./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/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_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:24:18,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:24:18,669 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:24:18,691 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:24:18,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:24:18,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:24:18,694 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:24:18,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:24:18,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:24:18,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:24:18,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:24:18,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:24:18,700 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:24:18,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:24:18,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:24:18,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:24:18,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:24:18,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:24:18,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:24:18,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:24:18,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:24:18,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:24:18,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:24:18,712 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:24:18,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:24:18,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:24:18,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:24:18,716 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:24:18,717 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:24:18,718 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:24:18,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:24:18,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:24:18,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:24:18,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:24:18,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:24:18,721 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:24:18,722 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:24:18,722 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:24:18,722 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:24:18,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:24:18,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:24:18,724 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 17:24:18,741 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:24:18,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:24:18,742 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:24:18,742 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:24:18,742 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:24:18,742 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:24:18,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:24:18,743 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:24:18,743 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:24:18,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:24:18,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:24:18,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:24:18,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:24:18,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:24:18,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:24:18,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:24:18,744 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:24:18,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:24:18,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:24:18,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:24:18,744 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:24:18,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:24:18,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:24:18,745 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:24:18,745 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:24:18,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:24:18,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 17:24:18,745 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:24:18,745 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:24:18,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:24:18,746 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:24:18,746 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_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed [2021-12-06 17:24:18,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:24:18,955 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:24:18,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:24:18,958 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:24:18,959 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:24:18,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-12-06 17:24:19,010 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/data/94290c4f6/d2df923ded134b30a98f02557bcbcb55/FLAGa86b1e046 [2021-12-06 17:24:19,588 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:24:19,588 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-12-06 17:24:19,615 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/data/94290c4f6/d2df923ded134b30a98f02557bcbcb55/FLAGa86b1e046 [2021-12-06 17:24:19,784 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/data/94290c4f6/d2df923ded134b30a98f02557bcbcb55 [2021-12-06 17:24:19,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:24:19,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:24:19,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:24:19,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:24:19,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:24:19,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:24:19" (1/1) ... [2021-12-06 17:24:19,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c8e9cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:24:19, skipping insertion in model container [2021-12-06 17:24:19,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:24:19" (1/1) ... [2021-12-06 17:24:19,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:24:19,894 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:24:21,809 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2021-12-06 17:24:21,811 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2021-12-06 17:24:21,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2021-12-06 17:24:21,812 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2021-12-06 17:24:21,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2021-12-06 17:24:21,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2021-12-06 17:24:21,813 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2021-12-06 17:24:21,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2021-12-06 17:24:21,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2021-12-06 17:24:21,814 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2021-12-06 17:24:21,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2021-12-06 17:24:21,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2021-12-06 17:24:21,815 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2021-12-06 17:24:21,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2021-12-06 17:24:21,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2021-12-06 17:24:21,816 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2021-12-06 17:24:21,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2021-12-06 17:24:21,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2021-12-06 17:24:21,817 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2021-12-06 17:24:21,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2021-12-06 17:24:21,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2021-12-06 17:24:21,818 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2021-12-06 17:24:21,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2021-12-06 17:24:21,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2021-12-06 17:24:21,819 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2021-12-06 17:24:21,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2021-12-06 17:24:21,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2021-12-06 17:24:21,820 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2021-12-06 17:24:21,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2021-12-06 17:24:21,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2021-12-06 17:24:21,821 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2021-12-06 17:24:21,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2021-12-06 17:24:21,822 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2021-12-06 17:24:21,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2021-12-06 17:24:21,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2021-12-06 17:24:21,823 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2021-12-06 17:24:21,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2021-12-06 17:24:21,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2021-12-06 17:24:21,824 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2021-12-06 17:24:21,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2021-12-06 17:24:21,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2021-12-06 17:24:21,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2021-12-06 17:24:21,825 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2021-12-06 17:24:21,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2021-12-06 17:24:21,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2021-12-06 17:24:21,826 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2021-12-06 17:24:21,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2021-12-06 17:24:21,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2021-12-06 17:24:21,827 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2021-12-06 17:24:21,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2021-12-06 17:24:21,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2021-12-06 17:24:21,828 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2021-12-06 17:24:21,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2021-12-06 17:24:21,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2021-12-06 17:24:21,829 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2021-12-06 17:24:21,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2021-12-06 17:24:21,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2021-12-06 17:24:21,830 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2021-12-06 17:24:21,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2021-12-06 17:24:21,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2021-12-06 17:24:21,831 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2021-12-06 17:24:21,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2021-12-06 17:24:21,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2021-12-06 17:24:21,832 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2021-12-06 17:24:21,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2021-12-06 17:24:21,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2021-12-06 17:24:21,833 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2021-12-06 17:24:21,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2021-12-06 17:24:21,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2021-12-06 17:24:21,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2021-12-06 17:24:21,834 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2021-12-06 17:24:21,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2021-12-06 17:24:21,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2021-12-06 17:24:21,835 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2021-12-06 17:24:21,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2021-12-06 17:24:21,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2021-12-06 17:24:21,836 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2021-12-06 17:24:21,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2021-12-06 17:24:21,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2021-12-06 17:24:21,837 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2021-12-06 17:24:21,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2021-12-06 17:24:21,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2021-12-06 17:24:21,838 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2021-12-06 17:24:21,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2021-12-06 17:24:21,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2021-12-06 17:24:21,839 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2021-12-06 17:24:21,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2021-12-06 17:24:21,840 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2021-12-06 17:24:21,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:24:21,862 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:24:22,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2021-12-06 17:24:22,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2021-12-06 17:24:22,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2021-12-06 17:24:22,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2021-12-06 17:24:22,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2021-12-06 17:24:22,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2021-12-06 17:24:22,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2021-12-06 17:24:22,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2021-12-06 17:24:22,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2021-12-06 17:24:22,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2021-12-06 17:24:22,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2021-12-06 17:24:22,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2021-12-06 17:24:22,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2021-12-06 17:24:22,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2021-12-06 17:24:22,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2021-12-06 17:24:22,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2021-12-06 17:24:22,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2021-12-06 17:24:22,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2021-12-06 17:24:22,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2021-12-06 17:24:22,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2021-12-06 17:24:22,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2021-12-06 17:24:22,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2021-12-06 17:24:22,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2021-12-06 17:24:22,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2021-12-06 17:24:22,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2021-12-06 17:24:22,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2021-12-06 17:24:22,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2021-12-06 17:24:22,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2021-12-06 17:24:22,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2021-12-06 17:24:22,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2021-12-06 17:24:22,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2021-12-06 17:24:22,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2021-12-06 17:24:22,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2021-12-06 17:24:22,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2021-12-06 17:24:22,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2021-12-06 17:24:22,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2021-12-06 17:24:22,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2021-12-06 17:24:22,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2021-12-06 17:24:22,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2021-12-06 17:24:22,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2021-12-06 17:24:22,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2021-12-06 17:24:22,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2021-12-06 17:24:22,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2021-12-06 17:24:22,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2021-12-06 17:24:22,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2021-12-06 17:24:22,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2021-12-06 17:24:22,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2021-12-06 17:24:22,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2021-12-06 17:24:22,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2021-12-06 17:24:22,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2021-12-06 17:24:22,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2021-12-06 17:24:22,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2021-12-06 17:24:22,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2021-12-06 17:24:22,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2021-12-06 17:24:22,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2021-12-06 17:24:22,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2021-12-06 17:24:22,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2021-12-06 17:24:22,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2021-12-06 17:24:22,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2021-12-06 17:24:22,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2021-12-06 17:24:22,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2021-12-06 17:24:22,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2021-12-06 17:24:22,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2021-12-06 17:24:22,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2021-12-06 17:24:22,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2021-12-06 17:24:22,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2021-12-06 17:24:22,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2021-12-06 17:24:22,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2021-12-06 17:24:22,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2021-12-06 17:24:22,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2021-12-06 17:24:22,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2021-12-06 17:24:22,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2021-12-06 17:24:22,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2021-12-06 17:24:22,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2021-12-06 17:24:22,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2021-12-06 17:24:22,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2021-12-06 17:24:22,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2021-12-06 17:24:22,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2021-12-06 17:24:22,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2021-12-06 17:24:22,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2021-12-06 17:24:22,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2021-12-06 17:24:22,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2021-12-06 17:24:22,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2021-12-06 17:24:22,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2021-12-06 17:24:22,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2021-12-06 17:24:22,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2021-12-06 17:24:22,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2021-12-06 17:24:22,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2021-12-06 17:24:22,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:24:22,155 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:24:22,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:24:22 WrapperNode [2021-12-06 17:24:22,156 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:24:22,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:24:22,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:24:22,156 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:24:22,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:24:22" (1/1) ... [2021-12-06 17:24:22,231 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:24:22" (1/1) ... [2021-12-06 17:24:22,337 INFO L137 Inliner]: procedures = 526, calls = 1327, calls flagged for inlining = 223, calls inlined = 134, statements flattened = 2372 [2021-12-06 17:24:22,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:24:22,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:24:22,339 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:24:22,339 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:24:22,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:24:22" (1/1) ... [2021-12-06 17:24:22,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:24:22" (1/1) ... [2021-12-06 17:24:22,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:24:22" (1/1) ... [2021-12-06 17:24:22,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:24:22" (1/1) ... [2021-12-06 17:24:22,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:24:22" (1/1) ... [2021-12-06 17:24:22,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:24:22" (1/1) ... [2021-12-06 17:24:22,449 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:24:22" (1/1) ... [2021-12-06 17:24:22,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:24:22,469 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:24:22,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:24:22,470 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:24:22,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:24:22" (1/1) ... [2021-12-06 17:24:22,476 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:24:22,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:24:22,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:24:22,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:24:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-06 17:24:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-06 17:24:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 17:24:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 17:24:22,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-06 17:24:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-06 17:24:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-06 17:24:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-06 17:24:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 17:24:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 17:24:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-06 17:24:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-06 17:24:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-06 17:24:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-06 17:24:22,537 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_read_buffer_lock_of_lego_usb_tower [2021-12-06 17:24:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_read_buffer_lock_of_lego_usb_tower [2021-12-06 17:24:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 17:24:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 17:24:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 17:24:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 17:24:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-06 17:24:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-06 17:24:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:24:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 17:24:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 17:24:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-06 17:24:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-06 17:24:22,538 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-06 17:24:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-06 17:24:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 17:24:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-06 17:24:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-06 17:24:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 17:24:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 17:24:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_112 [2021-12-06 17:24:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_112 [2021-12-06 17:24:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-06 17:24:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-06 17:24:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 17:24:22,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-06 17:24:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-06 17:24:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-06 17:24:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-06 17:24:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-06 17:24:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-06 17:24:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-06 17:24:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-06 17:24:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-06 17:24:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-06 17:24:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-06 17:24:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-06 17:24:22,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-06 17:24:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-06 17:24:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex [2021-12-06 17:24:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex [2021-12-06 17:24:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower [2021-12-06 17:24:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower [2021-12-06 17:24:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-06 17:24:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-06 17:24:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 17:24:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:24:22,541 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 17:24:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 17:24:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 17:24:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-06 17:24:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-06 17:24:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-06 17:24:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-06 17:24:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-06 17:24:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-06 17:24:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-06 17:24:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-06 17:24:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-06 17:24:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-06 17:24:22,542 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-06 17:24:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-06 17:24:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex [2021-12-06 17:24:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex [2021-12-06 17:24:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-06 17:24:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-06 17:24:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-06 17:24:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-06 17:24:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:24:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:24:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-06 17:24:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-06 17:24:22,543 INFO L130 BoogieDeclarations]: Found specification of procedure tower_disconnect [2021-12-06 17:24:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_disconnect [2021-12-06 17:24:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 17:24:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 17:24:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 17:24:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 17:24:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-06 17:24:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-06 17:24:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-06 17:24:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-06 17:24:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-06 17:24:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-06 17:24:22,544 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-06 17:24:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-06 17:24:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-06 17:24:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-06 17:24:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_lego_usb_tower [2021-12-06 17:24:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_lego_usb_tower [2021-12-06 17:24:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:24:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 17:24:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 17:24:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-06 17:24:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-06 17:24:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 17:24:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 17:24:22,545 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-06 17:24:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-06 17:24:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-06 17:24:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-06 17:24:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-06 17:24:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-06 17:24:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 17:24:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 17:24:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower [2021-12-06 17:24:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower [2021-12-06 17:24:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-06 17:24:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-06 17:24:22,546 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-06 17:24:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-06 17:24:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-06 17:24:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-06 17:24:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-06 17:24:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-06 17:24:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-06 17:24:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-06 17:24:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-06 17:24:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-06 17:24:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-06 17:24:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-06 17:24:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-06 17:24:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-06 17:24:22,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_read_buffer_lock_of_lego_usb_tower [2021-12-06 17:24:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_read_buffer_lock_of_lego_usb_tower [2021-12-06 17:24:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 17:24:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 17:24:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-06 17:24:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-06 17:24:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure tower_delete [2021-12-06 17:24:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_delete [2021-12-06 17:24:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 17:24:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-06 17:24:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-06 17:24:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 17:24:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 17:24:22,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-06 17:24:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-06 17:24:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-06 17:24:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-06 17:24:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 17:24:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 17:24:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-06 17:24:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-06 17:24:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure tower_check_for_read_packet [2021-12-06 17:24:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_check_for_read_packet [2021-12-06 17:24:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 17:24:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure tower_abort_transfers [2021-12-06 17:24:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_abort_transfers [2021-12-06 17:24:22,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_111 [2021-12-06 17:24:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_111 [2021-12-06 17:24:22,899 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:24:22,901 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:24:23,026 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 17:24:25,142 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:24:25,158 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:24:25,159 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 17:24:25,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:24:25 BoogieIcfgContainer [2021-12-06 17:24:25,162 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:24:25,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:24:25,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:24:25,166 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:24:25,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:24:19" (1/3) ... [2021-12-06 17:24:25,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf73b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:24:25, skipping insertion in model container [2021-12-06 17:24:25,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:24:22" (2/3) ... [2021-12-06 17:24:25,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cf73b3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:24:25, skipping insertion in model container [2021-12-06 17:24:25,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:24:25" (3/3) ... [2021-12-06 17:24:25,169 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-12-06 17:24:25,173 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:24:25,173 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2021-12-06 17:24:25,217 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:24:25,222 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 17:24:25,222 INFO L340 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2021-12-06 17:24:25,262 INFO L276 IsEmpty]: Start isEmpty. Operand has 988 states, 642 states have (on average 1.2819314641744548) internal successors, (823), 687 states have internal predecessors, (823), 240 states have call successors, (240), 76 states have call predecessors, (240), 75 states have return successors, (235), 232 states have call predecessors, (235), 235 states have call successors, (235) [2021-12-06 17:24:25,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-06 17:24:25,271 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:25,271 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:25,272 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:25,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:25,276 INFO L85 PathProgramCache]: Analyzing trace with hash 248613159, now seen corresponding path program 1 times [2021-12-06 17:24:25,283 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:25,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467836437] [2021-12-06 17:24:25,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:25,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:25,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:25,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:25,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:25,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:25,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:25,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:24:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:25,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:24:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:25,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:24:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:25,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:24:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:25,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:25,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:24:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:25,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:24:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:25,819 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:24:25,820 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:24:25,820 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467836437] [2021-12-06 17:24:25,821 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467836437] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:24:25,821 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:24:25,821 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:24:25,822 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902513376] [2021-12-06 17:24:25,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:24:25,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:24:25,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:24:25,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:24:25,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:24:25,858 INFO L87 Difference]: Start difference. First operand has 988 states, 642 states have (on average 1.2819314641744548) internal successors, (823), 687 states have internal predecessors, (823), 240 states have call successors, (240), 76 states have call predecessors, (240), 75 states have return successors, (235), 232 states have call predecessors, (235), 235 states have call successors, (235) Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-06 17:24:27,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:27,653 INFO L93 Difference]: Finished difference Result 1927 states and 2626 transitions. [2021-12-06 17:24:27,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:24:27,655 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 71 [2021-12-06 17:24:27,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:27,677 INFO L225 Difference]: With dead ends: 1927 [2021-12-06 17:24:27,677 INFO L226 Difference]: Without dead ends: 970 [2021-12-06 17:24:27,686 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:24:27,689 INFO L933 BasicCegarLoop]: 1213 mSDtfsCounter, 1656 mSDsluCounter, 1740 mSDsCounter, 0 mSdLazyCounter, 823 mSolverCounterSat, 670 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1834 SdHoareTripleChecker+Valid, 2953 SdHoareTripleChecker+Invalid, 1493 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 670 IncrementalHoareTripleChecker+Valid, 823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:27,690 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1834 Valid, 2953 Invalid, 1493 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [670 Valid, 823 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-06 17:24:27,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2021-12-06 17:24:27,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 970. [2021-12-06 17:24:27,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 970 states, 632 states have (on average 1.2294303797468353) internal successors, (777), 672 states have internal predecessors, (777), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:24:27,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1245 transitions. [2021-12-06 17:24:27,793 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1245 transitions. Word has length 71 [2021-12-06 17:24:27,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:27,795 INFO L470 AbstractCegarLoop]: Abstraction has 970 states and 1245 transitions. [2021-12-06 17:24:27,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-12-06 17:24:27,795 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1245 transitions. [2021-12-06 