 INFO L85 PathProgramCache]: Analyzing trace with hash -614489692, now seen corresponding path program 1 times [2022-11-20 09:34:49,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:49,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483359263] [2022-11-20 09:34:49,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:49,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:50,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:34:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:50,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:34:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:50,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:34:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:50,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:34:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:50,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:34:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:50,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:50,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:50,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:50,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 09:34:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 09:34:51,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-20 09:34:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 09:34:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:34:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:51,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-20 09:34:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:34:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:34:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 09:34:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-20 09:34:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 09:34:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:34:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:34:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:34:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:34:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:34:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:34:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-20 09:34:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-20 09:34:51,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-11-20 09:34:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:34:51,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:34:51,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:34:51,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:34:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:34:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:34:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-11-20 09:34:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-20 09:34:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:34:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:34:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:34:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:34:51,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:34:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:34:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-11-20 09:34:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-11-20 09:34:51,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-11-20 09:34:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-11-20 09:34:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:34:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-11-20 09:34:51,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-11-20 09:34:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:51,326 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1118 trivial. 0 not checked. [2022-11-20 09:34:51,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:34:51,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483359263] [2022-11-20 09:34:51,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483359263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:34:51,327 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:34:51,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-20 09:34:51,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30472742] [2022-11-20 09:34:51,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:34:51,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 09:34:51,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:34:51,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 09:34:51,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:34:51,329 INFO L87 Difference]: Start difference. First operand 3150 states and 3986 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) [2022-11-20 09:35:01,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:01,132 INFO L93 Difference]: Finished difference Result 7137 states and 9244 transitions. [2022-11-20 09:35:01,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 09:35:01,132 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 423 [2022-11-20 09:35:01,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:01,145 INFO L225 Difference]: With dead ends: 7137 [2022-11-20 09:35:01,146 INFO L226 Difference]: Without dead ends: 4049 [2022-11-20 09:35:01,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2022-11-20 09:35:01,152 INFO L413 NwaCegarLoop]: 1039 mSDtfsCounter, 1645 mSDsluCounter, 4123 mSDsCounter, 0 mSdLazyCounter, 3746 mSolverCounterSat, 1505 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1725 SdHoareTripleChecker+Valid, 5162 SdHoareTripleChecker+Invalid, 5251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1505 IncrementalHoareTripleChecker+Valid, 3746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:01,152 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1725 Valid, 5162 Invalid, 5251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1505 Valid, 3746 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-11-20 09:35:01,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4049 states. [2022-11-20 09:35:02,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4049 to 3159. [2022-11-20 09:35:02,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3159 states, 2109 states have (on average 1.1735419630156472) internal successors, (2475), 2155 states have internal predecessors, (2475), 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) [2022-11-20 09:35:02,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3159 states to 3159 states and 3998 transitions. [2022-11-20 09:35:02,443 INFO L78 Accepts]: Start accepts. Automaton has 3159 states and 3998 transitions. Word has length 423 [2022-11-20 09:35:02,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:02,443 INFO L495 AbstractCegarLoop]: Abstraction has 3159 states and 3998 transitions. [2022-11-20 09:35:02,443 INFO L496 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) [2022-11-20 09:35:02,443 INFO L276 IsEmpty]: Start isEmpty. Operand 3159 states and 3998 transitions. [2022-11-20 09:35:02,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-11-20 09:35:02,446 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:02,446 INFO L195 NwaCegarLoop]: 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, 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] [2022-11-20 09:35:02,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-11-20 09:35:02,446 INFO L420 AbstractCegarLoop]: === Iteration 50 === 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)] === [2022-11-20 09:35:02,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:02,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1049588174, now seen corresponding path program 1 times [2022-11-20 09:35:02,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:02,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249997934] [2022-11-20 09:35:02,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:02,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:02,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:35:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:35:03,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:35:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:35:03,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:35:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:03,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 09:35:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 09:35:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-20 09:35:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 09:35:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:03,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:35:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-20 09:35:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 09:35:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-20 09:35:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 09:35:03,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:35:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:35:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:35:03,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:35:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:35:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:35:03,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-20 09:35:03,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-20 09:35:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-11-20 09:35:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:35:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:35:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:35:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:35:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:35:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:35:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-11-20 09:35:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-11-20 09:35:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:35:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:35:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:35:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:35:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:35:03,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:35:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-11-20 09:35:03,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-11-20 09:35:03,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-11-20 09:35:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-11-20 09:35:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-11-20 09:35:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-11-20 09:35:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:03,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1120 trivial. 0 not checked. [2022-11-20 09:35:03,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:03,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249997934] [2022-11-20 09:35:03,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249997934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:03,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:03,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-20 09:35:03,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980063971] [2022-11-20 09:35:03,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:03,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 09:35:03,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:03,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 09:35:03,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-11-20 09:35:03,738 INFO L87 Difference]: Start difference. First operand 3159 states and 3998 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) [2022-11-20 09:35:13,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:13,601 INFO L93 Difference]: Finished difference Result 7155 states and 9268 transitions. [2022-11-20 09:35:13,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-20 09:35:13,602 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 431 [2022-11-20 09:35:13,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:13,612 INFO L225 Difference]: With dead ends: 7155 [2022-11-20 09:35:13,612 INFO L226 Difference]: Without dead ends: 4068 [2022-11-20 09:35:13,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2022-11-20 09:35:13,619 INFO L413 NwaCegarLoop]: 1040 mSDtfsCounter, 1369 mSDsluCounter, 4118 mSDsCounter, 0 mSdLazyCounter, 3763 mSolverCounterSat, 1232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1449 SdHoareTripleChecker+Valid, 5158 SdHoareTripleChecker+Invalid, 4995 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1232 IncrementalHoareTripleChecker+Valid, 3763 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:13,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1449 Valid, 5158 Invalid, 4995 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1232 Valid, 3763 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-11-20 09:35:13,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4068 states. [2022-11-20 09:35:14,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4068 to 3177. [2022-11-20 09:35:14,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3177 states, 2127 states have (on average 1.1753643629525152) internal successors, (2500), 2173 states have internal predecessors, (2500), 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) [2022-11-20 09:35:14,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 4023 transitions. [2022-11-20 09:35:14,839 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 4023 transitions. Word has length 431 [2022-11-20 09:35:14,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:14,840 INFO L495 AbstractCegarLoop]: Abstraction has 3177 states and 4023 transitions. [2022-11-20 09:35:14,840 INFO L496 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) [2022-11-20 09:35:14,840 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 4023 transitions. [2022-11-20 09:35:14,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-11-20 09:35:14,842 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:14,843 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:35:14,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-11-20 09:35:14,843 INFO L420 AbstractCegarLoop]: === Iteration 51 === 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)] === [2022-11-20 09:35:14,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:14,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1658207336, now seen corresponding path program 1 times [2022-11-20 09:35:14,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:14,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725333049] [2022-11-20 09:35:14,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:14,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:35:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:35:15,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:35:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:35:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:35:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:35:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:35:15,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:15,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:35:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:35:15,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 09:35:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 09:35:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:15,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-20 09:35:15,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:15,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:15,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 09:35:15,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:15,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:35:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 09:35:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 09:35:15,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:35:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:35:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:35:15,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 09:35:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-20 09:35:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-20 09:35:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-11-20 09:35:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-11-20 09:35:15,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-11-20 09:35:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-11-20 09:35:15,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-11-20 09:35:15,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-20 09:35:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:35:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:35:15,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:35:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-11-20 09:35:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-11-20 09:35:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:15,264 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2022-11-20 09:35:15,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:15,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725333049] [2022-11-20 09:35:15,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725333049] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:15,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:15,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-20 09:35:15,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017861866] [2022-11-20 09:35:15,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:15,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 09:35:15,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:15,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 09:35:15,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-20 09:35:15,267 INFO L87 Difference]: Start difference. First operand 3177 states and 4023 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) [2022-11-20 09:35:22,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:22,863 INFO L93 Difference]: Finished difference Result 5805 states and 7337 transitions. [2022-11-20 09:35:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 09:35:22,864 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 [2022-11-20 09:35:22,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:22,874 INFO L225 Difference]: With dead ends: 5805 [2022-11-20 09:35:22,874 INFO L226 Difference]: Without dead ends: 3456 [2022-11-20 09:35:22,879 INFO L412 NwaCegarLoop]: 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 [2022-11-20 09:35:22,879 INFO L413 NwaCegarLoop]: 881 mSDtfsCounter, 1993 mSDsluCounter, 4219 mSDsCounter, 0 mSdLazyCounter, 4052 mSolverCounterSat, 1821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2023 SdHoareTripleChecker+Valid, 5100 SdHoareTripleChecker+Invalid, 5873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1821 IncrementalHoareTripleChecker+Valid, 4052 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:22,880 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2023 Valid, 5100 Invalid, 5873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1821 Valid, 4052 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-11-20 09:35:22,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3456 states. [2022-11-20 09:35:24,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3456 to 3177. [2022-11-20 09:35:24,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3177 states, 2127 states have (on average 1.1744240714621532) internal successors, (2498), 2173 states have internal predecessors, (2498), 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) [2022-11-20 09:35:24,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 4021 transitions. [2022-11-20 09:35:24,103 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 4021 transitions. Word has length 311 [2022-11-20 09:35:24,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:24,104 INFO L495 AbstractCegarLoop]: Abstraction has 3177 states and 4021 transitions. [2022-11-20 09:35:24,104 INFO L496 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) [2022-11-20 09:35:24,104 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 