17:24:27,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-06 17:24:27,798 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:27,798 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:27,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 17:24:27,799 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:27,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:27,799 INFO L85 PathProgramCache]: Analyzing trace with hash 544752548, now seen corresponding path program 1 times [2021-12-06 17:24:27,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:27,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1198795196] [2021-12-06 17:24:27,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:27,799 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:27,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:27,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:27,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:27,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:24:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:27,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:24:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:27,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:24:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:27,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:24:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:28,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:28,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:24:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:28,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:24:28,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:28,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:24:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:28,031 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:24:28,031 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:24:28,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1198795196] [2021-12-06 17:24:28,031 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1198795196] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:24:28,031 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:24:28,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:24:28,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729974304] [2021-12-06 17:24:28,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:24:28,033 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:24:28,033 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:24:28,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:24:28,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:24:28,034 INFO L87 Difference]: Start difference. First operand 970 states and 1245 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-06 17:24:29,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:29,499 INFO L93 Difference]: Finished difference Result 970 states and 1245 transitions. [2021-12-06 17:24:29,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:24:29,500 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2021-12-06 17:24:29,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:29,506 INFO L225 Difference]: With dead ends: 970 [2021-12-06 17:24:29,506 INFO L226 Difference]: Without dead ends: 968 [2021-12-06 17:24:29,506 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:24:29,507 INFO L933 BasicCegarLoop]: 1193 mSDtfsCounter, 1622 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1797 SdHoareTripleChecker+Valid, 2911 SdHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:29,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1797 Valid, 2911 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-06 17:24:29,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2021-12-06 17:24:29,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 968. [2021-12-06 17:24:29,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 631 states have (on average 1.2282091917591125) internal successors, (775), 670 states have internal predecessors, (775), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:24:29,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1243 transitions. [2021-12-06 17:24:29,551 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1243 transitions. Word has length 77 [2021-12-06 17:24:29,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:29,552 INFO L470 AbstractCegarLoop]: Abstraction has 968 states and 1243 transitions. [2021-12-06 17:24:29,552 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-12-06 17:24:29,552 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1243 transitions. [2021-12-06 17:24:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-06 17:24:29,554 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:29,554 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:29,554 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 17:24:29,554 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:29,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:29,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1429765362, now seen corresponding path program 1 times [2021-12-06 17:24:29,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:29,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843293947] [2021-12-06 17:24:29,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:29,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:29,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:29,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:29,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:29,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:24:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:29,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:24:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:29,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:24:29,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:29,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:24:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:29,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:29,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:24:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:29,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:24:29,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:29,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:24:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:29,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:24:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:29,748 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:24:29,748 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:24:29,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843293947] [2021-12-06 17:24:29,749 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843293947] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:24:29,749 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:24:29,749 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:24:29,749 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615967106] [2021-12-06 17:24:29,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:24:29,749 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:24:29,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:24:29,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:24:29,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:24:29,750 INFO L87 Difference]: Start difference. First operand 968 states and 1243 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 17:24:31,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:31,271 INFO L93 Difference]: Finished difference Result 968 states and 1243 transitions. [2021-12-06 17:24:31,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:24:31,271 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 83 [2021-12-06 17:24:31,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:31,277 INFO L225 Difference]: With dead ends: 968 [2021-12-06 17:24:31,277 INFO L226 Difference]: Without dead ends: 966 [2021-12-06 17:24:31,277 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:24:31,278 INFO L933 BasicCegarLoop]: 1191 mSDtfsCounter, 1616 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 809 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1790 SdHoareTripleChecker+Valid, 2909 SdHoareTripleChecker+Invalid, 1469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 809 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:31,278 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1790 Valid, 2909 Invalid, 1469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 809 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-06 17:24:31,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2021-12-06 17:24:31,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 966. [2021-12-06 17:24:31,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 966 states, 630 states have (on average 1.226984126984127) internal successors, (773), 668 states have internal predecessors, (773), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:24:31,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1241 transitions. [2021-12-06 17:24:31,319 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1241 transitions. Word has length 83 [2021-12-06 17:24:31,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:31,319 INFO L470 AbstractCegarLoop]: Abstraction has 966 states and 1241 transitions. [2021-12-06 17:24:31,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-12-06 17:24:31,319 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1241 transitions. [2021-12-06 17:24:31,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-06 17:24:31,321 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:31,321 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:31,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 17:24:31,321 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:31,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:31,321 INFO L85 PathProgramCache]: Analyzing trace with hash -454572405, now seen corresponding path program 1 times [2021-12-06 17:24:31,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:31,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051099310] [2021-12-06 17:24:31,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:31,322 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:31,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:31,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:31,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:31,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:31,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:24:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:31,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:24:31,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:31,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:24:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:31,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:24:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:31,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:31,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:24:31,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:31,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:24:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:31,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:24:31,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:31,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:24:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:31,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:24:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:31,502 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:24:31,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:24:31,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051099310] [2021-12-06 17:24:31,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051099310] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:24:31,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:24:31,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:24:31,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553068569] [2021-12-06 17:24:31,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:24:31,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:24:31,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:24:31,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:24:31,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:24:31,504 INFO L87 Difference]: Start difference. First operand 966 states and 1241 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-06 17:24:33,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:33,028 INFO L93 Difference]: Finished difference Result 966 states and 1241 transitions. [2021-12-06 17:24:33,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:24:33,029 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 89 [2021-12-06 17:24:33,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:33,035 INFO L225 Difference]: With dead ends: 966 [2021-12-06 17:24:33,035 INFO L226 Difference]: Without dead ends: 964 [2021-12-06 17:24:33,036 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:24:33,037 INFO L933 BasicCegarLoop]: 1189 mSDtfsCounter, 1610 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 807 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1783 SdHoareTripleChecker+Valid, 2907 SdHoareTripleChecker+Invalid, 1467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 807 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:33,037 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1783 Valid, 2907 Invalid, 1467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 807 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-06 17:24:33,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2021-12-06 17:24:33,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2021-12-06 17:24:33,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 629 states have (on average 1.2257551669316376) internal successors, (771), 666 states have internal predecessors, (771), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:24:33,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1239 transitions. [2021-12-06 17:24:33,076 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1239 transitions. Word has length 89 [2021-12-06 17:24:33,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:33,077 INFO L470 AbstractCegarLoop]: Abstraction has 964 states and 1239 transitions. [2021-12-06 17:24:33,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-12-06 17:24:33,077 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1239 transitions. [2021-12-06 17:24:33,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-06 17:24:33,078 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:33,078 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:33,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 17:24:33,079 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:33,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:33,079 INFO L85 PathProgramCache]: Analyzing trace with hash -1517419958, now seen corresponding path program 1 times [2021-12-06 17:24:33,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:33,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949089818] [2021-12-06 17:24:33,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:33,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:33,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:33,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:33,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:33,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:24:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:33,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:24:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:33,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:24:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:33,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:24:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:33,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:33,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:24:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:33,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:24:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:33,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:24:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:33,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:24:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:33,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:24:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:33,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 17:24:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:33,257 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:24:33,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:24:33,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949089818] [2021-12-06 17:24:33,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949089818] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:24:33,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:24:33,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:24:33,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51639399] [2021-12-06 17:24:33,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:24:33,259 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:24:33,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:24:33,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:24:33,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:24:33,260 INFO L87 Difference]: Start difference. First operand 964 states and 1239 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-06 17:24:34,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:34,756 INFO L93 Difference]: Finished difference Result 964 states and 1239 transitions. [2021-12-06 17:24:34,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:24:34,757 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 95 [2021-12-06 17:24:34,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:34,764 INFO L225 Difference]: With dead ends: 964 [2021-12-06 17:24:34,765 INFO L226 Difference]: Without dead ends: 962 [2021-12-06 17:24:34,765 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:24:34,766 INFO L933 BasicCegarLoop]: 1187 mSDtfsCounter, 1604 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 805 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1776 SdHoareTripleChecker+Valid, 2905 SdHoareTripleChecker+Invalid, 1465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 805 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:34,766 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1776 Valid, 2905 Invalid, 1465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 805 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-06 17:24:34,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2021-12-06 17:24:34,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 962. [2021-12-06 17:24:34,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 628 states have (on average 1.2245222929936306) internal successors, (769), 664 states have internal predecessors, (769), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:24:34,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1237 transitions. [2021-12-06 17:24:34,809 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1237 transitions. Word has length 95 [2021-12-06 17:24:34,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:34,810 INFO L470 AbstractCegarLoop]: Abstraction has 962 states and 1237 transitions. [2021-12-06 17:24:34,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-12-06 17:24:34,810 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1237 transitions. [2021-12-06 17:24:34,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-06 17:24:34,811 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:34,811 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:34,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 17:24:34,811 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:34,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:34,812 INFO L85 PathProgramCache]: Analyzing trace with hash 179646454, now seen corresponding path program 1 times [2021-12-06 17:24:34,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:34,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155985583] [2021-12-06 17:24:34,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:34,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:34,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:34,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:34,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:34,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:34,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:24:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:34,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:24:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:34,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:24:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:34,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:24:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:34,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:34,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:24:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:34,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:24:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:34,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:24:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:34,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:24:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:34,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:24:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:34,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 17:24:34,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:34,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:24:34,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:34,968 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:24:34,968 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:24:34,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155985583] [2021-12-06 17:24:34,969 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155985583] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:24:34,969 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:24:34,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:24:34,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938863131] [2021-12-06 17:24:34,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:24:34,969 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:24:34,970 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:24:34,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:24:34,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:24:34,970 INFO L87 Difference]: Start difference. First operand 962 states and 1237 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-06 17:24:36,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:36,377 INFO L93 Difference]: Finished difference Result 962 states and 1237 transitions. [2021-12-06 17:24:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:24:36,377 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2021-12-06 17:24:36,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:36,382 INFO L225 Difference]: With dead ends: 962 [2021-12-06 17:24:36,382 INFO L226 Difference]: Without dead ends: 960 [2021-12-06 17:24:36,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:24:36,383 INFO L933 BasicCegarLoop]: 1185 mSDtfsCounter, 1598 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 803 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1769 SdHoareTripleChecker+Valid, 2903 SdHoareTripleChecker+Invalid, 1463 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 803 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:36,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1769 Valid, 2903 Invalid, 1463 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 803 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 17:24:36,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2021-12-06 17:24:36,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 960. [2021-12-06 17:24:36,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 627 states have (on average 1.223285486443381) internal successors, (767), 662 states have internal predecessors, (767), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:24:36,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1235 transitions. [2021-12-06 17:24:36,420 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1235 transitions. Word has length 101 [2021-12-06 17:24:36,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:36,420 INFO L470 AbstractCegarLoop]: Abstraction has 960 states and 1235 transitions. [2021-12-06 17:24:36,420 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-06 17:24:36,420 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1235 transitions. [2021-12-06 17:24:36,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-06 17:24:36,422 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:36,422 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:36,422 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 17:24:36,422 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:36,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:36,422 INFO L85 PathProgramCache]: Analyzing trace with hash -862139684, now seen corresponding path program 1 times [2021-12-06 17:24:36,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:36,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600579143] [2021-12-06 17:24:36,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:36,423 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:36,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:36,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:36,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:36,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:36,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:24:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:36,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:24:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:36,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:24:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:36,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:24:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:36,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:36,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:24:36,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:36,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:24:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:36,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:24:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:36,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:24:36,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:24:36,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:36,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 17:24:36,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:36,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:24:36,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:36,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 17:24:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:36,569 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:24:36,569 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:24:36,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600579143] [2021-12-06 17:24:36,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600579143] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:24:36,570 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:24:36,570 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:24:36,570 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935476500] [2021-12-06 17:24:36,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:24:36,570 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:24:36,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:24:36,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:24:36,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:24:36,571 INFO L87 Difference]: Start difference. First operand 960 states and 1235 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-06 17:24:38,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:38,090 INFO L93 Difference]: Finished difference Result 960 states and 1235 transitions. [2021-12-06 17:24:38,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:24:38,090 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2021-12-06 17:24:38,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:38,095 INFO L225 Difference]: With dead ends: 960 [2021-12-06 17:24:38,095 INFO L226 Difference]: Without dead ends: 958 [2021-12-06 17:24:38,096 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:24:38,096 INFO L933 BasicCegarLoop]: 1183 mSDtfsCounter, 1592 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 2901 SdHoareTripleChecker+Invalid, 1461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:38,096 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1762 Valid, 2901 Invalid, 1461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-06 17:24:38,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2021-12-06 17:24:38,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 958. [2021-12-06 17:24:38,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 626 states have (on average 1.2220447284345048) internal successors, (765), 660 states have internal predecessors, (765), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:24:38,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1233 transitions. [2021-12-06 17:24:38,133 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1233 transitions. Word has length 107 [2021-12-06 17:24:38,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:38,133 INFO L470 AbstractCegarLoop]: Abstraction has 958 states and 1233 transitions. [2021-12-06 17:24:38,134 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-06 17:24:38,134 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1233 transitions. [2021-12-06 17:24:38,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-06 17:24:38,135 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:38,135 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:38,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 17:24:38,135 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:38,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:38,136 INFO L85 PathProgramCache]: Analyzing trace with hash 215029627, now seen corresponding path program 1 times [2021-12-06 17:24:38,136 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:38,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008863325] [2021-12-06 17:24:38,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:38,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:38,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:38,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:38,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:38,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:24:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:38,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:24:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:38,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:24:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:38,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:24:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:38,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:38,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:24:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:38,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:24:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:38,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:24:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:38,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:24:38,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:38,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:24:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:38,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 17:24:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:38,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:24:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:38,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 17:24:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:38,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:24:38,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:38,280 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:24:38,280 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:24:38,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008863325] [2021-12-06 17:24:38,280 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008863325] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:24:38,280 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:24:38,280 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:24:38,281 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998399039] [2021-12-06 17:24:38,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:24:38,281 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:24:38,281 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:24:38,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:24:38,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:24:38,282 INFO L87 Difference]: Start difference. First operand 958 states and 1233 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-06 17:24:39,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:39,851 INFO L93 Difference]: Finished difference Result 958 states and 1233 transitions. [2021-12-06 17:24:39,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:24:39,851 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 113 [2021-12-06 17:24:39,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:39,856 INFO L225 Difference]: With dead ends: 958 [2021-12-06 17:24:39,856 INFO L226 Difference]: Without dead ends: 956 [2021-12-06 17:24:39,856 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:24:39,857 INFO L933 BasicCegarLoop]: 1181 mSDtfsCounter, 1590 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1759 SdHoareTripleChecker+Valid, 2899 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:39,857 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1759 Valid, 2899 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-06 17:24:39,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2021-12-06 17:24:39,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 956. [2021-12-06 17:24:39,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 625 states have (on average 1.2208) internal successors, (763), 658 states have internal predecessors, (763), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:24:39,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1231 transitions. [2021-12-06 17:24:39,895 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1231 transitions. Word has length 113 [2021-12-06 17:24:39,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:39,895 INFO L470 AbstractCegarLoop]: Abstraction has 956 states and 1231 transitions. [2021-12-06 17:24:39,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-06 17:24:39,895 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1231 transitions. [2021-12-06 17:24:39,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-06 17:24:39,897 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:39,897 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:39,897 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 17:24:39,897 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:39,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:39,897 INFO L85 PathProgramCache]: Analyzing trace with hash 485176158, now seen corresponding path program 1 times [2021-12-06 17:24:39,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:39,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352238218] [2021-12-06 17:24:39,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:39,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:39,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:39,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:39,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:39,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:24:39,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:39,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:24:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:39,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:24:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:39,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:24:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:40,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:40,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:24:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:40,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:24:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:40,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:24:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:40,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:24:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:40,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:24:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:40,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 17:24:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:40,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:24:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:40,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 17:24:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:40,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:24:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:40,039 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:24:40,039 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:24:40,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352238218] [2021-12-06 17:24:40,039 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352238218] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:24:40,039 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:24:40,040 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:24:40,040 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158151735] [2021-12-06 17:24:40,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:24:40,040 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:24:40,040 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:24:40,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:24:40,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:24:40,041 INFO L87 Difference]: Start difference. First operand 956 states and 1231 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-06 17:24:41,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:41,388 INFO L93 Difference]: Finished difference Result 956 states and 1231 transitions. [2021-12-06 17:24:41,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:24:41,388 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 115 [2021-12-06 17:24:41,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:41,393 INFO L225 Difference]: With dead ends: 956 [2021-12-06 17:24:41,393 INFO L226 Difference]: Without dead ends: 954 [2021-12-06 17:24:41,393 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:24:41,394 INFO L933 BasicCegarLoop]: 1179 mSDtfsCounter, 1578 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1747 SdHoareTripleChecker+Valid, 2897 SdHoareTripleChecker+Invalid, 1457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:41,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1747 Valid, 2897 Invalid, 1457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 797 