4021 transitions. [2022-11-20 09:35:24,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2022-11-20 09:35:24,107 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:24,108 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:35:24,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-11-20 09:35:24,108 INFO L420 AbstractCegarLoop]: === Iteration 52 === 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)] === [2022-11-20 09:35:24,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:24,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1960650110, now seen corresponding path program 1 times [2022-11-20 09:35:24,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:24,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608839506] [2022-11-20 09:35:24,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:24,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:35:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:35:27,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:35:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:35:27,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:35:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:27,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 09:35:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 09:35:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-20 09:35:27,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 09:35:27,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:27,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:27,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:35:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-20 09:35:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 09:35:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-20 09:35:27,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 09:35:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:35:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:35:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:35:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:35:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:35:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:35:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-20 09:35:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-20 09:35:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-20 09:35:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:35:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:35:27,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:35:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:35:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:35:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:35:27,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-11-20 09:35:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-11-20 09:35:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:35:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:35:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:35:27,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:35:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:35:27,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:35:27,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-20 09:35:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-11-20 09:35:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:27,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-11-20 09:35:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:28,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-11-20 09:35:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:28,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:28,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-11-20 09:35:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:28,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-11-20 09:35:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:28,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-11-20 09:35:28,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:28,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608839506] [2022-11-20 09:35:28,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608839506] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:35:28,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768141979] [2022-11-20 09:35:28,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:28,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:35:28,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:28,115 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:35:28,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-20 09:35:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:32,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 3128 conjuncts, 100 conjunts are in the unsatisfiable core [2022-11-20 09:35:32,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:35:32,552 INFO L350 Elim1Store]: Elim1 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 [2022-11-20 09:35:32,561 INFO L350 Elim1Store]: Elim1 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 [2022-11-20 09:35:32,794 INFO L350 Elim1Store]: Elim1 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 28 treesize of output 10 [2022-11-20 09:35:32,797 INFO L350 Elim1Store]: Elim1 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 28 treesize of output 10 [2022-11-20 09:35:32,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2022-11-20 09:35:32,830 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:35:32,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768141979] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:32,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 09:35:32,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [29] total 35 [2022-11-20 09:35:32,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280467826] [2022-11-20 09:35:32,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:32,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-20 09:35:32,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:32,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-20 09:35:32,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=1108, Unknown=0, NotChecked=0, Total=1190 [2022-11-20 09:35:32,833 INFO L87 Difference]: Start difference. First operand 3177 states and 4021 transitions. Second operand has 16 states, 15 states have (on average 7.8) internal successors, (117), 12 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) [2022-11-20 09:35:55,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:35:55,511 INFO L93 Difference]: Finished difference Result 7977 states and 10852 transitions. [2022-11-20 09:35:55,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 09:35:55,511 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 7.8) internal successors, (117), 12 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 [2022-11-20 09:35:55,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:35:55,525 INFO L225 Difference]: With dead ends: 7977 [2022-11-20 09:35:55,526 INFO L226 Difference]: Without dead ends: 6271 [2022-11-20 09:35:55,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 623 GetRequests, 575 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=148, Invalid=2108, Unknown=0, NotChecked=0, Total=2256 [2022-11-20 09:35:55,530 INFO L413 NwaCegarLoop]: 1801 mSDtfsCounter, 1607 mSDsluCounter, 18242 mSDsCounter, 0 mSdLazyCounter, 13036 mSolverCounterSat, 922 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1735 SdHoareTripleChecker+Valid, 20043 SdHoareTripleChecker+Invalid, 13958 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 922 IncrementalHoareTripleChecker+Valid, 13036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-11-20 09:35:55,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1735 Valid, 20043 Invalid, 13958 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [922 Valid, 13036 Invalid, 0 Unknown, 0 Unchecked, 17.6s Time] [2022-11-20 09:35:55,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6271 states. [2022-11-20 09:35:56,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6271 to 3283. [2022-11-20 09:35:56,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3283 states, 2184 states have (on average 1.1717032967032968) internal successors, (2559), 2230 states have internal predecessors, (2559), 771 states have call successors, (771), 300 states have call predecessors, (771), 323 states have return successors, (845), 768 states have call predecessors, (845), 769 states have call successors, (845) [2022-11-20 09:35:56,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 3283 states and 4175 transitions. [2022-11-20 09:35:56,828 INFO L78 Accepts]: Start accepts. Automaton has 3283 states and 4175 transitions. Word has length 439 [2022-11-20 09:35:56,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:35:56,828 INFO L495 AbstractCegarLoop]: Abstraction has 3283 states and 4175 transitions. [2022-11-20 09:35:56,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 7.8) internal successors, (117), 12 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) [2022-11-20 09:35:56,828 INFO L276 IsEmpty]: Start isEmpty. Operand 3283 states and 4175 transitions. [2022-11-20 09:35:56,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-11-20 09:35:56,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:35:56,831 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:35:56,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-20 09:35:57,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:35:57,032 INFO L420 AbstractCegarLoop]: === Iteration 53 === 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)] === [2022-11-20 09:35:57,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:57,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1134208206, now seen corresponding path program 1 times [2022-11-20 09:35:57,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:57,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2461145] [2022-11-20 09:35:57,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:57,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:35:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:35:57,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:35:57,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:35:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:35:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:35:57,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:35:57,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:35:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:35:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 09:35:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 09:35:57,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:57,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-20 09:35:57,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:57,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 09:35:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:57,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:35:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 09:35:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 09:35:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:35:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:35:57,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:35:57,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 09:35:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:57,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-20 09:35:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-20 09:35:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:57,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 09:35:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-20 09:35:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-20 09:35:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-20 09:35:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-20 09:35:57,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-20 09:35:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-11-20 09:35:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-11-20 09:35:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:57,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:35:57,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-11-20 09:35:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-11-20 09:35:57,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:35:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:35:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:35:57,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2022-11-20 09:35:57,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:35:57,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2461145] [2022-11-20 09:35:57,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2461145] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:35:57,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:35:57,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-11-20 09:35:57,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096493850] [2022-11-20 09:35:57,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:35:57,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-20 09:35:57,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:35:57,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-20 09:35:57,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-11-20 09:35:57,629 INFO L87 Difference]: Start difference. First operand 3283 states and 4175 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) [2022-11-20 09:36:05,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:36:05,947 INFO L93 Difference]: Finished difference Result 6434 states and 8277 transitions. [2022-11-20 09:36:05,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-20 09:36:05,947 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 [2022-11-20 09:36:05,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:36:05,960 INFO L225 Difference]: With dead ends: 6434 [2022-11-20 09:36:05,960 INFO L226 Difference]: Without dead ends: 4085 [2022-11-20 09:36:05,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2022-11-20 09:36:05,967 INFO L413 NwaCegarLoop]: 1188 mSDtfsCounter, 1877 mSDsluCounter, 6365 mSDsCounter, 0 mSdLazyCounter, 4388 mSolverCounterSat, 1583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 7553 SdHoareTripleChecker+Invalid, 5971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1583 IncrementalHoareTripleChecker+Valid, 4388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:36:05,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1877 Valid, 7553 Invalid, 5971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1583 Valid, 4388 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-11-20 09:36:05,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4085 states. [2022-11-20 09:36:07,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4085 to 3171. [2022-11-20 09:36:07,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3171 states, 2104 states have (on average 1.1620722433460076) internal successors, (2445), 2148 states have internal predecessors, (2445), 741 states have call successors, (741), 296 states have call predecessors, (741), 321 states have return successors, (819), 742 states have call predecessors, (819), 739 states have call successors, (819) [2022-11-20 09:36:07,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3171 states to 3171 states and 4005 transitions. [2022-11-20 09:36:07,419 INFO L78 Accepts]: Start accepts. Automaton has 3171 states and 4005 transitions. Word has length 343 [2022-11-20 09:36:07,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:36:07,420 INFO L495 AbstractCegarLoop]: Abstraction has 3171 states and 4005 transitions. [2022-11-20 09:36:07,420 INFO L496 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) [2022-11-20 09:36:07,420 INFO L276 IsEmpty]: Start isEmpty. Operand 3171 states and 4005 transitions. [2022-11-20 09:36:07,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-11-20 09:36:07,422 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:36:07,423 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:36:07,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-11-20 09:36:07,423 INFO L420 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)] === [2022-11-20 09:36:07,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:07,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1261935611, now seen corresponding path program 1 times [2022-11-20 09:36:07,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:07,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041472488] [2022-11-20 09:36:07,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:07,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:07,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:36:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:36:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:36:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:36:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-20 09:36:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-11-20 09:36:07,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-11-20 09:36:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-20 09:36:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-11-20 09:36:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-11-20 09:36:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-11-20 09:36:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:36:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:36:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-20 09:36:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:36:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:36:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-11-20 09:36:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:36:07,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:36:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-11-20 09:36:07,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-11-20 09:36:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-11-20 09:36:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:36:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:36:07,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:36:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-11-20 09:36:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:07,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-11-20 09:36:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-11-20 09:36:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:36:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-11-20 09:36:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-11-20 09:36:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-11-20 09:36:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-11-20 09:36:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-11-20 09:36:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-11-20 09:36:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-11-20 09:36:08,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-11-20 09:36:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:36:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-11-20 09:36:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-11-20 09:36:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:08,100 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2022-11-20 09:36:08,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:36:08,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041472488] [2022-11-20 09:36:08,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041472488] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:36:08,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447321615] [2022-11-20 09:36:08,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:08,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:36:08,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:08,103 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:36:08,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-20 09:36:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:09,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 2457 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 09:36:09,372 