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 17:24:41,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2021-12-06 17:24:41,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 954. [2021-12-06 17:24:41,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 624 states have (on average 1.2195512820512822) internal successors, (761), 656 states have internal predecessors, (761), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:24:41,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1229 transitions. [2021-12-06 17:24:41,432 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1229 transitions. Word has length 115 [2021-12-06 17:24:41,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:41,432 INFO L470 AbstractCegarLoop]: Abstraction has 954 states and 1229 transitions. [2021-12-06 17:24:41,432 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-12-06 17:24:41,432 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1229 transitions. [2021-12-06 17:24:41,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-06 17:24:41,434 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:41,434 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:41,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 17:24:41,434 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:41,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:41,434 INFO L85 PathProgramCache]: Analyzing trace with hash 907436211, now seen corresponding path program 1 times [2021-12-06 17:24:41,434 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:41,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136637052] [2021-12-06 17:24:41,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:41,435 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:41,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:24:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:24:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:24:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:24:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:24:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:24:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:24:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:24:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:24:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 17:24:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:24:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 17:24:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:24:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 17:24:41,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:41,603 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:24:41,604 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:24:41,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136637052] [2021-12-06 17:24:41,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136637052] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:24:41,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:24:41,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:24:41,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955514276] [2021-12-06 17:24:41,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:24:41,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:24:41,604 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:24:41,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:24:41,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:24:41,605 INFO L87 Difference]: Start difference. First operand 954 states and 1229 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-06 17:24:42,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:42,951 INFO L93 Difference]: Finished difference Result 954 states and 1229 transitions. [2021-12-06 17:24:42,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:24:42,951 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 121 [2021-12-06 17:24:42,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:42,956 INFO L225 Difference]: With dead ends: 954 [2021-12-06 17:24:42,956 INFO L226 Difference]: Without dead ends: 952 [2021-12-06 17:24:42,956 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:24:42,957 INFO L933 BasicCegarLoop]: 1177 mSDtfsCounter, 1574 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1742 SdHoareTripleChecker+Valid, 2895 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:42,957 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1742 Valid, 2895 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 17:24:42,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2021-12-06 17:24:42,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 952. [2021-12-06 17:24:42,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 623 states have (on average 1.218298555377207) internal successors, (759), 654 states have internal predecessors, (759), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:24:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1227 transitions. [2021-12-06 17:24:42,994 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1227 transitions. Word has length 121 [2021-12-06 17:24:42,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:42,995 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1227 transitions. [2021-12-06 17:24:42,995 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-12-06 17:24:42,995 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1227 transitions. [2021-12-06 17:24:42,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-06 17:24:42,997 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:42,997 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:42,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 17:24:42,997 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:42,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:42,997 INFO L85 PathProgramCache]: Analyzing trace with hash -289800848, now seen corresponding path program 1 times [2021-12-06 17:24:42,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:42,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627878062] [2021-12-06 17:24:42,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:42,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:43,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:24:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:24:43,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:24:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:24:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 17:24:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:24:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:24:43,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 17:24:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:24:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:24:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 17:24:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:24:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:24:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 17:24:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:24:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:24:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 17:24:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:24:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-06 17:24:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:43,307 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-06 17:24:43,308 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:24:43,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627878062] [2021-12-06 17:24:43,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627878062] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:24:43,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:24:43,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 17:24:43,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459456017] [2021-12-06 17:24:43,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:24:43,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:24:43,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:24:43,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:24:43,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:24:43,310 INFO L87 Difference]: Start difference. First operand 952 states and 1227 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-06 17:24:46,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:46,211 INFO L93 Difference]: Finished difference Result 1878 states and 2427 transitions. [2021-12-06 17:24:46,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 17:24:46,211 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 164 [2021-12-06 17:24:46,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:46,217 INFO L225 Difference]: With dead ends: 1878 [2021-12-06 17:24:46,217 INFO L226 Difference]: Without dead ends: 965 [2021-12-06 17:24:46,221 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2021-12-06 17:24:46,221 INFO L933 BasicCegarLoop]: 1172 mSDtfsCounter, 1892 mSDsluCounter, 3456 mSDsCounter, 0 mSdLazyCounter, 2172 mSolverCounterSat, 954 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2073 SdHoareTripleChecker+Valid, 4628 SdHoareTripleChecker+Invalid, 3126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 954 IncrementalHoareTripleChecker+Valid, 2172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:46,222 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2073 Valid, 4628 Invalid, 3126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [954 Valid, 2172 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2021-12-06 17:24:46,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 965 states. [2021-12-06 17:24:46,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 965 to 952. [2021-12-06 17:24:46,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 623 states have (on average 1.21669341894061) internal successors, (758), 654 states have internal predecessors, (758), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:24:46,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1226 transitions. [2021-12-06 17:24:46,276 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1226 transitions. Word has length 164 [2021-12-06 17:24:46,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:46,276 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1226 transitions. [2021-12-06 17:24:46,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2021-12-06 17:24:46,277 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1226 transitions. [2021-12-06 17:24:46,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-06 17:24:46,278 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:46,278 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:46,278 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-06 17:24:46,279 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:46,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:46,279 INFO L85 PathProgramCache]: Analyzing trace with hash -289741266, now seen corresponding path program 1 times [2021-12-06 17:24:46,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:46,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375901788] [2021-12-06 17:24:46,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:46,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:46,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:24:46,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:24:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:24:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:24:46,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 17:24:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:46,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:24:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:24:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 17:24:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:24:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:24:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 17:24:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:24:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:24:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 17:24:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:46,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:24:46,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:24:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 17:24:46,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:24:46,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2021-12-06 17:24:46,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-06 17:24:46,486 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:24:46,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375901788] [2021-12-06 17:24:46,487 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375901788] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:24:46,487 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:24:46,487 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:24:46,487 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995402227] [2021-12-06 17:24:46,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:24:46,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:24:46,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:24:46,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:24:46,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:24:46,488 INFO L87 Difference]: Start difference. First operand 952 states and 1226 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 17:24:48,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:48,561 INFO L93 Difference]: Finished difference Result 965 states and 1247 transitions. [2021-12-06 17:24:48,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 17:24:48,561 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 164 [2021-12-06 17:24:48,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:48,566 INFO L225 Difference]: With dead ends: 965 [2021-12-06 17:24:48,566 INFO L226 Difference]: Without dead ends: 963 [2021-12-06 17:24:48,566 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:24:48,567 INFO L933 BasicCegarLoop]: 1171 mSDtfsCounter, 967 mSDsluCounter, 3024 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 848 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 967 SdHoareTripleChecker+Valid, 4195 SdHoareTripleChecker+Invalid, 2221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 848 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:48,567 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [967 Valid, 4195 Invalid, 2221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [848 Valid, 1373 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-06 17:24:48,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2021-12-06 17:24:48,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 950. [2021-12-06 17:24:48,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 622 states have (on average 1.2154340836012862) internal successors, (756), 652 states have internal predecessors, (756), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:24:48,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1224 transitions. [2021-12-06 17:24:48,607 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1224 transitions. Word has length 164 [2021-12-06 17:24:48,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:48,608 INFO L470 AbstractCegarLoop]: Abstraction has 950 states and 1224 transitions. [2021-12-06 17:24:48,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 17:24:48,608 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1224 transitions. [2021-12-06 17:24:48,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-06 17:24:48,610 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:48,610 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:48,610 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-06 17:24:48,610 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:48,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:48,610 INFO L85 PathProgramCache]: Analyzing trace with hash 1029929949, now seen corresponding path program 1 times [2021-12-06 17:24:48,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:48,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659517238] [2021-12-06 17:24:48,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:48,611 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:24:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:24:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:24:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:24:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:24:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:24:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:24:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:24:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:24:48,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 17:24:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:24:48,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 17:24:48,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:24:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 17:24:48,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 17:24:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:48,803 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:24:48,804 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:24:48,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659517238] [2021-12-06 17:24:48,804 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659517238] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:24:48,804 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:24:48,804 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:24:48,804 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347337675] [2021-12-06 17:24:48,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:24:48,805 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:24:48,805 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:24:48,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:24:48,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:24:48,806 INFO L87 Difference]: Start difference. First operand 950 states and 1224 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-06 17:24:50,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:50,238 INFO L93 Difference]: Finished difference Result 950 states and 1224 transitions. [2021-12-06 17:24:50,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:24:50,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 127 [2021-12-06 17:24:50,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:50,243 INFO L225 Difference]: With dead ends: 950 [2021-12-06 17:24:50,243 INFO L226 Difference]: Without dead ends: 948 [2021-12-06 17:24:50,243 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:24:50,244 INFO L933 BasicCegarLoop]: 1172 mSDtfsCounter, 1559 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1726 SdHoareTripleChecker+Valid, 2890 SdHoareTripleChecker+Invalid, 1450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:50,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1726 Valid, 2890 Invalid, 1450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-06 17:24:50,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2021-12-06 17:24:50,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 948. [2021-12-06 17:24:50,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 621 states have (on average 1.214170692431562) internal successors, (754), 650 states have internal predecessors, (754), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:24:50,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1222 transitions. [2021-12-06 17:24:50,284 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1222 transitions. Word has length 127 [2021-12-06 17:24:50,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:50,285 INFO L470 AbstractCegarLoop]: Abstraction has 948 states and 1222 transitions. [2021-12-06 17:24:50,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-12-06 17:24:50,285 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1222 transitions. [2021-12-06 17:24:50,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2021-12-06 17:24:50,287 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:50,287 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:50,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-06 17:24:50,287 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:50,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:50,287 INFO L85 PathProgramCache]: Analyzing trace with hash 2095809396, now seen corresponding path program 1 times [2021-12-06 17:24:50,287 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:50,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788062887] [2021-12-06 17:24:50,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:50,288 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:50,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:24:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:24:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:24:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:24:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 17:24:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:24:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:24:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 17:24:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:24:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:24:50,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 17:24:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:24:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:24:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 17:24:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:24:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:24:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 17:24:50,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:24:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-06 17:24:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:50,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:50,495 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-06 17:24:50,495 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:24:50,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788062887] [2021-12-06 17:24:50,495 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788062887] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:24:50,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:24:50,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:24:50,496 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173016650] [2021-12-06 17:24:50,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:24:50,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:24:50,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:24:50,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:24:50,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:24:50,496 INFO L87 Difference]: Start difference. First operand 948 states and 1222 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-06 17:24:51,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:51,954 INFO L93 Difference]: Finished difference Result 1866 states and 2413 transitions. [2021-12-06 17:24:51,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:24:51,954 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 171 [2021-12-06 17:24:51,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:51,959 INFO L225 Difference]: With dead ends: 1866 [2021-12-06 17:24:51,959 INFO L226 Difference]: Without dead ends: 957 [2021-12-06 17:24:51,961 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:24:51,962 INFO L933 BasicCegarLoop]: 1165 mSDtfsCounter, 1853 mSDsluCounter, 1316 mSDsCounter, 0 mSdLazyCounter, 637 mSolverCounterSat, 949 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2034 SdHoareTripleChecker+Valid, 2481 SdHoareTripleChecker+Invalid, 1586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 949 IncrementalHoareTripleChecker+Valid, 637 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:51,962 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2034 Valid, 2481 Invalid, 1586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [949 Valid, 637 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-12-06 17:24:51,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2021-12-06 17:24:52,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 944. [2021-12-06 17:24:52,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 618 states have (on average 1.2119741100323624) internal successors, (749), 646 states have internal predecessors, (749), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:24:52,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1217 transitions. [2021-12-06 17:24:52,016 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1217 transitions. Word has length 171 [2021-12-06 17:24:52,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:52,016 INFO L470 AbstractCegarLoop]: Abstraction has 944 states and 1217 transitions. [2021-12-06 17:24:52,016 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-12-06 17:24:52,016 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1217 transitions. [2021-12-06 17:24:52,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-06 17:24:52,018 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:52,018 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:52,018 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-06 17:24:52,018 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:52,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:52,019 INFO L85 PathProgramCache]: Analyzing trace with hash 664932848, now seen corresponding path program 1 times [2021-12-06 17:24:52,019 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:52,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162907921] [2021-12-06 17:24:52,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:52,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:52,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:24:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:24:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:24:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:24:52,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:24:52,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:24:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:24:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:24:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:24:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 17:24:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:24:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 17:24:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:24:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 17:24:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 17:24:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 17:24:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:52,165 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:24:52,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:24:52,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162907921] [2021-12-06 17:24:52,165 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162907921] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:24:52,165 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:24:52,165 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:24:52,165 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49840764] [2021-12-06 17:24:52,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:24:52,166 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:24:52,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:24:52,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:24:52,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:24:52,166 INFO L87 Difference]: Start difference. First operand 944 states and 1217 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-06 17:24:53,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:53,585 INFO L93 Difference]: Finished difference Result 944 states and 1217 transitions. [2021-12-06 17:24:53,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:24:53,586 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 133 [2021-12-06 17:24:53,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:53,590 INFO L225 Difference]: With dead ends: 944 [2021-12-06 17:24:53,590 INFO L226 Difference]: Without dead ends: 942 [2021-12-06 17:24:53,591 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:24:53,591 INFO L933 BasicCegarLoop]: 1165 mSDtfsCounter, 1538 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 783 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1704 SdHoareTripleChecker+Valid, 2883 SdHoareTripleChecker+Invalid, 1443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:53,591 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1704 Valid, 2883 Invalid, 1443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 783 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 17:24:53,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2021-12-06 17:24:53,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 942. [2021-12-06 17:24:53,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 617 states have (on average 1.2106969205834683) internal successors, (747), 644 states have internal predecessors, (747), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:24:53,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1215 transitions. [2021-12-06 17:24:53,641 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1215 transitions. Word has length 133 [2021-12-06 17:24:53,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:53,642 INFO L470 AbstractCegarLoop]: Abstraction has 942 states and 1215 transitions. [2021-12-06 17:24:53,642 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-12-06 17:24:53,642 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1215 transitions. [2021-12-06 17:24:53,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-12-06 17:24:53,643 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:53,643 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:53,643 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-06 17:24:53,644 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:53,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:53,644 INFO L85 PathProgramCache]: Analyzing trace with hash -793485747, now seen corresponding path program 1 times [2021-12-06 17:24:53,644 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:53,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127770228] [2021-12-06 17:24:53,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:53,644 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:24:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:24:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:24:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:24:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:24:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:24:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:24:53,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 17:24:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:24:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:24:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:24:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:24:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:24:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 17:24:53,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:24:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:24:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:24:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 17:24:53,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:24:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:53,865 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2021-12-06 17:24:53,865 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:24:53,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127770228] [2021-12-06 17:24:53,865 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127770228] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:24:53,865 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:24:53,866 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 17:24:53,866 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842483498] [2021-12-06 17:24:53,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:24:53,866 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:24:53,866 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:24:53,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:24:53,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:24:53,867 INFO L87 Difference]: Start difference. First operand 942 states and 1215 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2021-12-06 17:24:56,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:56,522 INFO L93 Difference]: Finished difference Result 1900 states and 2489 transitions. [2021-12-06 17:24:56,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 17:24:56,523 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 167 [2021-12-06 17:24:56,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:56,529 INFO L225 Difference]: With dead ends: 1900 [2021-12-06 17:24:56,529 INFO L226 Difference]: Without dead ends: 1232 [2021-12-06 17:24:56,530 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2021-12-06 17:24:56,530 INFO L933 BasicCegarLoop]: 1288 mSDtfsCounter, 1418 mSDsluCounter, 5065 mSDsCounter, 0 mSdLazyCounter, 2371 mSolverCounterSat, 1233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1418 SdHoareTripleChecker+Valid, 6353 SdHoareTripleChecker+Invalid, 3604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1233 IncrementalHoareTripleChecker+Valid, 2371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:56,531 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1418 Valid, 6353 Invalid, 3604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1233 Valid, 2371 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-06 17:24:56,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2021-12-06 17:24:56,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 947. [2021-12-06 17:24:56,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 621 states have (on average 1.209339774557166) internal successors, (751), 648 states have internal predecessors, (751), 235 states have call successors, (235), 75 states have call predecessors, (235), 75 states have return successors, (236), 231 states have call predecessors, (236), 233 states have call successors, (236) [2021-12-06 17:24:56,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1222 transitions. [2021-12-06 17:24:56,583 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1222 transitions. Word has length 167 [2021-12-06 17:24:56,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:56,583 INFO L470 AbstractCegarLoop]: Abstraction has 947 states and 1222 transitions. [2021-12-06 17:24:56,583 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2021-12-06 17:24:56,583 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1222 transitions. [2021-12-06 17:24:56,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-12-06 17:24:56,584 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:56,585 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:56,585 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-06 17:24:56,585 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:56,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:56,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1553023, now seen corresponding path program 1 times [2021-12-06 17:24:56,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:56,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168838530] [2021-12-06 17:24:56,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:56,585 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:56,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:24:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:24:56,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:24:56,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:24:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:24:56,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:24:56,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:24:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:24:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:24:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 17:24:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:24:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 17:24:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:24:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 17:24:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 17:24:56,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 17:24:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-06 17:24:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:56,763 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:24:56,763 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:24:56,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168838530] [2021-12-06 17:24:56,764 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168838530] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:24:56,764 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:24:56,764 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:24:56,764 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516242581] [2021-12-06 17:24:56,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:24:56,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:24:56,765 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:24:56,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:24:56,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:24:56,766 INFO L87 Difference]: Start difference. First operand 947 states and 1222 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-06 17:24:58,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:58,187 INFO L93 Difference]: Finished difference Result 947 states and 1222 transitions. [2021-12-06 17:24:58,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:24:58,187 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 139 [2021-12-06 17:24:58,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:58,192 INFO L225 Difference]: With dead ends: 947 [2021-12-06 17:24:58,192 INFO L226 Difference]: Without dead ends: 945 [2021-12-06 17:24:58,192 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:24:58,192 INFO L933 BasicCegarLoop]: 1163 mSDtfsCounter, 1532 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1697 SdHoareTripleChecker+Valid, 2881 SdHoareTripleChecker+Invalid, 1441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:58,193 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1697 Valid, 2881 Invalid, 1441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 17:24:58,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2021-12-06 17:24:58,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 945. [2021-12-06 17:24:58,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 620 states have (on average 1.2080645161290322) internal successors, (749), 646 states have internal predecessors, (749), 235 states have call successors, (235), 75 states have call predecessors, (235), 75 states have return successors, (236), 231 states have call predecessors, (236), 233 states have call successors, (236) [2021-12-06 17:24:58,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1220 transitions. [2021-12-06 17:24:58,241 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1220 transitions. Word has length 139 [2021-12-06 17:24:58,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:58,241 INFO L470 AbstractCegarLoop]: Abstraction has 945 states and 1220 transitions. [2021-12-06 17:24:58,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-12-06 17:24:58,241 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1220 transitions. [2021-12-06 17:24:58,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-06 