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:09,618 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2022-11-20 09:36:09,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:36:09,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447321615] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:36:09,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 09:36:09,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 21 [2022-11-20 09:36:09,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242670914] [2022-11-20 09:36:09,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:36:09,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 09:36:09,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:36:09,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 09:36:09,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2022-11-20 09:36:09,620 INFO L87 Difference]: Start difference. First operand 3171 states and 4005 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) [2022-11-20 09:36:12,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:36:12,193 INFO L93 Difference]: Finished difference Result 5641 states and 7085 transitions. [2022-11-20 09:36:12,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-20 09:36:12,194 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 [2022-11-20 09:36:12,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:36:12,201 INFO L225 Difference]: With dead ends: 5641 [2022-11-20 09:36:12,201 INFO L226 Difference]: Without dead ends: 3450 [2022-11-20 09:36:12,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=113, Invalid=817, Unknown=0, NotChecked=0, Total=930 [2022-11-20 09:36:12,204 INFO L413 NwaCegarLoop]: 1275 mSDtfsCounter, 229 mSDsluCounter, 13567 mSDsCounter, 0 mSdLazyCounter, 487 mSolverCounterSat, 201 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 14842 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 201 IncrementalHoareTripleChecker+Valid, 487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 09:36:12,204 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 14842 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [201 Valid, 487 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 09:36:12,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3450 states. [2022-11-20 09:36:13,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3450 to 3177. [2022-11-20 09:36:13,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3177 states, 2108 states have (on average 1.161764705882353) internal successors, (2449), 2152 states have internal predecessors, (2449), 743 states have call successors, (743), 296 states have call predecessors, (743), 321 states have return successors, (821), 744 states have call predecessors, (821), 741 states have call successors, (821) [2022-11-20 09:36:13,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3177 states to 3177 states and 4013 transitions. [2022-11-20 09:36:13,448 INFO L78 Accepts]: Start accepts. Automaton has 3177 states and 4013 transitions. Word has length 331 [2022-11-20 09:36:13,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:36:13,448 INFO L495 AbstractCegarLoop]: Abstraction has 3177 states and 4013 transitions. [2022-11-20 09:36:13,448 INFO L496 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) [2022-11-20 09:36:13,449 INFO L276 IsEmpty]: Start isEmpty. Operand 3177 states and 4013 transitions. [2022-11-20 09:36:13,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2022-11-20 09:36:13,452 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:36:13,452 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:36:13,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-11-20 09:36:13,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2022-11-20 09:36:13,664 INFO L420 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)] === [2022-11-20 09:36:13,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:13,665 INFO L85 PathProgramCache]: Analyzing trace with hash -286645266, now seen corresponding path program 1 times [2022-11-20 09:36:13,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:13,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604051070] [2022-11-20 09:36:13,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:13,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:14,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:36:15,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:36:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:36:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:36:15,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-11-20 09:36:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:36:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:36:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-20 09:36:15,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-11-20 09:36:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:36:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:36:15,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-11-20 09:36:15,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-20 09:36:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:36:15,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:36:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-11-20 09:36:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:36:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:36:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-11-20 09:36:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-20 09:36:15,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 09:36:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-11-20 09:36:15,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-11-20 09:36:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-11-20 09:36:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:36:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:36:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:36:15,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:36:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:36:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:36:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-11-20 09:36:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-11-20 09:36:15,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-11-20 09:36:15,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:36:15,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:36:15,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:36:15,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:36:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:36:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:36:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-11-20 09:36:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-11-20 09:36:15,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:36:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:36:15,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:36:15,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:36:15,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:36:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-20 09:36:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-11-20 09:36:15,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-20 09:36:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-20 09:36:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:36:15,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 407 [2022-11-20 09:36:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2022-11-20 09:36:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-11-20 09:36:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-20 09:36:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2022-11-20 09:36:15,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-11-20 09:36:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:15,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 75 proven. 6 refuted. 0 times theorem prover too weak. 1247 trivial. 0 not checked. [2022-11-20 09:36:15,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:36:15,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604051070] [2022-11-20 09:36:15,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604051070] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 09:36:15,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2119129188] [2022-11-20 09:36:15,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:15,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:36:15,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:36:15,844 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 09:36:15,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-20 09:36:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:21,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 3180 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-20 09:36:21,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:36:22,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 230 proven. 3 refuted. 0 times theorem prover too weak. 1095 trivial. 0 not checked. [2022-11-20 09:36:22,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 09:36:22,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 72 proven. 6 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2022-11-20 09:36:22,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2119129188] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 09:36:22,957 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 09:36:22,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 9, 8] total 20 [2022-11-20 09:36:22,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043940713] [2022-11-20 09:36:22,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 09:36:22,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-11-20 09:36:22,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:36:22,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-11-20 09:36:22,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-11-20 09:36:22,962 INFO L87 Difference]: Start difference. First operand 3177 states and 4013 transitions. Second operand has 20 states, 19 states have (on average 8.473684210526315) internal successors, (161), 12 states have internal predecessors, (161), 5 states have call successors, (68), 8 states have call predecessors, (68), 5 states have return successors, (52), 6 states have call predecessors, (52), 5 states have call successors, (52) [2022-11-20 09:36:33,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:36:33,557 INFO L93 Difference]: Finished difference Result 6224 states and 7847 transitions. [2022-11-20 09:36:33,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-20 09:36:33,557 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.473684210526315) internal successors, (161), 12 states have internal predecessors, (161), 5 states have call successors, (68), 8 states have call predecessors, (68), 5 states have return successors, (52), 6 states have call predecessors, (52), 5 states have call successors, (52) Word has length 455 [2022-11-20 09:36:33,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:36:33,564 INFO L225 Difference]: With dead ends: 6224 [2022-11-20 09:36:33,564 INFO L226 Difference]: Without dead ends: 3290 [2022-11-20 09:36:33,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1087 GetRequests, 1050 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=201, Invalid=989, Unknown=0, NotChecked=0, Total=1190 [2022-11-20 09:36:33,569 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 1195 mSDsluCounter, 6850 mSDsCounter, 0 mSdLazyCounter, 6426 mSolverCounterSat, 1229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1195 SdHoareTripleChecker+Valid, 7637 SdHoareTripleChecker+Invalid, 7655 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1229 IncrementalHoareTripleChecker+Valid, 6426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:36:33,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1195 Valid, 7637 Invalid, 7655 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1229 Valid, 6426 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2022-11-20 09:36:33,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3290 states. [2022-11-20 09:36:34,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3290 to 3093. [2022-11-20 09:36:34,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3093 states, 2065 states have (on average 1.1627118644067798) internal successors, (2401), 2108 states have internal predecessors, (2401), 707 states have call successors, (707), 294 states have call predecessors, (707), 316 states have return successors, (772), 706 states have call predecessors, (772), 705 states have call successors, (772) [2022-11-20 09:36:34,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3093 states to 3093 states and 3880 transitions. [2022-11-20 09:36:34,793 INFO L78 Accepts]: Start accepts. Automaton has 3093 states and 3880 transitions. Word has length 455 [2022-11-20 09:36:34,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:36:34,794 INFO L495 AbstractCegarLoop]: Abstraction has 3093 states and 3880 transitions. [2022-11-20 09:36:34,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.473684210526315) internal successors, (161), 12 states have internal predecessors, (161), 5 states have call successors, (68), 8 states have call predecessors, (68), 5 states have return successors, (52), 6 states have call predecessors, (52), 5 states have call successors, (52) [2022-11-20 09:36:34,794 INFO L276 IsEmpty]: Start isEmpty. Operand 3093 states and 3880 transitions. [2022-11-20 09:36:34,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2022-11-20 09:36:34,798 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:36:34,798 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:36:34,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2022-11-20 09:36:35,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 09:36:35,021 INFO L420 AbstractCegarLoop]: === Iteration 56 === 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)] === [2022-11-20 09:36:35,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:36:35,022 INFO L85 PathProgramCache]: Analyzing trace with hash -250253485, now seen corresponding path program 1 times [2022-11-20 09:36:35,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:36:35,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233792638] [2022-11-20 09:36:35,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:36:35,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:36:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:35,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 09:36:35,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:35,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 09:36:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:35,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-11-20 09:36:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:35,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-11-20 09:36:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:36:35,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [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={110680464442257309899:110680464442257309881}, arg0={-55340232221128654847:0}, arg0={-55340232221128654847:0}, data={-55340232221128654847:0}, 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, 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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, s={-55340232221128654847:0}, 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={110680464442257309899:110680464442257309881}, arg0={-55340232221128654847:0}, arg0={-55340232221128654847:0}, data={-55340232221128654847:0}, 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, 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] [L6191] CALL, EXPR ldv_xmalloc(1552UL) VAL [\old(size)=1552, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, res={-18446744073709551613:0}, rtnllocknumber=0, size=1552, tmp={-18446744073709551613:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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] [L8468] RET ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(size)=1552, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-18446744073709551613:0}, rtnllocknumber=0, size=1552, tmp={-18446744073709551613:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, ptr={-18446744073709551613:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-18446744073709551613:0}, ptr={-18446744073709551613:0}, 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={110680464442257309899:110680464442257309881}, 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, 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={-18446744073709551613:0}, rtnllocknumber=0, size=1552, tmp={-18446744073709551613:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, 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)=1552, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-18446744073709551613:0}, rtnllocknumber=0, size=1552, tmp={-18446744073709551613:0}, 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={-18446744073709551613:0}, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-18446744073709551613:0}, rtnllocknumber=0, size=1552, tmp={-18446744073709551613:0}, 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={110680464442257309899:110680464442257309881}, arg0={-55340232221128654847:0}, arg0={-55340232221128654847:0}, data={-55340232221128654847:0}, 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, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_xmalloc(1552UL)={-18446744073709551613:0}, 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={110680464442257309899:110680464442257309881}, arg0={-55340232221128654847:0}, arg0={-55340232221128654847:0}, data={-55340232221128654847:0}, 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={-18446744073709551613:0}, 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={-18446744073709551613:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-36893488143124135937:0}, rtnllocknumber=0, size=2024, tmp={-36893488143124135937:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, 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] [L8468] RET ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(size)=2024, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-36893488143124135937:0}, rtnllocknumber=0, size=2024, tmp={-36893488143124135937:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, ptr={-36893488143124135937:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, ptr={-36893488143124135937:0}, ptr={-36893488143124135937:0}, 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={110680464442257309899:110680464442257309881}, 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={-36893488143124135937:0}, rtnllocknumber=0, size=2024, tmp={-36893488143124135937:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, 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] [L8470] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=2024, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-36893488143124135937:0}, rtnllocknumber=0, size=2024, tmp={-36893488143124135937:0}, 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={-36893488143124135937:0}, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-36893488143124135937:0}, rtnllocknumber=0, size=2024, tmp={-36893488143124135937:0}, 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={110680464442257309899:110680464442257309881}, arg0={-55340232221128654847:0}, arg0={-55340232221128654847:0}, data={-55340232221128654847:0}, 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={-18446744073709551613:0}, 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}, ldv_xmalloc(2024UL)={-36893488143124135937:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551613:0}, 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={110680464442257309899:110680464442257309881}, arg0={-55340232221128654847:0}, arg0={-55340232221128654847:0}, data={-55340232221128654847:0}, 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={-18446744073709551613:0}, ldv_1_usb_device_usb_device={-36893488143124135937:0}, 