17:24:58,242 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:58,242 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:58,243 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-12-06 17:24:58,243 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:58,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:58,243 INFO L85 PathProgramCache]: Analyzing trace with hash 155827134, now seen corresponding path program 1 times [2021-12-06 17:24:58,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:58,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055430149] [2021-12-06 17:24:58,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:58,243 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:24:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:24:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:24:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:24:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:24:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:24:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:24:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:24:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:24:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:24:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 17:24:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:24:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 17:24:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:24:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 17:24:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 17:24:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 17:24:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-06 17:24:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:24:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:58,415 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:24:58,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:24:58,416 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055430149] [2021-12-06 17:24:58,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055430149] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:24:58,416 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:24:58,416 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:24:58,416 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735817288] [2021-12-06 17:24:58,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:24:58,416 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:24:58,417 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:24:58,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:24:58,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:24:58,417 INFO L87 Difference]: Start difference. First operand 945 states and 1220 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-06 17:24:59,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:24:59,826 INFO L93 Difference]: Finished difference Result 945 states and 1220 transitions. [2021-12-06 17:24:59,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:24:59,826 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 145 [2021-12-06 17:24:59,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:24:59,831 INFO L225 Difference]: With dead ends: 945 [2021-12-06 17:24:59,831 INFO L226 Difference]: Without dead ends: 943 [2021-12-06 17:24:59,831 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:24:59,832 INFO L933 BasicCegarLoop]: 1161 mSDtfsCounter, 1526 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1690 SdHoareTripleChecker+Valid, 2879 SdHoareTripleChecker+Invalid, 1439 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:24:59,832 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1690 Valid, 2879 Invalid, 1439 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 17:24:59,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2021-12-06 17:24:59,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 943. [2021-12-06 17:24:59,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 619 states have (on average 1.2067851373182552) internal successors, (747), 644 states have internal predecessors, (747), 235 states have call successors, (235), 75 states have call predecessors, (235), 75 states have return successors, (236), 231 states have call predecessors, (236), 233 states have call successors, (236) [2021-12-06 17:24:59,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1218 transitions. [2021-12-06 17:24:59,892 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1218 transitions. Word has length 145 [2021-12-06 17:24:59,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:24:59,892 INFO L470 AbstractCegarLoop]: Abstraction has 943 states and 1218 transitions. [2021-12-06 17:24:59,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-06 17:24:59,892 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1218 transitions. [2021-12-06 17:24:59,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-12-06 17:24:59,894 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:24:59,895 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:24:59,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-12-06 17:24:59,895 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:24:59,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:24:59,896 INFO L85 PathProgramCache]: Analyzing trace with hash -190426035, now seen corresponding path program 1 times [2021-12-06 17:24:59,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:24:59,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287755977] [2021-12-06 17:24:59,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:24:59,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:24:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:59,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:24:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:59,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:24:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:59,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:24:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:24:59,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:25:00,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:25:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:25:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:00,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:25:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:25:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:25:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 17:25:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:25:00,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 17:25:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:00,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:25:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 17:25:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:25:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:00,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:25:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:25:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:00,111 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2021-12-06 17:25:00,111 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:25:00,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287755977] [2021-12-06 17:25:00,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287755977] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:25:00,111 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:25:00,112 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 17:25:00,112 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10089547] [2021-12-06 17:25:00,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:25:00,112 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 17:25:00,112 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:25:00,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 17:25:00,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:25:00,113 INFO L87 Difference]: Start difference. First operand 943 states and 1218 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-06 17:25:02,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:25:02,290 INFO L93 Difference]: Finished difference Result 1056 states and 1337 transitions. [2021-12-06 17:25:02,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 17:25:02,291 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 183 [2021-12-06 17:25:02,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:25:02,296 INFO L225 Difference]: With dead ends: 1056 [2021-12-06 17:25:02,296 INFO L226 Difference]: Without dead ends: 1054 [2021-12-06 17:25:02,296 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2021-12-06 17:25:02,297 INFO L933 BasicCegarLoop]: 1191 mSDtfsCounter, 1876 mSDsluCounter, 3122 mSDsCounter, 0 mSdLazyCounter, 1563 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 4313 SdHoareTripleChecker+Invalid, 2579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 1563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:25:02,297 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2028 Valid, 4313 Invalid, 2579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 1563 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-06 17:25:02,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2021-12-06 17:25:02,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1037. [2021-12-06 17:25:02,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1037 states, 682 states have (on average 1.2023460410557185) internal successors, (820), 707 states have internal predecessors, (820), 247 states have call successors, (247), 94 states have call predecessors, (247), 94 states have return successors, (248), 243 states have call predecessors, (248), 245 states have call successors, (248) [2021-12-06 17:25:02,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1315 transitions. [2021-12-06 17:25:02,351 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1315 transitions. Word has length 183 [2021-12-06 17:25:02,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:25:02,351 INFO L470 AbstractCegarLoop]: Abstraction has 1037 states and 1315 transitions. [2021-12-06 17:25:02,351 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-06 17:25:02,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1315 transitions. [2021-12-06 17:25:02,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-12-06 17:25:02,352 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:25:02,353 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:25:02,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-12-06 17:25:02,353 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:25:02,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:25:02,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1747305839, now seen corresponding path program 1 times [2021-12-06 17:25:02,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:25:02,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290205690] [2021-12-06 17:25:02,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:02,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:25:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:25:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:25:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:25:02,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:25:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:25:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:25:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:25:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:25:02,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:25:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:25:02,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 17:25:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:25:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 17:25:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:25:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 17:25:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 17:25:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 17:25:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-06 17:25:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:25:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:25:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:02,504 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:25:02,504 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:25:02,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290205690] [2021-12-06 17:25:02,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290205690] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:25:02,504 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:25:02,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:25:02,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475838841] [2021-12-06 17:25:02,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:25:02,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:25:02,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:25:02,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:25:02,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:25:02,505 INFO L87 Difference]: Start difference. First operand 1037 states and 1315 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 17:25:03,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:25:03,778 INFO L93 Difference]: Finished difference Result 1037 states and 1315 transitions. [2021-12-06 17:25:03,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:25:03,778 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 151 [2021-12-06 17:25:03,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:25:03,783 INFO L225 Difference]: With dead ends: 1037 [2021-12-06 17:25:03,783 INFO L226 Difference]: Without dead ends: 1035 [2021-12-06 17:25:03,783 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:25:03,784 INFO L933 BasicCegarLoop]: 1159 mSDtfsCounter, 1520 mSDsluCounter, 1718 mSDsCounter, 0 mSdLazyCounter, 777 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1683 SdHoareTripleChecker+Valid, 2877 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:25:03,784 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1683 Valid, 2877 Invalid, 1437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 777 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-06 17:25:03,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1035 states. [2021-12-06 17:25:03,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1035 to 1035. [2021-12-06 17:25:03,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 681 states have (on average 1.2011747430249633) internal successors, (818), 705 states have internal predecessors, (818), 247 states have call successors, (247), 94 states have call predecessors, (247), 94 states have return successors, (248), 243 states have call predecessors, (248), 245 states have call successors, (248) [2021-12-06 17:25:03,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1313 transitions. [2021-12-06 17:25:03,842 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1313 transitions. Word has length 151 [2021-12-06 17:25:03,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:25:03,842 INFO L470 AbstractCegarLoop]: Abstraction has 1035 states and 1313 transitions. [2021-12-06 17:25:03,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 17:25:03,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1313 transitions. [2021-12-06 17:25:03,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-12-06 17:25:03,843 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:25:03,844 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:25:03,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-12-06 17:25:03,844 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:25:03,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:25:03,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1924683292, now seen corresponding path program 1 times [2021-12-06 17:25:03,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:25:03,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231322454] [2021-12-06 17:25:03,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:03,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:25:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:25:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:25:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:25:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:03,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 17:25:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 17:25:03,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:03,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 17:25:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:03,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 17:25:03,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:03,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:04,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:04,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 17:25:04,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:04,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:25:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:04,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-06 17:25:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:04,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:04,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:04,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:04,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:04,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:25:04,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:04,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:04,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:04,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:04,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:25:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:04,041 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2021-12-06 17:25:04,041 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:25:04,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231322454] [2021-12-06 17:25:04,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231322454] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:25:04,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:25:04,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:25:04,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100919549] [2021-12-06 17:25:04,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:25:04,042 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:25:04,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:25:04,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:25:04,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:25:04,043 INFO L87 Difference]: Start difference. First operand 1035 states and 1313 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-06 17:25:05,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:25:05,729 INFO L93 Difference]: Finished difference Result 1945 states and 2449 transitions. [2021-12-06 17:25:05,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:25:05,729 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 199 [2021-12-06 17:25:05,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:25:05,734 INFO L225 Difference]: With dead ends: 1945 [2021-12-06 17:25:05,734 INFO L226 Difference]: Without dead ends: 1042 [2021-12-06 17:25:05,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:25:05,736 INFO L933 BasicCegarLoop]: 966 mSDtfsCounter, 1832 mSDsluCounter, 1264 mSDsCounter, 0 mSdLazyCounter, 862 mSolverCounterSat, 954 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2017 SdHoareTripleChecker+Valid, 2230 SdHoareTripleChecker+Invalid, 1816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 954 IncrementalHoareTripleChecker+Valid, 862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-12-06 17:25:05,737 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2017 Valid, 2230 Invalid, 1816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [954 Valid, 862 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-12-06 17:25:05,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2021-12-06 17:25:05,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1031. [2021-12-06 17:25:05,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1031 states, 678 states have (on average 1.1991150442477876) internal successors, (813), 701 states have internal predecessors, (813), 247 states have call successors, (247), 94 states have call predecessors, (247), 94 states have return successors, (248), 243 states have call predecessors, (248), 245 states have call successors, (248) [2021-12-06 17:25:05,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1308 transitions. [2021-12-06 17:25:05,805 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1308 transitions. Word has length 199 [2021-12-06 17:25:05,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:25:05,806 INFO L470 AbstractCegarLoop]: Abstraction has 1031 states and 1308 transitions. [2021-12-06 17:25:05,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-12-06 17:25:05,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1308 transitions. [2021-12-06 17:25:05,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-12-06 17:25:05,807 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:25:05,807 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:25:05,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-12-06 17:25:05,807 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:25:05,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:25:05,808 INFO L85 PathProgramCache]: Analyzing trace with hash 794045404, now seen corresponding path program 1 times [2021-12-06 17:25:05,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:25:05,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562245237] [2021-12-06 17:25:05,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:05,808 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:25:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:25:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:25:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:25:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:25:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:25:05,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:25:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:25:05,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:25:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:25:05,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:25:05,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 17:25:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:25:05,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 17:25:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:25:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 17:25:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 17:25:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 17:25:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-06 17:25:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:25:05,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:25:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-06 17:25:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:25:05,959 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:25:05,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562245237] [2021-12-06 17:25:05,959 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562245237] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:25:05,959 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:25:05,959 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:25:05,960 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768204722] [2021-12-06 17:25:05,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:25:05,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:25:05,960 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:25:05,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:25:05,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:25:05,960 INFO L87 Difference]: Start difference. First operand 1031 states and 1308 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-06 17:25:07,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:25:07,388 INFO L93 Difference]: Finished difference Result 1031 states and 1308 transitions. [2021-12-06 17:25:07,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:25:07,389 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 157 [2021-12-06 17:25:07,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:25:07,393 INFO L225 Difference]: With dead ends: 1031 [2021-12-06 17:25:07,393 INFO L226 Difference]: Without dead ends: 1029 [2021-12-06 17:25:07,394 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:25:07,394 INFO L933 BasicCegarLoop]: 1152 mSDtfsCounter, 1509 mSDsluCounter, 1704 mSDsCounter, 0 mSdLazyCounter, 774 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1671 SdHoareTripleChecker+Valid, 2856 SdHoareTripleChecker+Invalid, 1434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 774 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:25:07,394 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1671 Valid, 2856 Invalid, 1434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 774 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 17:25:07,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1029 states. [2021-12-06 17:25:07,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1029 to 1029. [2021-12-06 17:25:07,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 677 states have (on average 1.1979320531757756) internal successors, (811), 699 states have internal predecessors, (811), 247 states have call successors, (247), 94 states have call predecessors, (247), 94 states have return successors, (248), 243 states have call predecessors, (248), 245 states have call successors, (248) [2021-12-06 17:25:07,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1306 transitions. [2021-12-06 17:25:07,455 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1306 transitions. Word has length 157 [2021-12-06 17:25:07,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:25:07,456 INFO L470 AbstractCegarLoop]: Abstraction has 1029 states and 1306 transitions. [2021-12-06 17:25:07,456 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-06 17:25:07,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1306 transitions. [2021-12-06 17:25:07,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2021-12-06 17:25:07,457 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:25:07,457 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:25:07,457 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-12-06 17:25:07,458 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:25:07,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:25:07,458 INFO L85 PathProgramCache]: Analyzing trace with hash -8470101, now seen corresponding path program 1 times [2021-12-06 17:25:07,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:25:07,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792393909] [2021-12-06 17:25:07,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:07,458 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:25:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:25:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:25:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:25:07,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:07,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:07,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 17:25:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 17:25:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 17:25:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 17:25:07,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 17:25:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:25:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-06 17:25:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:07,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:07,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:25:07,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:07,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:25:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2021-12-06 17:25:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:07,668 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2021-12-06 17:25:07,668 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:25:07,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792393909] [2021-12-06 17:25:07,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792393909] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:25:07,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900367927] [2021-12-06 17:25:07,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:07,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:25:07,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:25:07,669 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:25:07,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-06 17:25:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 2061 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 17:25:08,058 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:25:08,220 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2021-12-06 17:25:08,220 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:25:08,220 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900367927] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:25:08,220 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:25:08,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2021-12-06 17:25:08,221 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504824834] [2021-12-06 17:25:08,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:25:08,221 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 17:25:08,221 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:25:08,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:25:08,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:25:08,222 INFO L87 Difference]: Start difference. First operand 1029 states and 1306 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 17:25:08,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:25:08,302 INFO L93 Difference]: Finished difference Result 1975 states and 2484 transitions. [2021-12-06 17:25:08,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:25:08,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 205 [2021-12-06 17:25:08,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:25:08,309 INFO L225 Difference]: With dead ends: 1975 [2021-12-06 17:25:08,309 INFO L226 Difference]: Without dead ends: 1081 [2021-12-06 17:25:08,310 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:25:08,311 INFO L933 BasicCegarLoop]: 1261 mSDtfsCounter, 1136 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1136 SdHoareTripleChecker+Valid, 1328 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:25:08,311 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1136 Valid, 1328 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:25:08,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1081 states. [2021-12-06 17:25:08,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1081 to 1078. [2021-12-06 17:25:08,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1078 states, 706 states have (on average 1.1912181303116147) internal successors, (841), 731 states have internal predecessors, (841), 262 states have call successors, (262), 100 states have call predecessors, (262), 100 states have return successors, (263), 256 states have call predecessors, (263), 260 states have call successors, (263) [2021-12-06 17:25:08,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 1078 states and 1366 transitions. [2021-12-06 17:25:08,377 INFO L78 Accepts]: Start accepts. Automaton has 1078 states and 1366 transitions. Word has length 205 [2021-12-06 17:25:08,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:25:08,377 INFO L470 AbstractCegarLoop]: Abstraction has 1078 states and 1366 transitions. [2021-12-06 17:25:08,377 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-12-06 17:25:08,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1366 transitions. [2021-12-06 17:25:08,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-12-06 17:25:08,378 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:25:08,379 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:25:08,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-06 17:25:08,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:25:08,581 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:25:08,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:25:08,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1444426604, now seen corresponding path program 1 times [2021-12-06 17:25:08,582 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:25:08,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816879250] [2021-12-06 17:25:08,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:08,583 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:25:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:25:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:25:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:25:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:25:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:25:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:08,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:25:08,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:25:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:25:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:25:08,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:25:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 17:25:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:25:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 17:25:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:25:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 17:25:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 17:25:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 17:25:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-06 17:25:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:25:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:25:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-06 17:25:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-06 17:25:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:08,784 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:25:08,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:25:08,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816879250] [2021-12-06 17:25:08,785 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816879250] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:25:08,785 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:25:08,785 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:25:08,785 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024175898] [2021-12-06 17:25:08,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:25:08,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:25:08,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:25:08,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:25:08,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:25:08,786 INFO L87 Difference]: Start difference. First operand 1078 states and 1366 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-06 17:25:10,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:25:10,131 INFO L93 Difference]: Finished difference Result 1078 states and 1366 transitions. [2021-12-06 17:25:10,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:25:10,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 163 [2021-12-06 17:25:10,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:25:10,137 INFO L225 Difference]: With dead ends: 1078 [2021-12-06 17:25:10,137 INFO L226 Difference]: Without dead ends: 1076 [2021-12-06 17:25:10,137 INFO L932 BasicCegarLoop]: 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 [2021-12-06 17:25:10,137 INFO L933 BasicCegarLoop]: 1145 mSDtfsCounter, 1498 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1659 SdHoareTripleChecker+Valid, 2835 SdHoareTripleChecker+Invalid, 1431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:25:10,138 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1659 Valid, 2835 Invalid, 1431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-06 17:25:10,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2021-12-06 17:25:10,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 1076. [2021-12-06 17:25:10,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 705 states have (on average 1.1900709219858157) internal successors, (839), 729 states have internal predecessors, (839), 262 states have call successors, (262), 100 states have call predecessors, (262), 100 states have return successors, (263), 256 states have call predecessors, (263), 260 states have call successors, (263) [2021-12-06 17:25:10,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1364 transitions. [2021-12-06 17:25:10,212 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1364 transitions. Word has length 163 [2021-12-06 17:25:10,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:25:10,212 INFO L470 AbstractCegarLoop]: Abstraction has 1076 states and 1364 transitions. [2021-12-06 17:25:10,212 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-06 17:25:10,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1364 transitions. [2021-12-06 17:25:10,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-12-06 17:25:10,214 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:25:10,214 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:25:10,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-12-06 17:25:10,214 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:25:10,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:25:10,215 INFO L85 PathProgramCache]: Analyzing trace with hash -997022710, now seen corresponding path program 1 times [2021-12-06 17:25:10,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:25:10,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787563188] [2021-12-06 17:25:10,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:10,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:25:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:25:10,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:25:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:25:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:25:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:25:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:25:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:25:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:25:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 17:25:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:25:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 17:25:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:25:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 17:25:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:25:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:25:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:25:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 17:25:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-06 17:25:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:10,436 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2021-12-06 17:25:10,436 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:25:10,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787563188] [2021-12-06 17:25:10,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787563188] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:25:10,437 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:25:10,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 17:25:10,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134378867] [2021-12-06 17:25:10,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:25:10,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:25:10,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:25:10,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:25:10,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:25:10,438 INFO L87 Difference]: Start difference. First operand 1076 states and 1364 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 17:25:14,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:25:14,026 INFO L93 Difference]: Finished difference Result 1758 states and 2203 transitions. [2021-12-06 17:25:14,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 17:25:14,027 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 201 [2021-12-06 17:25:14,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:25:14,034 INFO L225 Difference]: With dead ends: 1758 [2021-12-06 17:25:14,034 INFO L226 Difference]: Without dead ends: 1756 [2021-12-06 17:25:14,035 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2021-12-06 17:25:14,035 INFO L933 BasicCegarLoop]: 1526 mSDtfsCounter, 2897 mSDsluCounter, 5355 mSDsCounter, 0 mSdLazyCounter, 2390 mSolverCounterSat, 1637 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3058 SdHoareTripleChecker+Valid, 6881 SdHoareTripleChecker+Invalid, 4027 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1637 IncrementalHoareTripleChecker+Valid, 2390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:25:14,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3058 Valid, 6881 Invalid, 4027 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1637 Valid, 2390 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-06 17:25:14,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1756 states. [2021-12-06 17:25:14,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1756 to 1702. [2021-12-06 17:25:14,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1702 states, 1132 states have (on average 1.1934628975265018) internal successors, (1351), 1170 states have internal predecessors, (1351), 391 states have call successors, (391), 170 states have call predecessors, (391), 170 states have return successors, (397), 373 states have call predecessors, (397), 389 states have call successors, (397) [2021-12-06 17:25:14,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1702 states and 2139 transitions. [2021-12-06 17:25:14,145 INFO L78 Accepts]: Start accepts. Automaton has 1702 states and 2139 transitions. Word has length 201 [2021-12-06 17:25:14,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:25:14,146 INFO L470 AbstractCegarLoop]: Abstraction has 1702 states and 2139 transitions. [2021-12-06 17:25:14,146 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 17:25:14,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2139 transitions. [2021-12-06 17:25:14,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-12-06 17:25:14,147 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:25:14,148 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:25:14,148 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-12-06 17:25:14,148 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:25:14,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:25:14,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1288414627, now seen corresponding path program 1 times [2021-12-06 17:25:14,148 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:25:14,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693643417] [2021-12-06 17:25:14,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:14,148 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:25:14,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:25:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:25:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:25:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:25:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:25:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:25:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:25:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:25:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 17:25:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:25:14,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 17:25:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:14,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:25:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 17:25:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:25:14,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:25:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:25:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 17:25:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-06 17:25:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:14,431 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2021-12-06 17:25:14,432 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:25:14,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693643417] [2021-12-06 17:25:14,432 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693643417] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:25:14,432 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:25:14,432 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 17:25:14,432 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745402619] [2021-12-06 17:25:14,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:25:14,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:25:14,433 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:25:14,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:25:14,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:25:14,433 INFO L87 Difference]: Start difference. First operand 1702 states and 2139 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 7 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 17:25:17,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:25:17,759 INFO L93 Difference]: Finished difference Result 1729 states and 2168 transitions. [2021-12-06 17:25:17,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 17:25:17,759 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 7 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 201 [2021-12-06 17:25:17,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:25:17,767 INFO L225 Difference]: With dead ends: 1729 [2021-12-06 17:25:17,767 INFO L226 Difference]: Without dead ends: 1727 [2021-12-06 17:25:17,768 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2021-12-06 17:25:17,768 INFO L933 BasicCegarLoop]: 1184 mSDtfsCounter, 1454 mSDsluCounter, 3954 mSDsCounter, 0 mSdLazyCounter, 2278 mSolverCounterSat, 1218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1466 SdHoareTripleChecker+Valid, 5138 SdHoareTripleChecker+Invalid, 3496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1218 IncrementalHoareTripleChecker+Valid, 2278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:25:17,768 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1466 Valid, 5138 Invalid, 3496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1218 Valid, 2278 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2021-12-06 17:25:17,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1727 states. [2021-12-06 17:25:17,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1727 to 1693. [2021-12-06 17:25:17,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1693 states, 1127 states have (on average 1.1925465838509317) internal successors, (1344), 1164 states have internal predecessors, (1344), 387 states have call successors, (387), 169 states have call predecessors, (387), 170 states have return successors, (393), 371 states have call predecessors, (393), 385 states have call successors, (393) [2021-12-06 17:25:17,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1693 states to 1693 states and 2124 transitions. [2021-12-06 17:25:17,876 INFO L78 Accepts]: Start accepts. Automaton has 1693 states and 2124 transitions. Word has length 201 [2021-12-06 17:25:17,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:25:17,877 INFO L470 AbstractCegarLoop]: Abstraction has 1693 states and 2124 transitions. [2021-12-06 17:25:17,877 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 7 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 17:25:17,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2124 transitions. [2021-12-06 17:25:17,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-12-06 17:25:17,878 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:25:17,878 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:25:17,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-12-06 17:25:17,879 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:25:17,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:25:17,879 INFO L85 PathProgramCache]: Analyzing trace with hash -15982876, now seen corresponding path program 1 times [2021-12-06 17:25:17,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:25:17,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334130077] [2021-12-06 17:25:17,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:17,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:25:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:17,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:25:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:17,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:25:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:17,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:17,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:25:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:25:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:25:18,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:25:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:25:18,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:25:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:25:18,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:25:18,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 17:25:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:25:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 17:25:18,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:25:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 17:25:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 17:25:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 17:25:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-06 17:25:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:25:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:25:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-06 17:25:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-06 17:25:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-06 17:25:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:18,076 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:25:18,076 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:25:18,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334130077] [2021-12-06 17:25:18,077 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334130077] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:25:18,077 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:25:18,077 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:25:18,077 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000492085] [2021-12-06 17:25:18,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:25:18,077 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:25:18,077 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:25:18,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:25:18,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:25:18,078 INFO L87 Difference]: Start difference. First operand 1693 states and 2124 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-06 17:25:19,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:25:19,561 INFO L93 Difference]: Finished difference Result 1693 states and 2124 transitions. [2021-12-06 17:25:19,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:25:19,561 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 169 [2021-12-06 17:25:19,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:25:19,567 INFO L225 Difference]: With dead ends: 1693 [2021-12-06 17:25:19,567 INFO L226 Difference]: Without dead ends: 1691 [2021-12-06 17:25:19,567 INFO L932 BasicCegarLoop]: 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 [2021-12-06 17:25:19,568 INFO L933 BasicCegarLoop]: 1143 mSDtfsCounter, 1492 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 2833 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:25:19,568 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1652 Valid, 2833 Invalid, 1429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 17:25:19,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1691 states. [2021-12-06 17:25:19,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1691 to 1691. [2021-12-06 17:25:19,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1691 states, 1126 states have (on average 1.1909413854351687) internal successors, (1341), 1162 states have internal predecessors, (1341), 387 states have call successors, (387), 169 states have call predecessors, (387), 170 states have return successors, (393), 371 states have call predecessors, (393), 385 states have call successors, (393) [2021-12-06 17:25:19,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1691 states to 1691 states and 2121 transitions. [2021-12-06 17:25:19,676 INFO L78 Accepts]: Start accepts. Automaton has 1691 states and 2121 transitions. Word has length 169 [2021-12-06 17:25:19,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:25:19,676 INFO L470 AbstractCegarLoop]: Abstraction has 1691 states and 2121 transitions. [2021-12-06 17:25:19,677 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-12-06 17:25:19,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2121 transitions. [2021-12-06 17:25:19,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-12-06 17:25:19,678 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:25:19,678 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:25:19,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-12-06 17:25:19,679 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:25:19,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:25:19,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1811664176, now seen corresponding path program 1 times [2021-12-06 17:25:19,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:25:19,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696935748] [2021-12-06 17:25:19,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:19,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:25:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:25:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:25:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:25:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:25:19,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:25:19,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:25:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:25:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:25:19,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:25:19,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:25:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 17:25:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:25:19,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 17:25:19,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:25:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 17:25:19,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 17:25:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 17:25:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-06 17:25:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:25:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:25:19,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-06 17:25:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-06 17:25:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-06 17:25:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:25:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:19,852 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:25:19,852 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:25:19,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696935748] [2021-12-06 17:25:19,852 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696935748] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:25:19,852 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:25:19,852 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:25:19,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957816056] [2021-12-06 17:25:19,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:25:19,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:25:19,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:25:19,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:25:19,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:25:19,853 INFO L87 Difference]: Start difference. First operand 1691 states and 2121 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 17:25:21,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:25:21,278 INFO L93 Difference]: Finished difference Result 1691 states and 2121 transitions. [2021-12-06 17:25:21,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:25:21,279 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175 [2021-12-06 17:25:21,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:25:21,283 INFO L225 Difference]: With dead ends: 1691 [2021-12-06 17:25:21,284 INFO L226 Difference]: Without dead ends: 1689 [2021-12-06 17:25:21,284 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:25:21,284 INFO L933 BasicCegarLoop]: 1141 mSDtfsCounter, 1486 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 767 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1645 SdHoareTripleChecker+Valid, 2831 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 767 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:25:21,285 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1645 Valid, 2831 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 767 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-12-06 17:25:21,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1689 states. [2021-12-06 17:25:21,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1689 to 1689. [2021-12-06 17:25:21,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1689 states, 1125 states have (on average 1.1893333333333334) internal successors, (1338), 1160 states have internal predecessors, (1338), 387 states have call successors, (387), 169 states have call predecessors, (387), 170 states have return successors, (393), 371 states have call predecessors, (393), 385 states have call successors, (393) [2021-12-06 17:25:21,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 2118 transitions. [2021-12-06 17:25:21,399 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 2118 transitions. Word has length 175 [2021-12-06 17:25:21,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:25:21,400 INFO L470 AbstractCegarLoop]: Abstraction has 1689 states and 2118 transitions. [2021-12-06 17:25:21,400 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 17:25:21,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2118 transitions. [2021-12-06 17:25:21,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-12-06 17:25:21,402 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:25:21,402 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:25:21,402 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-12-06 17:25:21,402 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:25:21,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:25:21,402 INFO L85 PathProgramCache]: Analyzing trace with hash 660661691, now seen corresponding path program 1 times [2021-12-06 17:25:21,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:25:21,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741678245] [2021-12-06 17:25:21,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:21,403 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:25:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:25:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:25:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:25:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 17:25:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:21,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 17:25:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 17:25:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:21,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 17:25:21,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:21,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 17:25:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:25:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-06 17:25:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:25:21,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:25:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-06 17:25:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2021-12-06 17:25:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 17:25:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:21,752 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2021-12-06 17:25:21,752 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:25:21,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741678245] [2021-12-06 17:25:21,753 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1741678245] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:25:21,753 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:25:21,753 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-06 17:25:21,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536465550] [2021-12-06 17:25:21,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:25:21,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 17:25:21,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:25:21,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 17:25:21,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2021-12-06 17:25:21,754 INFO L87 Difference]: Start difference. First operand 1689 states and 2118 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (25), 5 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-06 17:25:26,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:25:26,647 INFO L93 Difference]: Finished difference Result 4047 states and 5296 transitions. [2021-12-06 17:25:26,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 17:25:26,648 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (25), 5 states have call predecessors, (25), 3 states have call successors, (25) Word has length 221 [2021-12-06 17:25:26,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:25:26,654 INFO L225 Difference]: With dead ends: 4047 [2021-12-06 17:25:26,654 INFO L226 Difference]: Without dead ends: 2452 [2021-12-06 17:25:26,656 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2021-12-06 17:25:26,657 INFO L933 BasicCegarLoop]: 1698 mSDtfsCounter, 1515 mSDsluCounter, 10837 mSDsCounter, 0 mSdLazyCounter, 3835 mSolverCounterSat, 1251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1670 SdHoareTripleChecker+Valid, 12535 SdHoareTripleChecker+Invalid, 5086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1251 IncrementalHoareTripleChecker+Valid, 3835 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-06 17:25:26,657 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1670 Valid, 12535 Invalid, 5086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1251 Valid, 3835 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2021-12-06 17:25:26,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2452 states. [2021-12-06 17:25:26,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2452 to 1696. [2021-12-06 17:25:26,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1130 states have (on average 1.188495575221239) internal successors, (1343), 1164 states have internal predecessors, (1343), 388 states have call successors, (388), 169 states have call predecessors, (388), 171 states have return successors, (398), 374 states have call predecessors, (398), 386 states have call successors, (398) [2021-12-06 17:25:26,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2129 transitions. [2021-12-06 17:25:26,795 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2129 transitions. Word has length 221 [2021-12-06 17:25:26,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:25:26,796 INFO L470 AbstractCegarLoop]: Abstraction has 1696 states and 2129 transitions. [2021-12-06 17:25:26,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (25), 5 states have call predecessors, (25), 3 states have call successors, (25) [2021-12-06 17:25:26,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2129 transitions. [2021-12-06 17:25:26,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-06 17:25:26,797 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:25:26,798 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:25:26,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2021-12-06 17:25:26,798 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:25:26,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:25:26,798 INFO L85 PathProgramCache]: Analyzing trace with hash -1397956039, now seen corresponding path program 1 times [2021-12-06 17:25:26,798 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:25:26,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129694582] [2021-12-06 17:25:26,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:26,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:25:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:25:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:25:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:26,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:25:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:25:26,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:25:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:25:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:25:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:25:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:25:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:25:26,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 17:25:26,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:25:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 17:25:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:25:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 17:25:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 17:25:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 17:25:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-06 17:25:26,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:25:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:25:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-06 17:25:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-06 17:25:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-06 17:25:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:25:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-06 17:25:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:26,972 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:25:26,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:25:26,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129694582] [2021-12-06 17:25:26,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129694582] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:25:26,973 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:25:26,973 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:25:26,973 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326053028] [2021-12-06 17:25:26,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:25:26,973 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:25:26,973 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:25:26,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:25:26,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:25:26,974 INFO L87 Difference]: Start difference. First operand 1696 states and 2129 transitions. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-06 17:25:28,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:25:28,380 INFO L93 Difference]: Finished difference Result 1696 states and 2129 transitions. [2021-12-06 17:25:28,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:25:28,381 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 181 [2021-12-06 17:25:28,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:25:28,384 INFO L225 Difference]: With dead ends: 1696 [2021-12-06 17:25:28,384 INFO L226 Difference]: Without dead ends: 1694 [2021-12-06 17:25:28,384 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:25:28,385 INFO L933 BasicCegarLoop]: 1139 mSDtfsCounter, 1480 mSDsluCounter, 1690 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1638 SdHoareTripleChecker+Valid, 2829 SdHoareTripleChecker+Invalid, 1425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:25:28,385 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1638 Valid, 2829 Invalid, 1425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-12-06 17:25:28,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2021-12-06 17:25:28,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 1694. [2021-12-06 17:25:28,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1694 states, 1129 states have (on average 1.1868910540301152) internal successors, (1340), 1162 states have internal predecessors, (1340), 388 states have call successors, (388), 169 states have call predecessors, (388), 171 states have return successors, (398), 374 states have call predecessors, (398), 386 states have call successors, (398) [2021-12-06 17:25:28,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1694 states and 2126 transitions. [2021-12-06 17:25:28,513 INFO L78 Accepts]: Start accepts. Automaton has 1694 states and 2126 transitions. Word has length 181 [2021-12-06 17:25:28,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:25:28,514 INFO L470 AbstractCegarLoop]: Abstraction has 1694 states and 2126 transitions. [2021-12-06 17:25:28,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-06 17:25:28,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 2126 transitions. [2021-12-06 17:25:28,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-12-06 17:25:28,516 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:25:28,516 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:25:28,516 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-12-06 17:25:28,516 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:25:28,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:25:28,517 INFO L85 PathProgramCache]: Analyzing trace with hash -2021105733, now seen corresponding path program 1 times [2021-12-06 17:25:28,517 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:25:28,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707047056] [2021-12-06 17:25:28,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:28,517 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:25:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:25:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:25:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:25:28,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:28,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 17:25:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:28,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 17:25:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:28,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:28,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:28,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 17:25:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 17:25:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 17:25:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:25:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-06 17:25:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:25:28,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:25:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:25:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:25:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 17:25:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-06 17:25:28,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:28,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 17:25:29,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:29,045 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-12-06 17:25:29,046 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:25:29,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707047056] [2021-12-06 17:25:29,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707047056] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:25:29,046 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:25:29,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-12-06 17:25:29,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221287233] [2021-12-06 17:25:29,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:25:29,046 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 17:25:29,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:25:29,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 17:25:29,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2021-12-06 17:25:29,047 INFO L87 Difference]: Start difference. First operand 1694 states and 2126 transitions. Second operand has 18 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 11 states have internal predecessors, (84), 6 states have call successors, (30), 7 states have call predecessors, (30), 4 states have return successors, (28), 7 states have call predecessors, (28), 5 states have call successors, (28) [2021-12-06 17:25:37,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:25:37,389 INFO L93 Difference]: Finished difference Result 4641 states and 6240 transitions. [2021-12-06 17:25:37,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-12-06 17:25:37,390 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 11 states have internal predecessors, (84), 6 states have call successors, (30), 7 states have call predecessors, (30), 4 states have return successors, (28), 7 states have call predecessors, (28), 5 states have call successors, (28) Word has length 237 [2021-12-06 17:25:37,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:25:37,398 INFO L225 Difference]: With dead ends: 4641 [2021-12-06 17:25:37,398 INFO L226 Difference]: Without dead ends: 3135 [2021-12-06 17:25:37,403 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=273, Invalid=1449, Unknown=0, NotChecked=0, Total=1722 [2021-12-06 17:25:37,403 INFO L933 BasicCegarLoop]: 2293 mSDtfsCounter, 1999 mSDsluCounter, 26535 mSDsCounter, 0 mSdLazyCounter, 7188 mSolverCounterSat, 1331 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2332 SdHoareTripleChecker+Valid, 28828 SdHoareTripleChecker+Invalid, 8519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1331 IncrementalHoareTripleChecker+Valid, 7188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2021-12-06 17:25:37,403 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2332 Valid, 28828 Invalid, 8519 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1331 Valid, 7188 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2021-12-06 17:25:37,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3135 states. [2021-12-06 17:25:37,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3135 to 1712. [2021-12-06 17:25:37,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1138 states have (on average 1.1854130052724077) internal successors, (1349), 1172 states have internal predecessors, (1349), 395 states have call successors, (395), 170 states have call predecessors, (395), 173 states have return successors, (406), 381 states have call predecessors, (406), 393 states have call successors, (406) [2021-12-06 17:25:37,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2150 transitions. [2021-12-06 17:25:37,571 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2150 transitions. Word has length 237 [2021-12-06 17:25:37,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:25:37,572 INFO L470 AbstractCegarLoop]: Abstraction has 1712 states and 2150 transitions. [2021-12-06 17:25:37,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 11 states have internal predecessors, (84), 6 states have call successors, (30), 7 states have call predecessors, (30), 4 states have return successors, (28), 7 states have call predecessors, (28), 5 states have call successors, (28) [2021-12-06 17:25:37,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2150 transitions. [2021-12-06 17:25:37,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-06 17:25:37,574 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:25:37,574 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:25:37,574 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-12-06 17:25:37,574 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:25:37,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:25:37,574 INFO L85 PathProgramCache]: Analyzing trace with hash 11495463, now seen corresponding path program 1 times [2021-12-06 17:25:37,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:25:37,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646076566] [2021-12-06 17:25:37,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:37,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:25:37,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:25:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:25:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:25:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:25:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:25:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:25:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:25:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-06 17:25:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-06 17:25:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-06 17:25:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-06 17:25:37,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-12-06 17:25:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-12-06 17:25:37,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:25:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-12-06 17:25:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-06 17:25:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2021-12-06 17:25:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-06 17:25:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:25:37,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:25:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-12-06 17:25:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-12-06 17:25:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-12-06 17:25:37,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-12-06 17:25:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-12-06 17:25:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 17:25:37,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:37,760 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:25:37,760 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:25:37,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1646076566] [2021-12-06 17:25:37,760 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1646076566] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:25:37,760 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:25:37,760 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:25:37,760 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56182757] [2021-12-06 17:25:37,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:25:37,761 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:25:37,761 