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={-18446744073709551613:0}, tmp___0={-36893488143124135937:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-55340232216833687553:0}, rtnllocknumber=0, size=32, tmp={-55340232216833687553:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-55340232216833687553:0}, rtnllocknumber=0, size=32, tmp={-55340232216833687553:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-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] [L8469] RET, EXPR ldv_is_err((void const *)res) VAL [\old(size)=32, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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={-55340232216833687553:0}, rtnllocknumber=0, size=32, tmp={-55340232216833687553:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, 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] [L8470] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=32, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-55340232216833687553:0}, rtnllocknumber=0, size=32, tmp={-55340232216833687553:0}, 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={-55340232216833687553:0}, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-55340232216833687553:0}, rtnllocknumber=0, size=32, tmp={-55340232216833687553:0}, 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={110680464442257309899:110680464442257309881}, arg0={-55340232221128654847:0}, arg0={-55340232221128654847:0}, data={-55340232221128654847:0}, 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={-18446744073709551613:0}, ldv_1_usb_device_usb_device={-36893488143124135937:0}, 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, ldv_xmalloc(32UL)={-55340232216833687553:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551613:0}, tmp___0={-36893488143124135937:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L7861] ldv_linux_net_register_probe_state = 0 VAL [\old(ldv_linux_net_register_probe_state)=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L6716] RET ldv_linux_net_register_reset_error_counter() VAL [__ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L8291] ldv_linux_usb_register_probe_state = 0 VAL [\old(ldv_linux_usb_register_probe_state)=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] RET ldv_linux_usb_register_reset_error_counter() VAL [__ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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={-36893488143124135937:-277641}, __ldv_in_interrupt_context=0, __mptr={-36893488143124135937:135}, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, intf={-18446744073709551613:0}, intf={-18446744073709551613:0}, 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, 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={97:0}, __key___0={99:0}, __key___1={95:0}, __key___2={94:0}, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, dev={0:0}, get_version_reply={93:0}, id={-55340232216833687553:0}, id={-55340232216833687553:0}, idev={-18446744073709551613:43}, interface={-18446744073709551613:0}, interface={-18446744073709551613:0}, 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={-36893488143124135937:-277641}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, udev={-36893488143124135937:-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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L6281] void *res ; VAL [\old(flags)=208, \old(size)=536, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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, 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=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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L4065] CALL ldv_linux_alloc_irq_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L6740] bool tmp ; [L6741] int tmp___0 ; VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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={0:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L7739] return (__ldv_in_interrupt_context); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L6744] RET, EXPR ldv_in_interrupt_context() VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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={0:0}, 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] 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={110680464442257309899:110680464442257309881}, 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, 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={110680464442257309899:110680464442257309881}, 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={0:0}, 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] [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={110680464442257309899:110680464442257309881}, 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, 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] CALL ldv_linux_alloc_usb_lock_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L6807] COND FALSE !(ldv_linux_alloc_usb_lock_lock == 2) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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={0:0}, 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={110680464442257309899:110680464442257309881}, 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] [L6284] RET ldv_check_alloc_flags(flags) VAL [\old(flags)=208, \old(size)=536, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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=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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, 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={110680464442257309899:110680464442257309881}, 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, 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] [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={110680464442257309899:110680464442257309881}, 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, 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={110680464442257309899:110680464442257309881}, 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, 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={97:0}, __key___0={99:0}, __key___1={95:0}, __key___2={94:0}, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, dev={0:0}, get_version_reply={93:0}, id={-55340232216833687553:0}, id={-55340232216833687553:0}, idev={-18446744073709551613:43}, interface={-18446744073709551613:0}, interface={-18446744073709551613:0}, 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={0:0}, 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, retval=-12, rtnllocknumber=0, tmp={-36893488143124135937:-277641}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, udev={-36893488143124135937:-277641}, write_buffer_size=480] [L5383] tmp___0 = kmalloc(536UL, 208U) [L5384] dev = (struct lego_usb_tower *)tmp___0 VAL [__key={97:0}, __key___0={99:0}, __key___1={95:0}, __key___2={94:0}, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, dev={0:0}, get_version_reply={93:0}, id={-55340232216833687553:0}, id={-55340232216833687553:0}, idev={-18446744073709551613:43}, interface={-18446744073709551613:0}, interface={-18446744073709551613:0}, 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, retval=-12, rtnllocknumber=0, tmp={-36893488143124135937:-277641}, tmp___0={0:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, udev={-36893488143124135937:-277641}, write_buffer_size=480] [L5386] COND TRUE (unsigned long )dev == (unsigned long )((struct lego_usb_tower *)0) VAL [__key={97:0}, __key___0={99:0}, __key___1={95:0}, __key___2={94:0}, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, dev={0:0}, get_version_reply={93:0}, id={-55340232216833687553:0}, id={-55340232216833687553:0}, idev={-18446744073709551613:43}, interface={-18446744073709551613:0}, interface={-18446744073709551613:0}, 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, 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={-36893488143124135937:-277641}, tmp___0={0:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, udev={-36893488143124135937:-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={110680464442257309899:110680464442257309881}, dev={0:0}, id={-55340232216833687553:0}, id={-55340232216833687553:0}, idev={-18446744073709551613:43}, interface={-18446744073709551613:0}, interface={-18446744073709551613:0}, 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, 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={-36893488143124135937:-277641}, tmp___0={0:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, udev={-36893488143124135937:-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={110680464442257309899:110680464442257309881}, arg0={-1:7}, arg0={-1:7}, arg1={-18446744073709551613:0}, arg1={-18446744073709551613:0}, arg2={-55340232216833687553:0}, arg2={-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={0:0}, 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=-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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L7861] ldv_linux_net_register_probe_state = 0 VAL [\old(ldv_linux_net_register_probe_state)=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L7875] RET ldv_linux_net_register_reset_error_counter() VAL [\old(retval)=-12, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L8291] ldv_linux_usb_register_probe_state = 0 VAL [\old(ldv_linux_usb_register_probe_state)=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L8305] RET ldv_linux_usb_register_reset_error_counter() VAL [\old(retval)=-12, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, 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] [L7684] RET ldv_assume(val <= 0) VAL [\old(val)=-12, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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}, val=-12, write_buffer_size=480] [L7686] return (val); VAL [\old(val)=-12, \result=-12, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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}, 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={110680464442257309899:110680464442257309881}, 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={0:0}, 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, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, s={-55340232216833687553:0}, 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={110680464442257309899:110680464442257309881}, arg0={-55340232221128654847:0}, arg0={-55340232221128654847:0}, data={-55340232221128654847:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_container_usb_driver={90:0}, ldv_1_ldv_param_13_1_default={-55340232216833687553:0}, ldv_1_probe_retval_default=-12, ldv_1_reset_flag_default=0, ldv_1_resource_usb_interface={-18446744073709551613:0}, ldv_1_usb_device_usb_device={-36893488143124135937:0}, 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, tmp={-18446744073709551613:0}, tmp___0={-36893488143124135937:0}, tmp___1={-55340232216833687553:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L6205] RET, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, arg0={-55340232221128654847:0}, arg0={-55340232221128654847:0}, data={-55340232221128654847:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_container_usb_driver={90:0}, ldv_1_ldv_param_13_1_default={-55340232216833687553:0}, ldv_1_probe_retval_default=-12, ldv_1_reset_flag_default=0, ldv_1_resource_usb_interface={-18446744073709551613:0}, ldv_1_usb_device_usb_device={-36893488143124135937:0}, 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, 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={-18446744073709551613:0}, tmp___0={-36893488143124135937:0}, tmp___1={-55340232216833687553:0}, 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={110680464442257309899:110680464442257309881}, arg0={-55340232221128654847:0}, arg0={-55340232221128654847:0}, data={-55340232221128654847:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_container_usb_driver={90:0}, ldv_1_ldv_param_13_1_default={-55340232216833687553:0}, ldv_1_probe_retval_default=-12, ldv_1_reset_flag_default=0, ldv_1_resource_usb_interface={-18446744073709551613:0}, ldv_1_usb_device_usb_device={-36893488143124135937:0}, 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={-18446744073709551613:0}, tmp___0={-36893488143124135937:0}, tmp___1={-55340232216833687553:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, 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] [L6268] RET ldv_assume(ldv_1_probe_retval_default != 0) VAL [__ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, arg0={-55340232221128654847:0}, arg0={-55340232221128654847:0}, data={-55340232221128654847:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_container_usb_driver={90:0}, ldv_1_ldv_param_13_1_default={-55340232216833687553:0}, ldv_1_probe_retval_default=-12, ldv_1_reset_flag_default=0, ldv_1_resource_usb_interface={-18446744073709551613:0}, ldv_1_usb_device_usb_device={-36893488143124135937:0}, 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, rtnllocknumber=0, tmp={-18446744073709551613:0}, tmp___0={-36893488143124135937:0}, tmp___1={-55340232216833687553:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, s={-18446744073709551613:0}, 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={110680464442257309899:110680464442257309881}, arg0={-55340232221128654847:0}, arg0={-55340232221128654847:0}, data={-55340232221128654847:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_container_usb_driver={90:0}, ldv_1_ldv_param_13_1_default={-55340232216833687553:0}, ldv_1_probe_retval_default=-12, ldv_1_reset_flag_default=0, ldv_1_resource_usb_interface={-18446744073709551613:0}, ldv_1_usb_device_usb_device={-36893488143124135937:0}, 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={-18446744073709551613:0}, tmp___0={-36893488143124135937:0}, tmp___1={-55340232216833687553:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-36893488143124135937:0}, 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={110680464442257309899:110680464442257309881}, arg0={-55340232221128654847:0}, arg0={-55340232221128654847:0}, data={-55340232221128654847:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_1_container_usb_driver={90:0}, ldv_1_ldv_param_13_1_default={-55340232216833687553:0}, ldv_1_probe_retval_default=-12, ldv_1_reset_flag_default=0, ldv_1_resource_usb_interface={-18446744073709551613:0}, ldv_1_usb_device_usb_device={-36893488143124135937:0}, 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={-18446744073709551613:0}, tmp___0={-36893488143124135937:0}, tmp___1={-55340232216833687553:0}, 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)=-4, \result=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, arg0=0, arg1={90:0}, arg1={90:0}, arg2={110680464442257309899:110680464442257309881}, arg2={110680464442257309899:110680464442257309881}, 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={0:0}, 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=-6, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={90:0}, ldv_func_arg1={90:0}, ldv_func_arg2={110680464442257309899:110680464442257309881}, ldv_func_arg2={110680464442257309899:110680464442257309881}, ldv_func_arg3={82:0}, ldv_func_arg3={82:0}, ldv_func_res=-4, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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=-4, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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=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={110680464442257309899:110680464442257309881}, arg0={110680464442257309905:110680464442257309898}, arg0={110680464442257309905:110680464442257309898}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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={110680464442257309899:110680464442257309881}, 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, 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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L6640] RET ldv_linux_net_register_reset_error_counter() VAL [\old(ldv_func_arg1)=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L8291] ldv_linux_usb_register_probe_state = 0 VAL [\old(ldv_linux_usb_register_probe_state)=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L6641] RET ldv_linux_usb_register_reset_error_counter() VAL [\old(ldv_func_arg1)=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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, 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] [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={110680464442257309899:110680464442257309881}, 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, 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] [L7694] CALL, EXPR ldv_filter_positive_int(init_ret_val) VAL [\old(val)=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L7684] CALL ldv_assume(val <= 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, 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] [L7684] RET ldv_assume(val <= 0) VAL [\old(val)=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L7686] return (val); VAL [\old(val)=0, \result=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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}, 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={110680464442257309899:110680464442257309881}, 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={0:0}, 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] [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={110680464442257309899:110680464442257309881}, 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={0:0}, 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] [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={110680464442257309899:110680464442257309881}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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=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 [={110680464442257309905:110680464442257309898}, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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, 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 [={110680464442257309905:110680464442257309898}, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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, 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=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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, 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] [L5755] RET ldv_assume(ldv_5_ret_default == 0) VAL [={110680464442257309905:110680464442257309898}, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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={0:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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=-8, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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=-8, 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 [={110680464442257309905:110680464442257309898}, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_undef_int()=-8, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L5726] CALL, EXPR ldv_xmalloc(4UL) VAL [\old(size)=4, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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)=4, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, 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={110680464442257309899:110680464442257309881}, 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={-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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, 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] [L8470] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=4, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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_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={110680464442257309899:110680464442257309881}, 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={0:0}, 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] [L5822] CALL, EXPR ldv_xmalloc(504UL) VAL [\old(size)=504, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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] [L8468] RET ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(size)=504, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, 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={110680464442257309899:110680464442257309881}, 