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:25:37,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:25:37,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:25:37,761 INFO L87 Difference]: Start difference. First operand 1712 states and 2150 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-06 17:25:39,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:25:39,967 INFO L93 Difference]: Finished difference Result 3300 states and 4141 transitions. [2021-12-06 17:25:39,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 17:25:39,967 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 187 [2021-12-06 17:25:39,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:25:39,974 INFO L225 Difference]: With dead ends: 3300 [2021-12-06 17:25:39,974 INFO L226 Difference]: Without dead ends: 3017 [2021-12-06 17:25:39,975 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:25:39,976 INFO L933 BasicCegarLoop]: 1390 mSDtfsCounter, 1999 mSDsluCounter, 2731 mSDsCounter, 0 mSdLazyCounter, 1575 mSolverCounterSat, 1143 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2151 SdHoareTripleChecker+Valid, 4121 SdHoareTripleChecker+Invalid, 2718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1143 IncrementalHoareTripleChecker+Valid, 1575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-06 17:25:39,976 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2151 Valid, 4121 Invalid, 2718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1143 Valid, 1575 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-12-06 17:25:39,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3017 states. [2021-12-06 17:25:40,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3017 to 2998. [2021-12-06 17:25:40,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2998 states, 2003 states have (on average 1.2001997004493261) internal successors, (2404), 2058 states have internal predecessors, (2404), 689 states have call successors, (689), 294 states have call predecessors, (689), 300 states have return successors, (721), 665 states have call predecessors, (721), 687 states have call successors, (721) [2021-12-06 17:25:40,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 2998 states and 3814 transitions. [2021-12-06 17:25:40,234 INFO L78 Accepts]: Start accepts. Automaton has 2998 states and 3814 transitions. Word has length 187 [2021-12-06 17:25:40,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:25:40,234 INFO L470 AbstractCegarLoop]: Abstraction has 2998 states and 3814 transitions. [2021-12-06 17:25:40,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-06 17:25:40,234 INFO L276 IsEmpty]: Start isEmpty. Operand 2998 states and 3814 transitions. [2021-12-06 17:25:40,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-06 17:25:40,236 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:25:40,236 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:25:40,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-12-06 17:25:40,237 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:25:40,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:25:40,237 INFO L85 PathProgramCache]: Analyzing trace with hash 2017815336, now seen corresponding path program 1 times [2021-12-06 17:25:40,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:25:40,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486550164] [2021-12-06 17:25:40,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:40,237 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:25:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:25:40,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:25:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:25:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:40,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:40,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 17:25:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 17:25:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 17:25:40,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:40,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 17:25:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:40,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:40,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 17:25:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:25:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-06 17:25:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:40,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:25:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:25:40,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:25:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:25:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 17:25:40,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-06 17:25:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 17:25:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:40,637 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2021-12-06 17:25:40,637 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:25:40,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486550164] [2021-12-06 17:25:40,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486550164] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:25:40,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [670166142] [2021-12-06 17:25:40,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:40,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:25:40,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:25:40,638 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:25:40,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-06 17:25:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:41,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 2422 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 17:25:41,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:25:41,383 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2021-12-06 17:25:41,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:25:41,383 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [670166142] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:25:41,383 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:25:41,384 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 11 [2021-12-06 17:25:41,384 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030935504] [2021-12-06 17:25:41,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:25:41,385 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:25:41,385 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:25:41,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:25:41,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:25:41,385 INFO L87 Difference]: Start difference. First operand 2998 states and 3814 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-06 17:25:42,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:25:42,140 INFO L93 Difference]: Finished difference Result 7079 states and 9318 transitions. [2021-12-06 17:25:42,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:25:42,141 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 241 [2021-12-06 17:25:42,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:25:42,151 INFO L225 Difference]: With dead ends: 7079 [2021-12-06 17:25:42,151 INFO L226 Difference]: Without dead ends: 4126 [2021-12-06 17:25:42,160 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 317 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:25:42,161 INFO L933 BasicCegarLoop]: 1279 mSDtfsCounter, 590 mSDsluCounter, 4846 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 590 SdHoareTripleChecker+Valid, 6125 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:25:42,161 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [590 Valid, 6125 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 17:25:42,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2021-12-06 17:25:42,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 2966. [2021-12-06 17:25:42,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2966 states, 1986 states have (on average 1.200402819738167) internal successors, (2384), 2038 states have internal predecessors, (2384), 677 states have call successors, (677), 291 states have call predecessors, (677), 297 states have return successors, (709), 654 states have call predecessors, (709), 675 states have call successors, (709) [2021-12-06 17:25:42,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2966 states to 2966 states and 3770 transitions. [2021-12-06 17:25:42,476 INFO L78 Accepts]: Start accepts. Automaton has 2966 states and 3770 transitions. Word has length 241 [2021-12-06 17:25:42,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:25:42,476 INFO L470 AbstractCegarLoop]: Abstraction has 2966 states and 3770 transitions. [2021-12-06 17:25:42,476 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-06 17:25:42,476 INFO L276 IsEmpty]: Start isEmpty. Operand 2966 states and 3770 transitions. [2021-12-06 17:25:42,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-06 17:25:42,478 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:25:42,478 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:25:42,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-06 17:25:42,679 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:25:42,679 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:25:42,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:25:42,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1386077338, now seen corresponding path program 1 times [2021-12-06 17:25:42,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:25:42,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103695878] [2021-12-06 17:25:42,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:42,680 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:25:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:25:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:25:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:25:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:42,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 17:25:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 17:25:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 17:25:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:42,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 17:25:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 17:25:43,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:25:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-06 17:25:43,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:25:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:25:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:25:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:25:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 17:25:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-06 17:25:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 17:25:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,139 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 19 proven. 48 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2021-12-06 17:25:43,139 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:25:43,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103695878] [2021-12-06 17:25:43,139 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103695878] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:25:43,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832914107] [2021-12-06 17:25:43,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:43,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:25:43,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:25:43,141 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:25:43,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-06 17:25:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:43,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 2420 conjuncts, 44 conjunts are in the unsatisfiable core [2021-12-06 17:25:43,616 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:25:43,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 17:25:43,945 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-12-06 17:25:43,945 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:25:43,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832914107] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:25:43,946 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:25:43,946 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2021-12-06 17:25:43,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511879455] [2021-12-06 17:25:43,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:25:43,946 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:25:43,946 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:25:43,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:25:43,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2021-12-06 17:25:43,947 INFO L87 Difference]: Start difference. First operand 2966 states and 3770 transitions. Second operand has 9 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-06 17:25:51,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:25:51,445 INFO L93 Difference]: Finished difference Result 6724 states and 8798 transitions. [2021-12-06 17:25:51,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 17:25:51,445 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 241 [2021-12-06 17:25:51,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:25:51,456 INFO L225 Difference]: With dead ends: 6724 [2021-12-06 17:25:51,456 INFO L226 Difference]: Without dead ends: 3977 [2021-12-06 17:25:51,461 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2021-12-06 17:25:51,461 INFO L933 BasicCegarLoop]: 1417 mSDtfsCounter, 515 mSDsluCounter, 4525 mSDsCounter, 0 mSdLazyCounter, 6130 mSolverCounterSat, 305 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 5942 SdHoareTripleChecker+Invalid, 6435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 305 IncrementalHoareTripleChecker+Valid, 6130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:25:51,461 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [670 Valid, 5942 Invalid, 6435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [305 Valid, 6130 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2021-12-06 17:25:51,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3977 states. [2021-12-06 17:25:51,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3977 to 3048. [2021-12-06 17:25:51,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3048 states, 2030 states have (on average 1.199014778325123) internal successors, (2434), 2088 states have internal predecessors, (2434), 707 states have call successors, (707), 293 states have call predecessors, (707), 305 states have return successors, (760), 684 states have call predecessors, (760), 705 states have call successors, (760) [2021-12-06 17:25:51,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 3048 states and 3901 transitions. [2021-12-06 17:25:51,770 INFO L78 Accepts]: Start accepts. Automaton has 3048 states and 3901 transitions. Word has length 241 [2021-12-06 17:25:51,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:25:51,770 INFO L470 AbstractCegarLoop]: Abstraction has 3048 states and 3901 transitions. [2021-12-06 17:25:51,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-06 17:25:51,771 INFO L276 IsEmpty]: Start isEmpty. Operand 3048 states and 3901 transitions. [2021-12-06 17:25:51,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2021-12-06 17:25:51,772 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:25:51,772 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:25:51,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-06 17:25:51,973 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-12-06 17:25:51,974 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:25:51,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:25:51,974 INFO L85 PathProgramCache]: Analyzing trace with hash -1779104348, now seen corresponding path program 1 times [2021-12-06 17:25:51,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:25:51,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428140782] [2021-12-06 17:25:51,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:51,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:25:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:25:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:25:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:25:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:52,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 17:25:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:52,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 17:25:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 17:25:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 17:25:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:25:52,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:25:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 17:25:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:25:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-06 17:25:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:52,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:25:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:25:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:25:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:25:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:25:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:25:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:25:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 17:25:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-06 17:25:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 17:25:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:52,417 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 6 proven. 61 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2021-12-06 17:25:52,417 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:25:52,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428140782] [2021-12-06 17:25:52,417 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428140782] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:25:52,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [503855838] [2021-12-06 17:25:52,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:52,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:25:52,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:25:52,418 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:25:52,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-12-06 17:25:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:25:53,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 2415 conjuncts, 73 conjunts are in the unsatisfiable core [2021-12-06 17:25:53,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:25:53,456 INFO L354 Elim1Store]: treesize reduction 1496, result has 4.7 percent of original size [2021-12-06 17:25:53,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 8 case distinctions, treesize of input 53 treesize of output 82 [2021-12-06 17:25:53,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:25:53,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 36 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 82 [2021-12-06 17:25:53,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-12-06 17:25:53,585 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-12-06 17:25:53,631 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-12-06 17:25:53,631 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:25:53,631 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [503855838] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:25:53,631 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:25:53,631 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2021-12-06 17:25:53,631 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132245534] [2021-12-06 17:25:53,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:25:53,632 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:25:53,632 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:25:53,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:25:53,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=341, Unknown=0, NotChecked=0, Total=380 [2021-12-06 17:25:53,632 INFO L87 Difference]: Start difference. First operand 3048 states and 3901 transitions. Second operand has 9 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-06 17:25:59,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:25:59,339 INFO L93 Difference]: Finished difference Result 5520 states and 7248 transitions. [2021-12-06 17:25:59,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 17:25:59,340 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 241 [2021-12-06 17:25:59,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:25:59,347 INFO L225 Difference]: With dead ends: 5520 [2021-12-06 17:25:59,347 INFO L226 Difference]: Without dead ends: 3990 [2021-12-06 17:25:59,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2021-12-06 17:25:59,351 INFO L933 BasicCegarLoop]: 1442 mSDtfsCounter, 502 mSDsluCounter, 6379 mSDsCounter, 0 mSdLazyCounter, 4402 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 7821 SdHoareTripleChecker+Invalid, 4679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 4402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:25:59,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [651 Valid, 7821 Invalid, 4679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 4402 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-12-06 17:25:59,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3990 states. [2021-12-06 17:25:59,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3990 to 3079. [2021-12-06 17:25:59,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3079 states, 2046 states have (on average 1.1974584555229717) internal successors, (2450), 2105 states have internal predecessors, (2450), 719 states have call successors, (719), 295 states have call predecessors, (719), 308 states have return successors, (777), 696 states have call predecessors, (777), 717 states have call successors, (777) [2021-12-06 17:25:59,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3079 states to 3079 states and 3946 transitions. [2021-12-06 17:25:59,666 INFO L78 Accepts]: Start accepts. Automaton has 3079 states and 3946 transitions. Word has length 241 [2021-12-06 17:25:59,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:25:59,667 INFO L470 AbstractCegarLoop]: Abstraction has 3079 states and 3946 transitions. [2021-12-06 17:25:59,667 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-06 17:25:59,667 INFO L276 IsEmpty]: Start isEmpty. Operand 3079 states and 3946 transitions. [2021-12-06 17:25:59,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-12-06 17:25:59,668 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:25:59,669 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:25:59,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2021-12-06 17:25:59,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-12-06 17:25:59,869 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:25:59,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:25:59,870 INFO L85 PathProgramCache]: Analyzing trace with hash -2101524188, now seen corresponding path program 1 times [2021-12-06 17:25:59,870 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:25:59,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141965407] [2021-12-06 17:25:59,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:25:59,870 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:25:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:26:00,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:26:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:26:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:26:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:26:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 17:26:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 17:26:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 17:26:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 17:26:00,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 17:26:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:26:00,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-06 17:26:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:26:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:26:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:26:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:26:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:26:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:26:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 17:26:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-06 17:26:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 17:26:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,258 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 6 proven. 61 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2021-12-06 17:26:00,258 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:26:00,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141965407] [2021-12-06 17:26:00,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141965407] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:26:00,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696983730] [2021-12-06 17:26:00,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:00,258 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:26:00,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:26:00,259 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:26:00,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-12-06 17:26:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:00,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 2437 conjuncts, 49 conjunts are in the unsatisfiable core [2021-12-06 17:26:00,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:26:00,927 INFO L354 Elim1Store]: treesize reduction 520, result has 8.1 percent of original size [2021-12-06 17:26:00,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 38 treesize of output 55 [2021-12-06 17:26:01,031 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2021-12-06 17:26:01,031 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:26:01,032 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696983730] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:26:01,032 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:26:01,032 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2021-12-06 17:26:01,032 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623534312] [2021-12-06 17:26:01,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:26:01,032 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:26:01,032 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:26:01,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:26:01,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=340, Unknown=0, NotChecked=0, Total=380 [2021-12-06 17:26:01,033 INFO L87 Difference]: Start difference. First operand 3079 states and 3946 transitions. Second operand has 9 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 4 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-06 17:26:07,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:26:07,169 INFO L93 Difference]: Finished difference Result 6763 states and 8844 transitions. [2021-12-06 17:26:07,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 17:26:07,169 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 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 242 [2021-12-06 17:26:07,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:26:07,177 INFO L225 Difference]: With dead ends: 6763 [2021-12-06 17:26:07,177 INFO L226 Difference]: Without dead ends: 3996 [2021-12-06 17:26:07,182 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2021-12-06 17:26:07,182 INFO L933 BasicCegarLoop]: 1420 mSDtfsCounter, 517 mSDsluCounter, 4997 mSDsCounter, 0 mSdLazyCounter, 5659 mSolverCounterSat, 300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 6417 SdHoareTripleChecker+Invalid, 5959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 300 IncrementalHoareTripleChecker+Valid, 5659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-12-06 17:26:07,182 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [675 Valid, 6417 Invalid, 5959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [300 Valid, 5659 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2021-12-06 17:26:07,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3996 states. [2021-12-06 17:26:07,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3996 to 3041. [2021-12-06 17:26:07,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3041 states, 2026 states have (on average 1.1984205330700888) internal successors, (2428), 2083 states have internal predecessors, (2428), 705 states have call successors, (705), 295 states have call predecessors, (705), 304 states have return successors, (746), 680 states have call predecessors, (746), 703 states have call successors, (746) [2021-12-06 17:26:07,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 3879 transitions. [2021-12-06 17:26:07,500 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 3879 transitions. Word has length 242 [2021-12-06 17:26:07,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:26:07,500 INFO L470 AbstractCegarLoop]: Abstraction has 3041 states and 3879 transitions. [2021-12-06 17:26:07,501 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.125) internal successors, (89), 7 states have internal predecessors, (89), 4 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-06 17:26:07,501 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 3879 transitions. [2021-12-06 17:26:07,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-12-06 17:26:07,502 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:26:07,502 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:26:07,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-12-06 17:26:07,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-12-06 17:26:07,705 INFO L402 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:26:07,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:26:07,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1009337592, now seen corresponding path program 1 times [2021-12-06 17:26:07,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:26:07,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067698458] [2021-12-06 17:26:07,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:07,707 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:26:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:26:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:26:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:26:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:26:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:26:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:26:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:26:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:26:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:26:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:26:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 17:26:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:26:07,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 17:26:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:26:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 17:26:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:26:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-06 17:26:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:26:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-06 17:26:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:26:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-06 17:26:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-06 17:26:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:07,963 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-12-06 17:26:07,963 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:26:07,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067698458] [2021-12-06 17:26:07,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067698458] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:26:07,963 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:26:07,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 17:26:07,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552199342] [2021-12-06 17:26:07,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:26:07,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 17:26:07,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:26:07,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 17:26:07,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:26:07,964 INFO L87 Difference]: Start difference. First operand 3041 states and 3879 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2021-12-06 17:26:12,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:26:12,608 INFO L93 Difference]: Finished difference Result 3163 states and 4023 transitions. [2021-12-06 17:26:12,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 17:26:12,608 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) Word has length 233 [2021-12-06 17:26:12,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:26:12,616 INFO L225 Difference]: With dead ends: 3163 [2021-12-06 17:26:12,616 INFO L226 Difference]: Without dead ends: 3161 [2021-12-06 17:26:12,617 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 109 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2021-12-06 17:26:12,618 INFO L933 BasicCegarLoop]: 1518 mSDtfsCounter, 2247 mSDsluCounter, 5266 mSDsCounter, 0 mSdLazyCounter, 3642 mSolverCounterSat, 1868 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2343 SdHoareTripleChecker+Valid, 6784 SdHoareTripleChecker+Invalid, 5510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1868 IncrementalHoareTripleChecker+Valid, 3642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:26:12,618 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2343 Valid, 6784 Invalid, 5510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1868 Valid, 3642 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-06 17:26:12,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3161 states. [2021-12-06 17:26:12,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3161 to 3133. [2021-12-06 17:26:12,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3133 states, 2091 states have (on average 1.1970349115255858) internal successors, (2503), 2148 states have internal predecessors, (2503), 721 states have call successors, (721), 305 states have call predecessors, (721), 315 states have return successors, (763), 696 states have call predecessors, (763), 719 states have call successors, (763) [2021-12-06 17:26:12,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3133 states to 3133 states and 3987 transitions. [2021-12-06 17:26:12,940 INFO L78 Accepts]: Start accepts. Automaton has 3133 states and 3987 transitions. Word has length 233 [2021-12-06 17:26:12,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:26:12,941 INFO L470 AbstractCegarLoop]: Abstraction has 3133 states and 3987 transitions. [2021-12-06 17:26:12,941 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2021-12-06 17:26:12,941 INFO L276 IsEmpty]: Start isEmpty. Operand 3133 states and 3987 transitions. [2021-12-06 17:26:12,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-12-06 17:26:12,942 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:26:12,942 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:26:12,942 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2021-12-06 17:26:12,943 INFO L402 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:26:12,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:26:12,943 INFO L85 PathProgramCache]: Analyzing trace with hash 503778967, now seen corresponding path program 1 times [2021-12-06 17:26:12,943 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:26:12,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596043061] [2021-12-06 17:26:12,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:12,943 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:26:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:26:13,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:26:13,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:26:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:26:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:26:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:26:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:26:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:26:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:26:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:26:13,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 17:26:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:26:13,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 17:26:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:13,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:26:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 17:26:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:26:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-06 17:26:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:26:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-06 17:26:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:26:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-06 17:26:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:13,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-06 17:26:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:13,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:13,152 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-12-06 17:26:13,153 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:26:13,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596043061] [2021-12-06 17:26:13,153 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596043061] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:26:13,153 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:26:13,153 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 17:26:13,153 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569056809] [2021-12-06 17:26:13,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:26:13,153 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 17:26:13,153 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:26:13,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:26:13,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:26:13,154 INFO L87 Difference]: Start difference. First operand 3133 states and 3987 transitions. Second operand has 11 states, 11 states have (on average 8.