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={-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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, 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] [L8470] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=504, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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}, 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={110680464442257309899:110680464442257309881}, 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={0:0}, 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_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={110680464442257309899:110680464442257309881}, 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={0:0}, 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}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-73786976294838206463:0}, rtnllocknumber=0, size=976, tmp={-73786976294838206463:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, 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)=976, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-73786976294838206463:0}, rtnllocknumber=0, size=976, tmp={-73786976294838206463:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-73786976294838206463:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-73786976294838206463:0}, ptr={-73786976294838206463:0}, 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={110680464442257309899:110680464442257309881}, 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, 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={-73786976294838206463:0}, rtnllocknumber=0, size=976, tmp={-73786976294838206463:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, 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)=976, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-73786976294838206463:0}, rtnllocknumber=0, size=976, tmp={-73786976294838206463:0}, 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={-73786976294838206463:0}, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-73786976294838206463:0}, rtnllocknumber=0, size=976, tmp={-73786976294838206463:0}, 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={110680464442257309899:110680464442257309881}, 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, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_xmalloc(976UL)={-73786976294838206463:0}, 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={110680464442257309899:110680464442257309881}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-73786976294838206463:0}, 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={0:0}, 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={-73786976294838206463:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=-9, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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=-9, 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={110680464442257309899:110680464442257309881}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-73786976294838206463:0}, 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={0:0}, 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()=-9, 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={-73786976294838206463:0}, 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={110680464442257309899:110680464442257309881}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-73786976294838206463:0}, ldv_0_ret_default=1, ldv_0_size_cnt_struct_device_ptr={0:-9}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-73786976294838206463:0}, tmp___1=-9, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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=-10, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, tmp=-10, 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={110680464442257309899:110680464442257309881}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-73786976294838206463:0}, ldv_0_ret_default=1, ldv_0_size_cnt_struct_device_ptr={0:-9}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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()=-10, 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={-73786976294838206463:0}, tmp___1=-9, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-73786976294838206463:0}, ldv_func_arg1={-73786976294838206463:0}, 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={0:0}, 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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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=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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=-11, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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=-11, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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_undef_int()=-11, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-92233720368547758079:0}, rtnllocknumber=0, size=1468, tmp={-92233720368547758079:0}, tmp___1=-11, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, 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] [L8406] RET ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(size)=1468, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-92233720368547758079:0}, rtnllocknumber=0, size=1468, tmp={-92233720368547758079:0}, tmp___1=-11, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, ptr={-92233720368547758079:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, ptr={-92233720368547758079:0}, ptr={-92233720368547758079:0}, 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={110680464442257309899:110680464442257309881}, 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, 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={-92233720368547758079:0}, rtnllocknumber=0, size=1468, tmp={-92233720368547758079:0}, tmp___1=-11, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, 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] [L8408] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=1468, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-92233720368547758079:0}, rtnllocknumber=0, size=1468, tmp={-92233720368547758079:0}, tmp___0=0, tmp___1=-11, 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={-92233720368547758079:0}, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-92233720368547758079:0}, rtnllocknumber=0, size=1468, tmp={-92233720368547758079:0}, tmp___0=0, tmp___1=-11, 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)=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, arg0={90:0}, arg0={90:0}, arg1=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_malloc(sizeof(struct usb_interface))={-92233720368547758079:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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={110680464442257309899:110680464442257309881}, 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={0:0}, 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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, 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={110680464442257309899:110680464442257309881}, 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, 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] [L4589] RET ldv_mutex_lock_98(& open_disc_mutex) [L4590] CALL, EXPR usb_get_intfdata(interface) VAL [__ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, intf={-92233720368547758079:0}, intf={-92233720368547758079:0}, 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={110680464442257309899:110680464442257309881}, dev={0:0}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-73786976294838206463:0}, inode={-73786976294838206463:0}, interface={-92233720368547758079:0}, 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={0:0}, 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={101:0}, retval=0, rtnllocknumber=0, subminor=0, tmp=0, 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={110680464442257309899:110680464442257309881}, dev={-18446744073709551590:-25}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-73786976294838206463:0}, inode={-73786976294838206463:0}, interface={-92233720368547758079:0}, 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={101:0}, retval=0, rtnllocknumber=0, subminor=0, tmp=0, 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={110680464442257309899:110680464442257309881}, 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, 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] 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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={110680464442257309899:110680464442257309881}, 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, 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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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=-13, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, tmp=-13, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, ldv_undef_int()=-13, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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={-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=-13, 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={110680464442257309899:110680464442257309881}, 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={0:0}, 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] 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={110680464442257309899:110680464442257309881}, 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, 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=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={110680464442257309899:110680464442257309881}, dev={-18446744073709551590:-25}, dev->open_count=0, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-73786976294838206463:0}, inode={-73786976294838206463:0}, interface={-92233720368547758079:0}, 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={0:0}, 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={101:0}, retval=0, rtnllocknumber=0, subminor=0, tmp=0, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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] [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={110680464442257309899:110680464442257309881}, 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, 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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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}, 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={110680464442257309899:110680464442257309881}, 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={110680464442257309899:110680464442257309881}, dev={-18446744073709551590:-25}, dev->udev={-110680464442257309666:-30}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-73786976294838206463:0}, inode={-73786976294838206463:0}, interface={-92233720368547758079:0}, 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={0:0}, 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={101:0}, retval=0, rtnllocknumber=0, subminor=0, tmp=0, 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={110680464442257309899:110680464442257309881}, dev={-110680464442257309666:-30}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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] [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)=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, dev={-18446744073709551590:-25}, dev->udev={-110680464442257309666:-30}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-73786976294838206463:0}, inode={-73786976294838206463:0}, interface={-92233720368547758079:0}, 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={101:0}, retval=0, rtnllocknumber=0, subminor=0, tmp=0, 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={110680464442257309899:110680464442257309881}, dev={-18446744073709551590:-25}, dev->udev={-110680464442257309666:-30}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-73786976294838206463:0}, inode={-73786976294838206463:0}, interface={-92233720368547758079:0}, 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={0:0}, 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={101:0}, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, 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(arg1)=2147483776, \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={110680464442257309899:110680464442257309881}, arg0={-110680464442257309666:-30}, arg6={101:0}, 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, 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={110680464442257309899:110680464442257309881}, dev={-18446744073709551590:-25}, dev->udev={-110680464442257309666:-30}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-73786976294838206463:0}, inode={-73786976294838206463:0}, interface={-92233720368547758079:0}, 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={101:0}, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, 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={110680464442257309899:110680464442257309881}, dev={-18446744073709551590:-25}, dev->interrupt_in_endpoint={110680464442257309853:-7}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-73786976294838206463:0}, inode={-73786976294838206463:0}, interface={-92233720368547758079:0}, 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={101:0}, result=0, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, 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={110680464442257309899:110680464442257309881}, epd={110680464442257309853:-7}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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] [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={110680464442257309899:110680464442257309881}, dev={-18446744073709551590:-25}, dev->interrupt_in_endpoint={110680464442257309853:-7}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-73786976294838206463:0}, inode={-73786976294838206463:0}, interface={-92233720368547758079:0}, 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={101:0}, result=0, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, 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)=106, 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=257, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, dev={-18446744073709551590:-25}, dev->interrupt_in_endpoint={110680464442257309853:-7}, dev->udev={-110680464442257309666:-30}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-73786976294838206463:0}, inode={-73786976294838206463:0}, interface={-92233720368547758079:0}, 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, 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={101:0}, result=0, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, tmp___3=106, 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)=1, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, dev={-110680464442257309666:-30}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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, 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=257, __create_pipe(dev->udev, (unsigned int )(dev->interrupt_in_endpoint)->bEndpointAddress)=32768, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, dev={-18446744073709551590:-25}, dev->interrupt_in_endpoint={110680464442257309853:-7}, dev->udev={-110680464442257309666:-30}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-73786976294838206463:0}, inode={-73786976294838206463:0}, interface={-92233720368547758079:0}, 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={101:0}, result=0, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, tmp___3=106, 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={110680464442257309899:110680464442257309881}, dev={-18446744073709551590:-25}, dev->interrupt_in_buffer={110680464442257309868:110680464442257309889}, dev->interrupt_in_interval=16, dev->interrupt_in_urb={-110680464442257309666:110680464442257309667}, dev->udev={-110680464442257309666:-30}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-73786976294838206463:0}, inode={-73786976294838206463:0}, interface={-92233720368547758079:0}, 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={0:0}, 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={101:0}, result=0, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, tmp___3=106, tmp___4=32768, 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)=106, \old(interval)=16, \old(pipe)=1073741952, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, complete_fn={-1:9}, context={-18446744073709551590:-25}, dev={-110680464442257309666:-30}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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}, transfer_buffer={110680464442257309868:110680464442257309889}, urb={-110680464442257309666:110680464442257309667}, 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 VAL [(unsigned int )dev->speed == 3U || (unsigned int )dev->speed == 5U=1, \old(buffer_length)=106, \old(interval)=16, \old(pipe)=1073741952, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, buffer_length=106, complete_fn={-1:9}, complete_fn={-1:9}, context={-18446744073709551590:-25}, context={-18446744073709551590:-25}, dev={-110680464442257309666:-30}, dev={-110680464442257309666:-30}, dev->speed=4294967299, interrupt_in_interval=2, interrupt_out_interval=8, interval=16, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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, pipe=1073741952, 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={110680464442257309868:110680464442257309889}, transfer_buffer={110680464442257309868:110680464442257309889}, urb={-110680464442257309666:110680464442257309667}, urb={-110680464442257309666:110680464442257309667}, write_buffer_size=480] [L4419] COND TRUE (unsigned int )dev->speed == 3U || (unsigned int )dev->speed == 5U [L4420] _max1 = interval [L4421] _max2 = 1 [L4422] _min1 = _max1 > _max2 ? _max1 : _max2 [L4423] _min2 = 16 [L4424] interval = _min1 < _min2 ? _min1 : _min2 [L4425] urb->interval = 1 << (interval + -1) VAL [\old(buffer_length)=106, \old(interval)=16, \old(pipe)=1073741952, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, _max1=16, _max2=1, _min1=16, _min2=16, buffer_length=106, complete_fn={-1:9}, complete_fn={-1:9}, context={-18446744073709551590:-25}, context={-18446744073709551590:-25}, dev={-110680464442257309666:-30}, dev={-110680464442257309666:-30}, interrupt_in_interval=2, interrupt_out_interval=8, interval=16, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, pipe=1073741952, 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={110680464442257309868:110680464442257309889}, transfer_buffer={110680464442257309868:110680464442257309889}, urb={-110680464442257309666:110680464442257309667}, urb={-110680464442257309666:110680464442257309667}, write_buffer_size=480] [L4429] urb->start_frame = -1 VAL [\old(buffer_length)=106, \old(interval)=16, \old(pipe)=1073741952, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, _max1=16, _max2=1, _min1=16, _min2=16, buffer_length=106, complete_fn={-1:9}, complete_fn={-1:9}, context={-18446744073709551590:-25}, context={-18446744073709551590:-25}, dev={-110680464442257309666:-30}, dev={-110680464442257309666:-30}, interrupt_in_interval=2, interrupt_out_interval=8, interval=16, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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, pipe=1073741952, 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={110680464442257309868:110680464442257309889}, transfer_buffer={110680464442257309868:110680464442257309889}, urb={-110680464442257309666:110680464442257309667}, urb={-110680464442257309666:110680464442257309667}, 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={110680464442257309899:110680464442257309881}, dev={-18446744073709551590:-25}, dev->interrupt_in_buffer={110680464442257309868:110680464442257309889}, dev->interrupt_in_interval=16, dev->interrupt_in_urb={-110680464442257309666:110680464442257309667}, dev->udev={-110680464442257309666:-30}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-73786976294838206463:0}, inode={-73786976294838206463:0}, interface={-92233720368547758079:0}, 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={0:0}, 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={101:0}, result=0, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, tmp___3=106, tmp___4=32768, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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={0:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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] [L6740] bool tmp ; [L6741] int tmp___0 ; VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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={0:0}, 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] CALL, EXPR ldv_in_interrupt_context() VAL [__ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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] [L7739] return (__ldv_in_interrupt_context); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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, 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={110680464442257309899:110680464442257309881}, 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, 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] 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={110680464442257309899:110680464442257309881}, 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, 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=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={110680464442257309899:110680464442257309881}, 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={0:0}, 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={110680464442257309899:110680464442257309881}, 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, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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] [L6807] COND FALSE !