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2021-12-06 17:26:17,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:26:17,138 INFO L93 Difference]: Finished difference Result 7613 states and 10185 transitions. [2021-12-06 17:26:17,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 17:26:17,139 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) Word has length 233 [2021-12-06 17:26:17,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:26:17,148 INFO L225 Difference]: With dead ends: 7613 [2021-12-06 17:26:17,148 INFO L226 Difference]: Without dead ends: 5158 [2021-12-06 17:26:17,152 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2021-12-06 17:26:17,152 INFO L933 BasicCegarLoop]: 1670 mSDtfsCounter, 2177 mSDsluCounter, 8353 mSDsCounter, 0 mSdLazyCounter, 3398 mSolverCounterSat, 1601 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2271 SdHoareTripleChecker+Valid, 10023 SdHoareTripleChecker+Invalid, 4999 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1601 IncrementalHoareTripleChecker+Valid, 3398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:26:17,153 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2271 Valid, 10023 Invalid, 4999 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1601 Valid, 3398 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2021-12-06 17:26:17,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5158 states. [2021-12-06 17:26:17,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5158 to 3041. [2021-12-06 17:26:17,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3041 states, 2031 states have (on average 1.1920236336779912) internal successors, (2421), 2084 states have internal predecessors, (2421), 701 states have call successors, (701), 289 states have call predecessors, (701), 303 states have return successors, (747), 684 states have call predecessors, (747), 699 states have call successors, (747) [2021-12-06 17:26:17,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3041 states to 3041 states and 3869 transitions. [2021-12-06 17:26:17,487 INFO L78 Accepts]: Start accepts. Automaton has 3041 states and 3869 transitions. Word has length 233 [2021-12-06 17:26:17,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:26:17,487 INFO L470 AbstractCegarLoop]: Abstraction has 3041 states and 3869 transitions. [2021-12-06 17:26:17,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2021-12-06 17:26:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 3041 states and 3869 transitions. [2021-12-06 17:26:17,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2021-12-06 17:26:17,489 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:26:17,489 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:26:17,489 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2021-12-06 17:26:17,490 INFO L402 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:26:17,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:26:17,490 INFO L85 PathProgramCache]: Analyzing trace with hash 356324563, now seen corresponding path program 1 times [2021-12-06 17:26:17,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:26:17,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593144176] [2021-12-06 17:26:17,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:17,490 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:26:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:26:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:26:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:26:17,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:26:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:26:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:17,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:17,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2021-12-06 17:26:17,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2021-12-06 17:26:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:17,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-12-06 17:26:17,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-12-06 17:26:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-06 17:26:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-12-06 17:26:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-06 17:26:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:26:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:26:17,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:17,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:26:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:26:17,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:26:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:26:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-12-06 17:26:17,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-06 17:26:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 17:26:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-12-06 17:26:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:17,860 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 21 proven. 48 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2021-12-06 17:26:17,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:26:17,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593144176] [2021-12-06 17:26:17,860 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593144176] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:26:17,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431018595] [2021-12-06 17:26:17,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:17,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:26:17,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:26:17,861 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:26:17,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-12-06 17:26:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:18,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 2443 conjuncts, 40 conjunts are in the unsatisfiable core [2021-12-06 17:26:18,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:26:18,817 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 219 proven. 3 refuted. 0 times theorem prover too weak. 281 trivial. 0 not checked. [2021-12-06 17:26:18,817 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:26:19,230 INFO L134 CoverageAnalysis]: Checked inductivity of 503 backedges. 8 proven. 57 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2021-12-06 17:26:19,230 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431018595] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:26:19,230 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 17:26:19,230 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 8] total 21 [2021-12-06 17:26:19,230 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452789061] [2021-12-06 17:26:19,231 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 17:26:19,231 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2021-12-06 17:26:19,232 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:26:19,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-12-06 17:26:19,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=374, Unknown=0, NotChecked=0, Total=420 [2021-12-06 17:26:19,232 INFO L87 Difference]: Start difference. First operand 3041 states and 3869 transitions. Second operand has 21 states, 20 states have (on average 8.55) internal successors, (171), 13 states have internal predecessors, (171), 5 states have call successors, (71), 7 states have call predecessors, (71), 5 states have return successors, (62), 7 states have call predecessors, (62), 5 states have call successors, (62) [2021-12-06 17:26:25,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:26:25,773 INFO L93 Difference]: Finished difference Result 7444 states and 9847 transitions. [2021-12-06 17:26:25,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-12-06 17:26:25,773 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 8.55) internal successors, (171), 13 states have internal predecessors, (171), 5 states have call successors, (71), 7 states have call predecessors, (71), 5 states have return successors, (62), 7 states have call predecessors, (62), 5 states have call successors, (62) Word has length 247 [2021-12-06 17:26:25,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:26:25,781 INFO L225 Difference]: With dead ends: 7444 [2021-12-06 17:26:25,781 INFO L226 Difference]: Without dead ends: 4445 [2021-12-06 17:26:25,786 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 602 GetRequests, 564 SyntacticMatches, 2 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 195 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=1191, Unknown=0, NotChecked=0, Total=1406 [2021-12-06 17:26:25,787 INFO L933 BasicCegarLoop]: 1625 mSDtfsCounter, 2715 mSDsluCounter, 14441 mSDsCounter, 0 mSdLazyCounter, 5446 mSolverCounterSat, 2169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2717 SdHoareTripleChecker+Valid, 16066 SdHoareTripleChecker+Invalid, 7615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2169 IncrementalHoareTripleChecker+Valid, 5446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-12-06 17:26:25,787 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2717 Valid, 16066 Invalid, 7615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2169 Valid, 5446 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2021-12-06 17:26:25,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4445 states. [2021-12-06 17:26:26,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4445 to 3095. [2021-12-06 17:26:26,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3095 states, 2058 states have (on average 1.1885325558794946) internal successors, (2446), 2112 states have internal predecessors, (2446), 721 states have call successors, (721), 289 states have call predecessors, (721), 310 states have return successors, (784), 709 states have call predecessors, (784), 719 states have call successors, (784) [2021-12-06 17:26:26,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 3095 states and 3951 transitions. [2021-12-06 17:26:26,166 INFO L78 Accepts]: Start accepts. Automaton has 3095 states and 3951 transitions. Word has length 247 [2021-12-06 17:26:26,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:26:26,166 INFO L470 AbstractCegarLoop]: Abstraction has 3095 states and 3951 transitions. [2021-12-06 17:26:26,166 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 8.55) internal successors, (171), 13 states have internal predecessors, (171), 5 states have call successors, (71), 7 states have call predecessors, (71), 5 states have return successors, (62), 7 states have call predecessors, (62), 5 states have call successors, (62) [2021-12-06 17:26:26,166 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 3951 transitions. [2021-12-06 17:26:26,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2021-12-06 17:26:26,168 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:26:26,168 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:26:26,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2021-12-06 17:26:26,369 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2021-12-06 17:26:26,370 INFO L402 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:26:26,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:26:26,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1077801678, now seen corresponding path program 1 times [2021-12-06 17:26:26,372 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:26:26,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095038902] [2021-12-06 17:26:26,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:26,373 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:26:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:26:26,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:26:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:26:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:26:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:26:26,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:26:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:26:26,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:26:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:26:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:26:26,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 17:26:26,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:26,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:26,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:26,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:26:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:26,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 17:26:26,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:26,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:26,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:26,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:26:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 17:26:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:26:26,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:26,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:26:26,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:26:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:26:26,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 17:26:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-06 17:26:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 17:26:26,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-06 17:26:26,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:26,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:26,584 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2021-12-06 17:26:26,584 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:26:26,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095038902] [2021-12-06 17:26:26,584 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095038902] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:26:26,584 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:26:26,584 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 17:26:26,584 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319399423] [2021-12-06 17:26:26,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:26:26,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 17:26:26,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:26:26,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:26:26,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:26:26,585 INFO L87 Difference]: Start difference. First operand 3095 states and 3951 transitions. Second operand has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-06 17:26:31,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:26:31,165 INFO L93 Difference]: Finished difference Result 7452 states and 9966 transitions. [2021-12-06 17:26:31,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 17:26:31,166 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 232 [2021-12-06 17:26:31,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:26:31,174 INFO L225 Difference]: With dead ends: 7452 [2021-12-06 17:26:31,174 INFO L226 Difference]: Without dead ends: 5075 [2021-12-06 17:26:31,179 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2021-12-06 17:26:31,179 INFO L933 BasicCegarLoop]: 1680 mSDtfsCounter, 2198 mSDsluCounter, 8436 mSDsCounter, 0 mSdLazyCounter, 3390 mSolverCounterSat, 1595 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2293 SdHoareTripleChecker+Valid, 10116 SdHoareTripleChecker+Invalid, 4985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1595 IncrementalHoareTripleChecker+Valid, 3390 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-06 17:26:31,179 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2293 Valid, 10116 Invalid, 4985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1595 Valid, 3390 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-06 17:26:31,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5075 states. [2021-12-06 17:26:31,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5075 to 3054. [2021-12-06 17:26:31,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3054 states, 2036 states have (on average 1.18664047151277) internal successors, (2416), 2086 states have internal predecessors, (2416), 703 states have call successors, (703), 288 states have call predecessors, (703), 309 states have return successors, (766), 695 states have call predecessors, (766), 701 states have call successors, (766) [2021-12-06 17:26:31,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3054 states to 3054 states and 3885 transitions. [2021-12-06 17:26:31,575 INFO L78 Accepts]: Start accepts. Automaton has 3054 states and 3885 transitions. Word has length 232 [2021-12-06 17:26:31,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:26:31,575 INFO L470 AbstractCegarLoop]: Abstraction has 3054 states and 3885 transitions. [2021-12-06 17:26:31,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2021-12-06 17:26:31,575 INFO L276 IsEmpty]: Start isEmpty. Operand 3054 states and 3885 transitions. [2021-12-06 17:26:31,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-12-06 17:26:31,577 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:26:31,577 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:26:31,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2021-12-06 17:26:31,577 INFO L402 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:26:31,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:26:31,578 INFO L85 PathProgramCache]: Analyzing trace with hash -583106957, now seen corresponding path program 1 times [2021-12-06 17:26:31,578 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:26:31,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214574416] [2021-12-06 17:26:31,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:31,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:26:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:26:31,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:26:31,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:26:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:26:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:26:31,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:31,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:31,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:26:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 17:26:31,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 17:26:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:26:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:26:31,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:31,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:31,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:26:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 17:26:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-06 17:26:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:31,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 17:26:31,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:32,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:32,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:32,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:32,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:32,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:26:32,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:32,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:26:32,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:32,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:32,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:32,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:26:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:32,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:26:32,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:32,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:26:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:32,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:26:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:32,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:26:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:32,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-06 17:26:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:32,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2021-12-06 17:26:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:32,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-06 17:26:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:32,128 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2021-12-06 17:26:32,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:26:32,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214574416] [2021-12-06 17:26:32,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214574416] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:26:32,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1414575447] [2021-12-06 17:26:32,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:32,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:26:32,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:26:32,129 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:26:32,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2021-12-06 17:26:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:32,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 2479 conjuncts, 61 conjunts are in the unsatisfiable core [2021-12-06 17:26:32,980 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:26:33,142 INFO L354 Elim1Store]: treesize reduction 181, result has 13.4 percent of original size [2021-12-06 17:26:33,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 37 [2021-12-06 17:26:33,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:33,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:33,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:33,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:33,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:33,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:26:33,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 37 [2021-12-06 17:26:33,338 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-12-06 17:26:33,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-12-06 17:26:33,351 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2021-12-06 17:26:33,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:26:33,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 57 [2021-12-06 17:26:33,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 55 [2021-12-06 17:26:33,954 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2021-12-06 17:26:33,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1414575447] provided 1 perfect and 1 imperfect interpolant sequences [2021-12-06 17:26:33,955 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:26:33,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [22, 10] total 33 [2021-12-06 17:26:33,955 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085141113] [2021-12-06 17:26:33,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:26:33,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:26:33,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:26:33,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:26:33,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=970, Unknown=0, NotChecked=0, Total=1056 [2021-12-06 17:26:33,957 INFO L87 Difference]: Start difference. First operand 3054 states and 3885 transitions. Second operand has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-06 17:26:36,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:26:36,432 INFO L93 Difference]: Finished difference Result 4655 states and 5879 transitions. [2021-12-06 17:26:36,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 17:26:36,433 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 255 [2021-12-06 17:26:36,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:26:36,438 INFO L225 Difference]: With dead ends: 4655 [2021-12-06 17:26:36,438 INFO L226 Difference]: Without dead ends: 3114 [2021-12-06 17:26:36,441 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 613 GetRequests, 578 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=98, Invalid=1162, Unknown=0, NotChecked=0, Total=1260 [2021-12-06 17:26:36,442 INFO L933 BasicCegarLoop]: 1200 mSDtfsCounter, 42 mSDsluCounter, 7405 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 8605 SdHoareTripleChecker+Invalid, 1093 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 604 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-12-06 17:26:36,442 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [56 Valid, 8605 Invalid, 1093 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 472 Invalid, 0 Unknown, 604 Unchecked, 1.9s Time] [2021-12-06 17:26:36,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3114 states. [2021-12-06 17:26:36,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3114 to 3114. [2021-12-06 17:26:36,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3114 states, 2073 states have (on average 1.1862035697057405) internal successors, (2459), 2125 states have internal predecessors, (2459), 720 states have call successors, (720), 294 states have call predecessors, (720), 315 states have return successors, (785), 710 states have call predecessors, (785), 718 states have call successors, (785) [2021-12-06 17:26:36,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 3964 transitions. [2021-12-06 17:26:36,820 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 3964 transitions. Word has length 255 [2021-12-06 17:26:36,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:26:36,820 INFO L470 AbstractCegarLoop]: Abstraction has 3114 states and 3964 transitions. [2021-12-06 17:26:36,820 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2021-12-06 17:26:36,820 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3964 transitions. [2021-12-06 17:26:36,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2021-12-06 17:26:36,822 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:26:36,823 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:26:36,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2021-12-06 17:26:37,023 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2021-12-06 17:26:37,025 INFO L402 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:26:37,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:26:37,026 INFO L85 PathProgramCache]: Analyzing trace with hash -1090773956, now seen corresponding path program 1 times [2021-12-06 17:26:37,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:26:37,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356477231] [2021-12-06 17:26:37,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:37,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:26:37,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:26:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:26:37,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:26:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:26:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:26:37,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:26:37,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:26:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:26:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:26:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:26:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 17:26:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:26:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:37,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:37,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:37,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 17:26:37,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:26:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 17:26:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:26:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-06 17:26:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:26:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-06 17:26:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:26:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-06 17:26:37,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:37,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-06 17:26:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-06 17:26:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-06 17:26:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:37,290 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2021-12-06 17:26:37,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:26:37,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356477231] [2021-12-06 17:26:37,291 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356477231] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:26:37,291 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:26:37,291 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-12-06 17:26:37,291 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520522367] [2021-12-06 17:26:37,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:26:37,292 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 17:26:37,292 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:26:37,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 17:26:37,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:26:37,292 INFO L87 Difference]: Start difference. First operand 3114 states and 3964 transitions. Second operand has 13 states, 12 states have (on average 8.333333333333334) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (35), 9 states have call predecessors, (35), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-06 17:26:43,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:26:43,141 INFO L93 Difference]: Finished difference Result 6633 states and 8675 transitions. [2021-12-06 17:26:43,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-12-06 17:26:43,141 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.333333333333334) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (35), 9 states have call predecessors, (35), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 251 [2021-12-06 17:26:43,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:26:43,149 INFO L225 Difference]: With dead ends: 6633 [2021-12-06 17:26:43,149 INFO L226 Difference]: Without dead ends: 4298 [2021-12-06 17:26:43,154 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=259, Invalid=733, Unknown=0, NotChecked=0, Total=992 [2021-12-06 17:26:43,154 INFO L933 BasicCegarLoop]: 1499 mSDtfsCounter, 2158 mSDsluCounter, 9517 mSDsCounter, 0 mSdLazyCounter, 3975 mSolverCounterSat, 2109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2263 SdHoareTripleChecker+Valid, 11016 SdHoareTripleChecker+Invalid, 6084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2109 IncrementalHoareTripleChecker+Valid, 3975 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:26:43,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2263 Valid, 11016 Invalid, 6084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2109 Valid, 3975 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-06 17:26:43,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4298 states. [2021-12-06 17:26:43,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4298 to 3114. [2021-12-06 17:26:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3114 states, 2073 states have (on average 1.1842739990352147) internal successors, (2455), 2125 states have internal predecessors, (2455), 720 states have call successors, (720), 294 states have call predecessors, (720), 315 states have return successors, (785), 710 states have call predecessors, (785), 718 states have call successors, (785) [2021-12-06 17:26:43,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 3960 transitions. [2021-12-06 17:26:43,569 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 3960 transitions. Word has length 251 [2021-12-06 17:26:43,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:26:43,570 INFO L470 AbstractCegarLoop]: Abstraction has 3114 states and 3960 transitions. [2021-12-06 17:26:43,570 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.333333333333334) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (35), 9 states have call predecessors, (35), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-12-06 17:26:43,570 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3960 transitions. [2021-12-06 17:26:43,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-12-06 17:26:43,572 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:26:43,572 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:26:43,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2021-12-06 17:26:43,572 INFO L402 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:26:43,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:26:43,573 INFO L85 PathProgramCache]: Analyzing trace with hash 981994073, now seen corresponding path program 1 times [2021-12-06 17:26:43,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:26:43,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698037068] [2021-12-06 17:26:43,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:43,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:26:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:26:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:26:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:26:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:26:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:26:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:26:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:26:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:43,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:26:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:26:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:26:43,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 17:26:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:26:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 17:26:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:26:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 17:26:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:26:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-06 17:26:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:26:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-06 17:26:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:26:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 17:26:43,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-06 17:26:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:43,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-06 17:26:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2021-12-06 17:26:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 17:26:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:43,822 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked. [2021-12-06 17:26:43,822 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:26:43,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698037068] [2021-12-06 17:26:43,823 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698037068] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:26:43,823 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:26:43,823 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 17:26:43,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056930916] [2021-12-06 17:26:43,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:26:43,823 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 17:26:43,823 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:26:43,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 17:26:43,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:26:43,824 INFO L87 Difference]: Start difference. First operand 3114 states and 3960 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-06 17:26:46,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:26:46,219 INFO L93 Difference]: Finished difference Result 3149 states and 3997 transitions. [2021-12-06 17:26:46,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 17:26:46,220 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 267 [2021-12-06 17:26:46,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:26:46,226 INFO L225 Difference]: With dead ends: 3149 [2021-12-06 17:26:46,226 INFO L226 Difference]: Without dead ends: 3147 [2021-12-06 17:26:46,227 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-12-06 17:26:46,227 INFO L933 BasicCegarLoop]: 1132 mSDtfsCounter, 1719 mSDsluCounter, 2976 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 946 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1880 SdHoareTripleChecker+Valid, 4108 SdHoareTripleChecker+Invalid, 2294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 946 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:26:46,227 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1880 Valid, 4108 Invalid, 2294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [946 Valid, 1348 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-12-06 17:26:46,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3147 states. [2021-12-06 17:26:46,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3147 to 3128. [2021-12-06 17:26:46,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3128 states, 2084 states have (on average 1.1813819577735125) internal successors, (2462), 2135 states have internal predecessors, (2462), 720 states have call successors, (720), 298 states have call predecessors, (720), 319 states have return successors, (785), 710 states have call predecessors, (785), 718 states have call successors, (785) [2021-12-06 17:26:46,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 3128 states and 3967 transitions. [2021-12-06 17:26:46,621 INFO L78 Accepts]: Start accepts. Automaton has 3128 states and 3967 transitions. Word has length 267 [2021-12-06 17:26:46,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:26:46,622 INFO L470 AbstractCegarLoop]: Abstraction has 3128 states and 3967 transitions. [2021-12-06 17:26:46,622 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-06 17:26:46,622 INFO L276 IsEmpty]: Start isEmpty. Operand 3128 states and 3967 transitions. [2021-12-06 17:26:46,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-12-06 17:26:46,624 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:26:46,624 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:26:46,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2021-12-06 17:26:46,624 INFO L402 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)] === [2021-12-06 17:26:46,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:26:46,625 INFO L85 PathProgramCache]: Analyzing trace with hash 513081129, now seen corresponding path program 1 times [2021-12-06 17:26:46,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:26:46,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595493660] [2021-12-06 17:26:46,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:46,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:26:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:26:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:26:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:26:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:26:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:26:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:26:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:26:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:46,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:26:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:26:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:26:46,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 17:26:46,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:26:46,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:46,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 17:26:46,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:46,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:26:46,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 17:26:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:26:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:46,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-06 17:26:46,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:26:46,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-06 17:26:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:26:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-06 17:26:46,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:46,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-06 17:26:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-06 17:26:46,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:46,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:46,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:47,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-06 17:26:47,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:47,008 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 9 proven. 