(ldv_linux_alloc_usb_lock_lock == 2) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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={110680464442257309899:110680464442257309881}, 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={110680464442257309899:110680464442257309881}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-110680464442257309666:110680464442257309667}, ldv_func_arg1={-110680464442257309666:110680464442257309667}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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={0:0}, 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={110680464442257309899:110680464442257309881}, dev={-18446744073709551590:-25}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-73786976294838206463:0}, inode={-73786976294838206463:0}, interface={-92233720368547758079:0}, 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={0:0}, 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={101:0}, result=0, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, tmp___3=106, tmp___4=32768, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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] [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={110680464442257309899:110680464442257309881}, 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={0:0}, 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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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={0:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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}, 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={110680464442257309899:110680464442257309881}, 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, 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] [L4660] RET ldv_mutex_unlock_105(& dev->lock) [L4663] return (retval); [L4663] return (retval); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, dev={-18446744073709551590:-25}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-73786976294838206463:0}, inode={-73786976294838206463:0}, interface={-92233720368547758079:0}, 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, result=0, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, tmp___3=106, tmp___4=32768, 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={110680464442257309899:110680464442257309881}, arg0={110680464442257309885:110680464442257309864}, arg0={110680464442257309885:110680464442257309864}, arg1={-73786976294838206463:0}, arg1={-73786976294838206463:0}, 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, 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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L7684] CALL ldv_assume(val <= 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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}, val=0, write_buffer_size=480] [L7686] return (val); VAL [\old(val)=0, \result=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L7714] RET, EXPR ldv_filter_positive_int(ret_val) VAL [\old(ret_val)=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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={0:0}, 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, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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=-14, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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=-14, 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={110680464442257309899:110680464442257309881}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={-110680464442257309666:1}, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-73786976294838206463:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:-9}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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()=-14, 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={-73786976294838206463:0}, tmp___1=-9, tmp___3=-10, 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={110680464442257309899:110680464442257309881}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={-110680464442257309666:1}, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-73786976294838206463:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:-9}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-18446744073709551590:0}, tmp___0={-73786976294838206463:0}, tmp___1=-9, tmp___2=-14, tmp___3=-10, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, 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] [L5845] RET ldv_assume(ldv_0_ret_default == 0) VAL [__ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={-110680464442257309666:1}, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-73786976294838206463:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:-9}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, tmp={-18446744073709551590:0}, tmp___0={-73786976294838206463:0}, tmp___1=-9, tmp___2=-14, tmp___3=-10, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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=2, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={-110680464442257309666:1}, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-73786976294838206463:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:-9}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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_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={-73786976294838206463:0}, tmp___1=-9, tmp___2=-14, tmp___3=-10, 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={110680464442257309899:110680464442257309881}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={-110680464442257309666:1}, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-73786976294838206463:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:-9}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, tmp={-18446744073709551590:0}, tmp___0={-73786976294838206463:0}, tmp___1=-9, tmp___2=-14, tmp___3=-10, 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={110680464442257309899:110680464442257309881}, arg0={-73786976290543239169:0}, arg0={-73786976290543239169:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={-110680464442257309666:1}, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-73786976294838206463:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:-9}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-18446744073709551590:0}, tmp___0={-73786976294838206463:0}, tmp___1=-9, tmp___2=-14, tmp___3=-10, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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={110680464442257309899:110680464442257309881}, 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, 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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={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={110680464442257309899:110680464442257309881}, 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] [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={110680464442257309899:110680464442257309881}, 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, 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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={-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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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={110680464442257309899:110680464442257309881}, 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, 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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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=-15, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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, tmp=-15, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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}, ldv_undef_int()=-15, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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, 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=-15, 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={110680464442257309899:110680464442257309881}, 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={0:0}, 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] [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={110680464442257309899:110680464442257309881}, 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={0:0}, 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] [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={110680464442257309899:110680464442257309881}, __wait={91:0}, descriptor={103:0}, dev={-18446744073709551590:-25}, dev->open_count=1, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-73786976294838206463:0}, inode={-73786976294838206463:0}, 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={0:0}, 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, 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={110680464442257309899:110680464442257309881}, __wait={91:0}, descriptor={103:0}, dev={-18446744073709551590:-25}, dev->udev={-110680464442257309666:-30}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-73786976294838206463:0}, inode={-73786976294838206463:0}, 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={0:0}, 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=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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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, 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_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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, 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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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={0:0}, 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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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}, 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={110680464442257309899:110680464442257309881}, 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, 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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [L4546] CALL tower_abort_transfers(dev) VAL [\old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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={0:0}, 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] [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={110680464442257309899:110680464442257309881}, 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={0:0}, 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] [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={110680464442257309899:110680464442257309881}, dev={-18446744073709551590:-25}, dev={-18446744073709551590:-25}, dev->interrupt_out_busy=110680464442257309865, dev->interrupt_out_busy != 0 && (unsigned long )dev->udev != (unsigned long )((struct usb_device *)0)=0, dev->udev={-110680464442257309666:-30}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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={110680464442257309899:110680464442257309881}, 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={0:0}, 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] [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={110680464442257309899:110680464442257309881}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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={110680464442257309899:110680464442257309881}, 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, 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] [L11089] reach_error() VAL [\old(expr)=0, \old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={110680464442257309899:110680464442257309881}, 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, 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] - 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, 987 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 699.5s, OverallIterations: 67, TraceHistogramMax: 26, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.2s, AutomataDifference: 498.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 118635 SdHoareTripleChecker+Valid, 390.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 110585 mSDsluCounter, 489274 SdHoareTripleChecker+Invalid, 353.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 2183 IncrementalHoareTripleChecker+Unchecked, 418011 mSDsCounter, 71270 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 270703 IncrementalHoareTripleChecker+Invalid, 344156 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 71270 mSolverCounterUnsat, 71263 mSDtfsCounter, 270703 mSolverCounterSat, 3.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16786 GetRequests, 15377 SyntacticMatches, 25 SemanticMatches, 1384 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8658 ImplicationChecksByTransitivity, 22.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7379occurred in iteration=65, InterpolantAutomatonStates: 910, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 54.3s AutomataMinimizationTime, 66 MinimizatonAttempts, 35408 StatesRemovedByMinimization, 43 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.9s SsaConstructionTime, 41.4s SatisfiabilityAnalysisTime, 76.5s InterpolantComputationTime, 25137 NumberOfCodeBlocks, 24637 NumberOfCodeBlocksAsserted, 89 NumberOfCheckSat, 27064 ConstructedInterpolants, 30 QuantifiedInterpolants, 43682 SizeOfPredicates, 227 NumberOfNonLiveVariables, 51930 ConjunctsInSsa, 714 ConjunctsInUnsatCore, 91 InterpolantComputations, 62 PerfectInterpolantSequences, 62049/63068 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 [2022-11-20 09:39:53,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/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_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:39:55,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:39:55,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:39:55,828 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:39:55,829 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:39:55,830 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:39:55,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:39:55,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:39:55,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:39:55,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:39:55,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:39:55,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:39:55,856 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:39:55,858 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:39:55,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:39:55,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:39:55,868 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:39:55,870 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:39:55,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:39:55,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:39:55,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:39:55,880 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:39:55,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:39:55,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:39:55,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:39:55,895 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:39:55,895 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:39:55,897 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:39:55,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:39:55,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:39:55,900 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:39:55,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:39:55,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:39:55,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:39:55,927 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:39:55,928 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:39:55,928 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:39:55,928 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:39:55,929 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:39:55,929 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:39:55,930 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:39:55,932 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 09:39:55,954 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:39:55,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:39:55,955 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:39:55,955 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:39:55,956 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:39:55,956 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:39:55,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:39:55,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:39:55,957 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:39:55,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:39:55,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:39:55,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:39:55,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:39:55,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:39:55,959 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 09:39:55,959 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 09:39:55,960 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 09:39:55,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:39:55,960 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:39:55,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:39:55,961 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:39:55,961 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:39:55,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:39:55,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:39:55,962 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:39:55,962 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:39:55,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:39:55,963 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 09:39:55,963 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 09:39:55,963 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:39:55,963 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:39:55,964 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:39:55,964 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 09:39:55,964 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_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed [2022-11-20 09:39:56,329 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:39:56,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:39:56,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:39:56,363 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:39:56,364 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:39:56,365 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2022-11-20 09:39:59,459 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:40:00,070 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:40:00,071 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2022-11-20 09:40:00,138 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/data/a04e986f2/12c0f834871744ff8d900bd32996dc17/FLAG34ca7eedd [2022-11-20 09:40:00,159 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/data/a04e986f2/12c0f834871744ff8d900bd32996dc17 [2022-11-20 09:40:00,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:40:00,163 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:40:00,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:40:00,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:40:00,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:40:00,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:40:00" (1/1) ... [2022-11-20 09:40:00,174 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@393fa5e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:40:00, skipping insertion in model container [2022-11-20 09:40:00,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:40:00" (1/1) ... [2022-11-20 09:40:00,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:40:00,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:40:03,005 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2022-11-20 09:40:03,010 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2022-11-20 09:40:03,011 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2022-11-20 09:40:03,012 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2022-11-20 09:40:03,013 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2022-11-20 09:40:03,015 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2022-11-20 09:40:03,016 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2022-11-20 09:40:03,017 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2022-11-20 09:40:03,017 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2022-11-20 09:40:03,018 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2022-11-20 09:40:03,018 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2022-11-20 09:40:03,019 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2022-11-20 09:40:03,020 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2022-11-20 09:40:03,022 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2022-11-20 09:40:03,023 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2022-11-20 09:40:03,030 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2022-11-20 09:40:03,031 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2022-11-20 09:40:03,041 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2022-11-20 09:40:03,041 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2022-11-20 09:40:03,042 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2022-11-20 09:40:03,043 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2022-11-20 09:40:03,043 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2022-11-20 09:40:03,044 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2022-11-20 09:40:03,045 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2022-11-20 09:40:03,045 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2022-11-20 09:40:03,046 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2022-11-20 09:40:03,046 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2022-11-20 09:40:03,046 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2022-11-20 09:40:03,048 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2022-11-20 09:40:03,049 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2022-11-20 09:40:03,049 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2022-11-20 09:40:03,049 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2022-11-20 09:40:03,051 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2022-11-20 09:40:03,051 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2022-11-20 09:40:03,052 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2022-11-20 09:40:03,052 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2022-11-20 09:40:03,053 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2022-11-20 09:40:03,054 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2022-11-20 09:40:03,055 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2022-11-20 09:40:03,056 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2022-11-20 09:40:03,056 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2022-11-20 09:40:03,057 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2022-11-20 09:40:03,059 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2022-11-20 09:40:03,060 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2022-11-20 09:40:03,060 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2022-11-20 09:40:03,060 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2022-11-20 09:40:03,061 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2022-11-20 09:40:03,063 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2022-11-20 09:40:03,063 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2022-11-20 09:40:03,064 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2022-11-20 09:40:03,064 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2022-11-20 09:40:03,065 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2022-11-20 09:40:03,065 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2022-11-20 09:40:03,066 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2022-11-20 09:40:03,066 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2022-11-20 09:40:03,066 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2022-11-20 09:40:03,067 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2022-11-20 09:40:03,067 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2022-11-20 09:40:03,068 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2022-11-20 09:40:03,068 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2022-11-20 09:40:03,069 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2022-11-20 09:40:03,070 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2022-11-20 09:40:03,070 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2022-11-20 09:40:03,071 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2022-11-20 09:40:03,071 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2022-11-20 09:40:03,072 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2022-11-20 09:40:03,073 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2022-11-20 09:40:03,073 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2022-11-20 09:40:03,074 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2022-11-20 09:40:03,075 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2022-11-20 09:40:03,075 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2022-11-20 09:40:03,076 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2022-11-20 09:40:03,077 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2022-11-20 09:40:03,078 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2022-11-20 09:40:03,079 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2022-11-20 09:40:03,080 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2022-11-20 09:40:03,081 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2022-11-20 09:40:03,081 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2022-11-20 09:40:03,082 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2022-11-20 09:40:03,082 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2022-11-20 09:40:03,083 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2022-11-20 09:40:03,083 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2022-11-20 09:40:03,084 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2022-11-20 09:40:03,084 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2022-11-20 09:40:03,084 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2022-11-20 09:40:03,085 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2022-11-20 09:40:03,085 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2022-11-20 09:40:03,086 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2022-11-20 09:40:03,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:40:03,167 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 09:40:03,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:40:03,451 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2022-11-20 09:40:03,452 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2022-11-20 09:40:03,452 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2022-11-20 09:40:03,453 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2022-11-20 09:40:03,458 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2022-11-20 09:40:03,459 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2022-11-20 09:40:03,460 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2022-11-20 09:40:03,460 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2022-11-20 09:40:03,461 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2022-11-20 09:40:03,461 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2022-11-20 09:40:03,462 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2022-11-20 09:40:03,462 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2022-11-20 09:40:03,463 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2022-11-20 09:40:03,463 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2022-11-20 09:40:03,464 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2022-11-20 09:40:03,464 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2022-11-20 09:40:03,466 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2022-11-20 09:40:03,466 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2022-11-20 09:40:03,467 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2022-11-20 09:40:03,467 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2022-11-20 09:40:03,469 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2022-11-20 09:40:03,470 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2022-11-20 09:40:03,470 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2022-11-20 09:40:03,471 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2022-11-20 09:40:03,472 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2022-11-20 09:40:03,473 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2022-11-20 09:40:03,475 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2022-11-20 09:40:03,475 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2022-11-20 09:40:03,476 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2022-11-20 09:40:03,476 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2022-11-20 09:40:03,478 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2022-11-20 09:40:03,478 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2022-11-20 09:40:03,479 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2022-11-20 09:40:03,480 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2022-11-20 09:40:03,480 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2022-11-20 09:40:03,481 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2022-11-20 09:40:03,481 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2022-11-20 09:40:03,482 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2022-11-20 09:40:03,483 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2022-11-20 09:40:03,483 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2022-11-20 09:40:03,485 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2022-11-20 09:40:03,485 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2022-11-20 09:40:03,486 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2022-11-20 09:40:03,486 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2022-11-20 09:40:03,487 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2022-11-20 09:40:03,487 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2022-11-20 09:40:03,487 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2022-11-20 09:40:03,488 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2022-11-20 09:40:03,488 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2022-11-20 09:40:03,489 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2022-11-20 09:40:03,489 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2022-11-20 09:40:03,490 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2022-11-20 09:40:03,491 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2022-11-20 09:40:03,491 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2022-11-20 09:40:03,491 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2022-11-20 09:40:03,492 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2022-11-20 09:40:03,493 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2022-11-20 09:40:03,498 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2022-11-20 09:40:03,499 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2022-11-20 09:40:03,501 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2022-11-20 09:40:03,504 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2022-11-20 09:40:03,505 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2022-11-20 09:40:03,505 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2022-11-20 09:40:03,506 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2022-11-20 09:40:03,506 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2022-11-20 09:40:03,508 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2022-11-20 09:40:03,509 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2022-11-20 09:40:03,510 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2022-11-20 09:40:03,510 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2022-11-20 09:40:03,516 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2022-11-20 09:40:03,516 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2022-11-20 09:40:03,517 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2022-11-20 09:40:03,517 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2022-11-20 09:40:03,518 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2022-11-20 09:40:03,519 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2022-11-20 09:40:03,519 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2022-11-20 09:40:03,524 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2022-11-20 09:40:03,525 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2022-11-20 09:40:03,526 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2022-11-20 09:40:03,527 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2022-11-20 09:40:03,528 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2022-11-20 09:40:03,529 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2022-11-20 09:40:03,529 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2022-11-20 09:40:03,529 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2022-11-20 09:40:03,530 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2022-11-20 09:40:03,530 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2022-11-20 09:40:03,531 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2022-11-20 09:40:03,532 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2022-11-20 09:40:03,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:40:03,565 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:40:03,841 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2022-11-20 09:40:03,842 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2022-11-20 09:40:03,842 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2022-11-20 09:40:03,843 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2022-11-20 09:40:03,843 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2022-11-20 09:40:03,843 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2022-11-20 09:40:03,844 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2022-11-20 09:40:03,844 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2022-11-20 09:40:03,844 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2022-11-20 09:40:03,845 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2022-11-20 09:40:03,845 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2022-11-20 09:40:03,845 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2022-11-20 09:40:03,846 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2022-11-20 09:40:03,846 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2022-11-20 09:40:03,847 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2022-11-20 09:40:03,847 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2022-11-20 09:40:03,847 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2022-11-20 09:40:03,848 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2022-11-20 09:40:03,850 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2022-11-20 09:40:03,850 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2022-11-20 09:40:03,851 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2022-11-20 09:40:03,851 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2022-11-20 09:40:03,852 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2022-11-20 09:40:03,853 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2022-11-20 09:40:03,853 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2022-11-20 09:40:03,854 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2022-11-20 09:40:03,854 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2022-11-20 09:40:03,854 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2022-11-20 09:40:03,855 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2022-11-20 09:40:03,855 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2022-11-20 09:40:03,855 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2022-11-20 09:40:03,856 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2022-11-20 09:40:03,856 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2022-11-20 09:40:03,856 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2022-11-20 09:40:03,857 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2022-11-20 09:40:03,857 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2022-11-20 09:40:03,858 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2022-11-20 09:40:03,858 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2022-11-20 09:40:03,858 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2022-11-20 09:40:03,859 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2022-11-20 09:40:03,859 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2022-11-20 09:40:03,860 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2022-11-20 09:40:03,860 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2022-11-20 09:40:03,862 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2022-11-20 09:40:03,862 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2022-11-20 09:40:03,863 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2022-11-20 09:40:03,863 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2022-11-20 09:40:03,864 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2022-11-20 09:40:03,864 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2022-11-20 09:40:03,865 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2022-11-20 09:40:03,865 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2022-11-20 09:40:03,865 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2022-11-20 09:40:03,866 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2022-11-20 09:40:03,866 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2022-11-20 09:40:03,866 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2022-11-20 09:40:03,867 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2022-11-20 09:40:03,867 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2022-11-20 09:40:03,867 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2022-11-20 09:40:03,868 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2022-11-20 09:40:03,868 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2022-11-20 09:40:03,869 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2022-11-20 09:40:03,869 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2022-11-20 09:40:03,869 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2022-11-20 09:40:03,870 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2022-11-20 09:40:03,870 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2022-11-20 09:40:03,870 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2022-11-20 09:40:03,871 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2022-11-20 09:40:03,871 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2022-11-20 09:40:03,871 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2022-11-20 09:40:03,872 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2022-11-20 09:40:03,872 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2022-11-20 09:40:03,872 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2022-11-20 09:40:03,873 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2022-11-20 09:40:03,873 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2022-11-20 09:40:03,874 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2022-11-20 09:40:03,874 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2022-11-20 09:40:03,875 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2022-11-20 09:40:03,875 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2022-11-20 09:40:03,876 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2022-11-20 09:40:03,877 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2022-11-20 09:40:03,883 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2022-11-20 09:40:03,883 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2022-11-20 09:40:03,884 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2022-11-20 09:40:03,884 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2022-11-20 09:40:03,884 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2022-11-20 09:40:03,885 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2022-11-20 09:40:03,885 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2022-11-20 09:40:03,885 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2022-11-20 09:40:03,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:40:04,057 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:40:04,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:40:04 WrapperNode [2022-11-20 09:40:04,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:40:04,059 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:40:04,059 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:40:04,059 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:40:04,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:40:04" (1/1) ... [2022-11-20 09:40:04,146 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:40:04" (1/1) ... [2022-11-20 09:40:04,287 INFO L138 Inliner]: procedures = 540, calls = 1327, calls flagged for inlining = 223, calls inlined = 134, statements flattened = 2291 [2022-11-20 09:40:04,288 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:40:04,288 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:40:04,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:40:04,288 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:40:04,298 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:40:04" (1/1) ... [2022-11-20 09:40:04,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:40:04" (1/1) ... [2022-11-20 09:40:04,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:40:04" (1/1) ... [2022-11-20 09:40:04,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:40:04" (1/1) ... [2022-11-20 09:40:04,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:40:04" (1/1) ... [2022-11-20 09:40:04,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:40:04" (1/1) ... [2022-11-20 09:40:04,441 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:40:04" (1/1) ... [2022-11-20 09:40:04,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:40:04" (1/1) ... [2022-11-20 09:40:04,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:40:04,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:40:04,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:40:04,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:40:04,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:40:04" (1/1) ... [2022-11-20 09:40:04,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:40:04,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:40:04,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:40:04,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:40:04,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 09:40:04,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 09:40:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 09:40:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 09:40:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 09:40:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 09:40:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-20 09:40:04,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-20 09:40:04,586 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 09:40:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 09:40:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-20 09:40:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-20 09:40:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 09:40:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 09:40:04,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_read_buffer_lock_of_lego_usb_tower [2022-11-20 09:40:04,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_read_buffer_lock_of_lego_usb_tower [2022-11-20 09:40:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 09:40:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 09:40:04,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 09:40:04,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 09:40:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-20 09:40:04,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-20 09:40:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:40:04,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 09:40:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 09:40:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 09:40:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 09:40:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 09:40:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-20 09:40:04,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-20 09:40:04,590 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-20 09:40:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-20 09:40:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-20 09:40:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-20 09:40:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 09:40:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 09:40:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_112 [2022-11-20 09:40:04,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_112 [2022-11-20 09:40:04,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 09:40:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 09:40:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 09:40:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 09:40:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-20 09:40:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-20 09:40:04,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 09:40:04,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 09:40:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-20 09:40:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-20 09:40:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 09:40:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 09:40:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-20 09:40:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-20 09:40:04,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 09:40:04,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 09:40:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex [2022-11-20 09:40:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex [2022-11-20 09:40:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower [2022-11-20 09:40:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower [2022-11-20 09:40:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 09:40:04,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 09:40:04,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 09:40:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:40:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 09:40:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 09:40:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 09:40:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-20 09:40:04,595 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-20 09:40:04,595 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-11-20 09:40:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-11-20 09:40:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-20 09:40:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-11-20 09:40:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 09:40:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 09:40:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-20 09:40:04,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-20 09:40:04,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex [2022-11-20 09:40:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex [2022-11-20 09:40:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-20 09:40:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-20 09:40:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-20 09:40:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-20 09:40:04,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:40:04,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:40:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 09:40:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-11-20 09:40:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-11-20 09:40:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure tower_disconnect [2022-11-20 09:40:04,598 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_disconnect [2022-11-20 09:40:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 09:40:04,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 09:40:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 09:40:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 09:40:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 09:40:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 09:40:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 09:40:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-11-20 09:40:04,599 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-11-20 09:40:04,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-20 09:40:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-20 09:40:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-11-20 09:40:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-11-20 09:40:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-11-20 09:40:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-11-20 09:40:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 09:40:04,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 09:40:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_lego_usb_tower [2022-11-20 09:40:04,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_lego_usb_tower [2022-11-20 09:40:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:40:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 09:40:04,606 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 09:40:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 09:40:04,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 09:40:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 09:40:04,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 09:40:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 09:40:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 09:40:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 09:40:04,607 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 09:40:04,607 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 09:40:04,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 09:40:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 09:40:04,608 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-11-20 09:40:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-11-20 09:40:04,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 09:40:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 09:40:04,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower [2022-11-20 09:40:04,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower [2022-11-20 09:40:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-20 09:40:04,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-11-20 09:40:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-11-20 09:40:04,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-11-20 09:40:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 09:40:04,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 09:40:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-20 09:40:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-20 09:40:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 09:40:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 09:40:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-20 09:40:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-20 09:40:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 09:40:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 09:40:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 09:40:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 09:40:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-11-20 09:40:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-11-20 09:40:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_read_buffer_lock_of_lego_usb_tower [2022-11-20 09:40:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_read_buffer_lock_of_lego_usb_tower [2022-11-20 09:40:04,611 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 09:40:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 09:40:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-20 09:40:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-20 09:40:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure tower_delete [2022-11-20 09:40:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_delete [2022-11-20 09:40:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 09:40:04,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 09:40:04,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 09:40:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 09:40:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 09:40:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 09:40:04,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 09:40:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 09:40:04,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 09:40:04,613 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-20 09:40:04,613 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-20 09:40:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 09:40:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 09:40:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 09:40:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 09:40:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure tower_check_for_read_packet [2022-11-20 09:40:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_check_for_read_packet [2022-11-20 09:40:04,614 INFO L130 BoogieDeclarations]: Found specification of procedure tower_abort_transfers [2022-11-20 09:40:04,614 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_abort_transfers [2022-11-20 09:40:04,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_111 [2022-11-20 09:40:04,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_111 [2022-11-20 09:40:05,383 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:40:05,398 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:40:05,636 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 09:40:21,390 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:40:21,412 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:40:21,413 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:40:21,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:40:21 BoogieIcfgContainer [2022-11-20 09:40:21,418 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:40:21,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:40:21,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:40:21,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:40:21,424 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:40:00" (1/3) ... [2022-11-20 09:40:21,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@114d2e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:40:21, skipping insertion in model container [2022-11-20 09:40:21,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:40:04" (2/3) ... [2022-11-20 09:40:21,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@114d2e52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:40:21, skipping insertion in model container [2022-11-20 09:40:21,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:40:21" (3/3) ... [2022-11-20 09:40:21,429 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2022-11-20 09:40:21,449 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:40:21,450 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-20 09:40:21,547 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:40:21,553 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7d82d844, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:40:21,554 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-20 09:40:21,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 980 states, 634 states have (on average 1.279179810725552) internal successors, (811), 679 states have internal predecessors, (811), 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) [2022-11-20 09:40:21,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-20 09:40:21,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:40:21,584 INFO L195 NwaCegarLoop]: 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] [2022-11-20 09:40:21,585 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-11-20 09:40:21,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:40:21,592 INFO L85 PathProgramCache]: Analyzing trace with hash -382804630, now seen corresponding path program 1 times [2022-11-20 09:40:21,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:40:21,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [115563982] [2022-11-20 09:40:21,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:40:21,609 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 09:40:21,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:40:21,611 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 09:40:21,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ab93ee-494b-4566-8b30-0a685e88ff32/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 09:40:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:40:22,501 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:40:22,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:40:23,273 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-11-20 09:40:23,274 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:40:23,274 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:40:23,275 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [115563982] [2022-11-20 09:40:23,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [115563982] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:40:23,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:40:23,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:40:23,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066879116] [2022-11-20 09:40:23,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:40:23,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 09:40:23,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:40:23,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 09:40:23,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 09:40:23,316 INFO L87 Difference]: Start difference. First operand has 980 states, 634 states have (on average 1.279179810725552) internal successors, (811), 679 states have internal predecessors, (811), 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 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10)