28 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2021-12-06 17:26:47,008 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:26:47,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595493660] [2021-12-06 17:26:47,008 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595493660] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:26:47,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [293719367] [2021-12-06 17:26:47,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:47,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:26:47,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:26:47,009 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:26:47,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2021-12-06 17:26:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:47,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 29 conjunts are in the unsatisfiable core [2021-12-06 17:26:47,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:26:47,690 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2021-12-06 17:26:47,690 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:26:47,690 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [293719367] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:26:47,690 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:26:47,690 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [24] total 25 [2021-12-06 17:26:47,690 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570103654] [2021-12-06 17:26:47,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:26:47,691 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 17:26:47,691 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:26:47,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 17:26:47,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=552, Unknown=0, NotChecked=0, Total=600 [2021-12-06 17:26:47,691 INFO L87 Difference]: Start difference. First operand 3128 states and 3967 transitions. Second operand has 18 states, 17 states have (on average 6.764705882352941) internal successors, (115), 17 states have internal predecessors, (115), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 7 states have call predecessors, (34), 7 states have call successors, (34) [2021-12-06 17:26:48,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:26:48,490 INFO L93 Difference]: Finished difference Result 5490 states and 6886 transitions. [2021-12-06 17:26:48,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 17:26:48,491 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.764705882352941) internal successors, (115), 17 states have internal predecessors, (115), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 7 states have call predecessors, (34), 7 states have call successors, (34) Word has length 255 [2021-12-06 17:26:48,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:26:48,497 INFO L225 Difference]: With dead ends: 5490 [2021-12-06 17:26:48,497 INFO L226 Difference]: Without dead ends: 3107 [2021-12-06 17:26:48,501 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 328 SyntacticMatches, 1 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=187, Invalid=1145, Unknown=0, NotChecked=0, Total=1332 [2021-12-06 17:26:48,502 INFO L933 BasicCegarLoop]: 1155 mSDtfsCounter, 66 mSDsluCounter, 18437 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 19592 SdHoareTripleChecker+Invalid, 688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:26:48,502 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [66 Valid, 19592 Invalid, 688 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 17:26:48,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3107 states. [2021-12-06 17:26:48,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3107 to 3107. [2021-12-06 17:26:48,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3107 states, 2069 states have (on average 1.1822136297728372) internal successors, (2446), 2119 states have internal predecessors, (2446), 717 states have call successors, (717), 295 states have call predecessors, (717), 316 states have return successors, (782), 708 states have call predecessors, (782), 715 states have call successors, (782) [2021-12-06 17:26:48,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3107 states to 3107 states and 3945 transitions. [2021-12-06 17:26:48,905 INFO L78 Accepts]: Start accepts. Automaton has 3107 states and 3945 transitions. Word has length 255 [2021-12-06 17:26:48,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:26:48,905 INFO L470 AbstractCegarLoop]: Abstraction has 3107 states and 3945 transitions. [2021-12-06 17:26:48,905 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.764705882352941) internal successors, (115), 17 states have internal predecessors, (115), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 7 states have call predecessors, (34), 7 states have call successors, (34) [2021-12-06 17:26:48,905 INFO L276 IsEmpty]: Start isEmpty. Operand 3107 states and 3945 transitions. [2021-12-06 17:26:48,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-12-06 17:26:48,907 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:26:48,907 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:26:48,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2021-12-06 17:26:49,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:26:49,110 INFO L402 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:26:49,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:26:49,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1439468825, now seen corresponding path program 1 times [2021-12-06 17:26:49,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:26:49,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944705838] [2021-12-06 17:26:49,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:49,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:26:49,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:26:49,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:26:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:26:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:26:49,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:26:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:26:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:26:49,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:26:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:26:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:26:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 17:26:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:26:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 17:26:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:26:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 17:26:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:26:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2021-12-06 17:26:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-06 17:26:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-12-06 17:26:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2021-12-06 17:26:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-06 17:26:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-12-06 17:26:49,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-06 17:26:49,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-06 17:26:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,379 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2021-12-06 17:26:49,379 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:26:49,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944705838] [2021-12-06 17:26:49,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944705838] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:26:49,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124016687] [2021-12-06 17:26:49,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:49,379 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:26:49,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:26:49,380 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:26:49,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2021-12-06 17:26:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:49,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 2191 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-06 17:26:49,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:26:50,093 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2021-12-06 17:26:50,094 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:26:50,094 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124016687] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:26:50,094 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:26:50,094 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 21 [2021-12-06 17:26:50,094 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963500088] [2021-12-06 17:26:50,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:26:50,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 17:26:50,095 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:26:50,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 17:26:50,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2021-12-06 17:26:50,095 INFO L87 Difference]: Start difference. First operand 3107 states and 3945 transitions. Second operand has 13 states, 12 states have (on average 9.333333333333334) internal successors, (112), 12 states have internal predecessors, (112), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34) [2021-12-06 17:26:50,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:26:50,934 INFO L93 Difference]: Finished difference Result 5711 states and 7221 transitions. [2021-12-06 17:26:50,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 17:26:50,935 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.333333333333334) internal successors, (112), 12 states have internal predecessors, (112), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34) Word has length 255 [2021-12-06 17:26:50,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:26:50,941 INFO L225 Difference]: With dead ends: 5711 [2021-12-06 17:26:50,941 INFO L226 Difference]: Without dead ends: 3366 [2021-12-06 17:26:50,946 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=817, Unknown=0, NotChecked=0, Total=930 [2021-12-06 17:26:50,946 INFO L933 BasicCegarLoop]: 1277 mSDtfsCounter, 213 mSDsluCounter, 13630 mSDsCounter, 0 mSdLazyCounter, 453 mSolverCounterSat, 207 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 14907 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 207 IncrementalHoareTripleChecker+Valid, 453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:26:50,946 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [213 Valid, 14907 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [207 Valid, 453 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 17:26:50,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3366 states. [2021-12-06 17:26:51,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3366 to 3123. [2021-12-06 17:26:51,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3123 states, 2083 states have (on average 1.1800288046087375) internal successors, (2458), 2131 states have internal predecessors, (2458), 719 states have call successors, (719), 295 states have call predecessors, (719), 316 states have return successors, (784), 712 states have call predecessors, (784), 717 states have call successors, (784) [2021-12-06 17:26:51,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3123 states to 3123 states and 3961 transitions. [2021-12-06 17:26:51,385 INFO L78 Accepts]: Start accepts. Automaton has 3123 states and 3961 transitions. Word has length 255 [2021-12-06 17:26:51,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:26:51,385 INFO L470 AbstractCegarLoop]: Abstraction has 3123 states and 3961 transitions. [2021-12-06 17:26:51,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.333333333333334) internal successors, (112), 12 states have internal predecessors, (112), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34) [2021-12-06 17:26:51,385 INFO L276 IsEmpty]: Start isEmpty. Operand 3123 states and 3961 transitions. [2021-12-06 17:26:51,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2021-12-06 17:26:51,389 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:26:51,389 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:26:51,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2021-12-06 17:26:51,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:26:51,591 INFO L402 AbstractCegarLoop]: === Iteration 46 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:26:51,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:26:51,592 INFO L85 PathProgramCache]: Analyzing trace with hash -492785265, now seen corresponding path program 1 times [2021-12-06 17:26:51,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:26:51,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291855840] [2021-12-06 17:26:51,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:26:51,594 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:26:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:26:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:26:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:26:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:26:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:26:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:51,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:26:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 17:26:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:51,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 17:26:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:26:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:26:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:26:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:51,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:26:51,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:26:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 17:26:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-06 17:26:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 17:26:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:51,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:26:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:26:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:26:51,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-12-06 17:26:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-12-06 17:26:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-12-06 17:26:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-12-06 17:26:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-06 17:26:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-06 17:26:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2021-12-06 17:26:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:51,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2021-12-06 17:26:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:52,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-06 17:26:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:52,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:52,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-06 17:26:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:52,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-12-06 17:26:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:52,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:52,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:52,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 17:26:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:52,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:52,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:52,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-06 17:26:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:52,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:26:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:52,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2021-12-06 17:26:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:26:52,054 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2021-12-06 17:26:52,054 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:26:52,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291855840] [2021-12-06 17:26:52,054 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291855840] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:26:52,054 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:26:52,055 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-12-06 17:26:52,055 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721956322] [2021-12-06 17:26:52,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:26:52,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2021-12-06 17:26:52,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:26:52,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-06 17:26:52,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=420, Unknown=0, NotChecked=0, Total=462 [2021-12-06 17:26:52,056 INFO L87 Difference]: Start difference. First operand 3123 states and 3961 transitions. Second operand has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 14 states have internal predecessors, (131), 7 states have call successors, (46), 9 states have call predecessors, (46), 3 states have return successors, (43), 7 states have call predecessors, (43), 7 states have call successors, (43) [2021-12-06 17:27:00,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:27:00,916 INFO L93 Difference]: Finished difference Result 8468 states and 11373 transitions. [2021-12-06 17:27:00,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-12-06 17:27:00,916 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 14 states have internal predecessors, (131), 7 states have call successors, (46), 9 states have call predecessors, (46), 3 states have return successors, (43), 7 states have call predecessors, (43), 7 states have call successors, (43) Word has length 326 [2021-12-06 17:27:00,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:27:00,929 INFO L225 Difference]: With dead ends: 8468 [2021-12-06 17:27:00,929 INFO L226 Difference]: Without dead ends: 5767 [2021-12-06 17:27:00,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=327, Invalid=1653, Unknown=0, NotChecked=0, Total=1980 [2021-12-06 17:27:00,934 INFO L933 BasicCegarLoop]: 1773 mSDtfsCounter, 4546 mSDsluCounter, 22847 mSDsCounter, 0 mSdLazyCounter, 8794 mSolverCounterSat, 3292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4708 SdHoareTripleChecker+Valid, 24620 SdHoareTripleChecker+Invalid, 12086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3292 IncrementalHoareTripleChecker+Valid, 8794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-12-06 17:27:00,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4708 Valid, 24620 Invalid, 12086 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3292 Valid, 8794 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2021-12-06 17:27:00,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5767 states. [2021-12-06 17:27:01,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5767 to 3158. [2021-12-06 17:27:01,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3158 states, 2108 states have (on average 1.1778937381404175) internal successors, (2483), 2154 states have internal predecessors, (2483), 729 states have call successors, (729), 295 states have call predecessors, (729), 316 states have return successors, (794), 724 states have call predecessors, (794), 727 states have call successors, (794) [2021-12-06 17:27:01,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 3158 states and 4006 transitions. [2021-12-06 17:27:01,421 INFO L78 Accepts]: Start accepts. Automaton has 3158 states and 4006 transitions. Word has length 326 [2021-12-06 17:27:01,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:27:01,422 INFO L470 AbstractCegarLoop]: Abstraction has 3158 states and 4006 transitions. [2021-12-06 17:27:01,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 14 states have internal predecessors, (131), 7 states have call successors, (46), 9 states have call predecessors, (46), 3 states have return successors, (43), 7 states have call predecessors, (43), 7 states have call successors, (43) [2021-12-06 17:27:01,422 INFO L276 IsEmpty]: Start isEmpty. Operand 3158 states and 4006 transitions. [2021-12-06 17:27:01,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2021-12-06 17:27:01,425 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:27:01,425 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:27:01,425 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2021-12-06 17:27:01,425 INFO L402 AbstractCegarLoop]: === Iteration 47 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:27:01,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:27:01,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1074100786, now seen corresponding path program 1 times [2021-12-06 17:27:01,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:27:01,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691702850] [2021-12-06 17:27:01,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:27:01,426 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:27:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:27:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:27:01,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:27:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:27:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 17:27:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 17:27:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:27:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:01,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:27:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:01,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:27:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 17:27:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-06 17:27:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 17:27:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:27:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:27:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:27:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:27:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:27:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-06 17:27:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-06 17:27:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:27:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:27:01,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:27:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:27:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-06 17:27:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-06 17:27:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:27:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:27:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:27:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:27:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2021-12-06 17:27:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-06 17:27:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-06 17:27:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-06 17:27:01,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-06 17:27:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-06 17:27:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:01,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1118 trivial. 0 not checked. [2021-12-06 17:27:01,779 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:27:01,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691702850] [2021-12-06 17:27:01,779 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691702850] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:27:01,779 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:27:01,779 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 17:27:01,779 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102104676] [2021-12-06 17:27:01,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:27:01,780 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 17:27:01,780 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:27:01,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 17:27:01,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:27:01,780 INFO L87 Difference]: Start difference. First operand 3158 states and 4006 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-06 17:27:07,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:27:07,286 INFO L93 Difference]: Finished difference Result 7161 states and 9296 transitions. [2021-12-06 17:27:07,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 17:27:07,286 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 [2021-12-06 17:27:07,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:27:07,294 INFO L225 Difference]: With dead ends: 7161 [2021-12-06 17:27:07,294 INFO L226 Difference]: Without dead ends: 4065 [2021-12-06 17:27:07,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2021-12-06 17:27:07,298 INFO L933 BasicCegarLoop]: 1360 mSDtfsCounter, 1639 mSDsluCounter, 4476 mSDsCounter, 0 mSdLazyCounter, 3107 mSolverCounterSat, 1559 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1719 SdHoareTripleChecker+Valid, 5836 SdHoareTripleChecker+Invalid, 4666 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1559 IncrementalHoareTripleChecker+Valid, 3107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-06 17:27:07,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1719 Valid, 5836 Invalid, 4666 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1559 Valid, 3107 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-12-06 17:27:07,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4065 states. [2021-12-06 17:27:07,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4065 to 3167. [2021-12-06 17:27:07,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3167 states, 2117 states have (on average 1.1785545583372696) internal successors, (2495), 2163 states have internal predecessors, (2495), 729 states have call successors, (729), 295 states have call predecessors, (729), 316 states have return successors, (794), 724 states have call predecessors, (794), 727 states have call successors, (794) [2021-12-06 17:27:07,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3167 states to 3167 states and 4018 transitions. [2021-12-06 17:27:07,771 INFO L78 Accepts]: Start accepts. Automaton has 3167 states and 4018 transitions. Word has length 423 [2021-12-06 17:27:07,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:27:07,771 INFO L470 AbstractCegarLoop]: Abstraction has 3167 states and 4018 transitions. [2021-12-06 17:27:07,771 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-06 17:27:07,771 INFO L276 IsEmpty]: Start isEmpty. Operand 3167 states and 4018 transitions. [2021-12-06 17:27:07,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2021-12-06 17:27:07,774 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:27:07,774 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-12-06 17:27:07,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2021-12-06 17:27:07,775 INFO L402 AbstractCegarLoop]: === Iteration 48 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:27:07,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:27:07,775 INFO L85 PathProgramCache]: Analyzing trace with hash 925821788, now seen corresponding path program 1 times [2021-12-06 17:27:07,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:27:07,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796198880] [2021-12-06 17:27:07,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:27:07,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:27:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:27:07,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:27:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:07,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:27:07,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:27:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 17:27:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 17:27:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:27:07,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:07,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:27:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:27:07,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:07,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:07,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 17:27:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-06 17:27:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 17:27:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:27:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:08,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:27:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:27:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:27:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:27:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-06 17:27:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2021-12-06 17:27:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:27:08,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:27:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:27:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:27:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-06 17:27:08,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-06 17:27:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:08,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:27:08,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:08,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:27:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:27:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:27:08,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-12-06 17:27:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-06 17:27:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-06 17:27:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2021-12-06 17:27:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-06 17:27:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-06 17:27:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:08,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1120 trivial. 0 not checked. [2021-12-06 17:27:08,151 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:27:08,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796198880] [2021-12-06 17:27:08,151 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796198880] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:27:08,151 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:27:08,151 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 17:27:08,151 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773372786] [2021-12-06 17:27:08,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:27:08,152 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 17:27:08,152 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:27:08,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 17:27:08,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:27:08,152 INFO L87 Difference]: Start difference. First operand 3167 states and 4018 transitions. Second operand has 10 states, 10 states have (on average 11.5) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-06 17:27:14,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:27:14,058 INFO L93 Difference]: Finished difference Result 7179 states and 9320 transitions. [2021-12-06 17:27:14,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 17:27:14,058 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 [2021-12-06 17:27:14,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:27:14,066 INFO L225 Difference]: With dead ends: 7179 [2021-12-06 17:27:14,067 INFO L226 Difference]: Without dead ends: 4084 [2021-12-06 17:27:14,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2021-12-06 17:27:14,071 INFO L933 BasicCegarLoop]: 1357 mSDtfsCounter, 1361 mSDsluCounter, 4467 mSDsCounter, 0 mSdLazyCounter, 3107 mSolverCounterSat, 1274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1441 SdHoareTripleChecker+Valid, 5824 SdHoareTripleChecker+Invalid, 4381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1274 IncrementalHoareTripleChecker+Valid, 3107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:27:14,071 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1441 Valid, 5824 Invalid, 4381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1274 Valid, 3107 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-06 17:27:14,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4084 states. [2021-12-06 17:27:14,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4084 to 3185. [2021-12-06 17:27:14,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3185 states, 2135 states have (on average 1.180327868852459) internal successors, (2520), 2181 states have internal predecessors, (2520), 729 states have call successors, (729), 295 states have call predecessors, (729), 316 states have return successors, (794), 724 states have call predecessors, (794), 727 states have call successors, (794) [2021-12-06 17:27:14,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 3185 states and 4043 transitions. [2021-12-06 17:27:14,559 INFO L78 Accepts]: Start accepts. Automaton has 3185 states and 4043 transitions. Word has length 431 [2021-12-06 17:27:14,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:27:14,559 INFO L470 AbstractCegarLoop]: Abstraction has 3185 states and 4043 transitions. [2021-12-06 17:27:14,559 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.5) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-06 17:27:14,559 INFO L276 IsEmpty]: Start isEmpty. Operand 3185 states and 4043 transitions. [2021-12-06 17:27:14,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2021-12-06 17:27:14,562 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:27:14,562 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 16, 11, 11, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:27:14,562 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2021-12-06 17:27:14,562 INFO L402 AbstractCegarLoop]: === Iteration 49 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:27:14,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:27:14,562 INFO L85 PathProgramCache]: Analyzing trace with hash 2128455846, now seen corresponding path program 1 times [2021-12-06 17:27:14,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:27:14,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347150343] [2021-12-06 17:27:14,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:27:14,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:27:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:27:14,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:27:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:14,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:27:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:27:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:27:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:27:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:27:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:27:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 17:27:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:27:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:14,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 17:27:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:14,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:27:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 17:27:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:27:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:14,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:27:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:27:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:14,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 17:27:14,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-06 17:27:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 17:27:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-06 17:27:14,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:14,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-12-06 17:27:14,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2021-12-06 17:27:14,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-12-06 17:27:14,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-12-06 17:27:14,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 17:27:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:27:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:27:14,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-06 17:27:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-06 17:27:14,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:14,799 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2021-12-06 17:27:14,799 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:27:14,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347150343] [2021-12-06 17:27:14,800 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347150343] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:27:14,800 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:27:14,800 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 17:27:14,800 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133914291] [2021-12-06 17:27:14,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:27:14,800 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 17:27:14,800 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:27:14,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:27:14,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:27:14,801 INFO L87 Difference]: Start difference. First operand 3185 states and 4043 transitions. Second operand has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (41), 7 states have call predecessors, (41), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-06 17:27:18,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:27:18,934 INFO L93 Difference]: Finished difference Result 5821 states and 7373 transitions. [2021-12-06 17:27:18,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 17:27:18,935 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (41), 7 states have call predecessors, (41), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) Word has length 311 [2021-12-06 17:27:18,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:27:18,941 INFO L225 Difference]: With dead ends: 5821 [2021-12-06 17:27:18,941 INFO L226 Difference]: Without dead ends: 3464 [2021-12-06 17:27:18,944 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2021-12-06 17:27:18,944 INFO L933 BasicCegarLoop]: 1218 mSDtfsCounter, 2003 mSDsluCounter, 5190 mSDsCounter, 0 mSdLazyCounter, 2741 mSolverCounterSat, 1837 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2033 SdHoareTripleChecker+Valid, 6408 SdHoareTripleChecker+Invalid, 4578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1837 IncrementalHoareTripleChecker+Valid, 2741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-12-06 17:27:18,944 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2033 Valid, 6408 Invalid, 4578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1837 Valid, 2741 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2021-12-06 17:27:18,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3464 states. [2021-12-06 17:27:19,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3464 to 3185. [2021-12-06 17:27:19,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3185 states, 2135 states have (on average 1.1793911007025761) internal successors, (2518), 2181 states have internal predecessors, (2518), 729 states have call successors, (729), 295 states have call predecessors, (729), 316 states have return successors, (794), 724 states have call predecessors, (794), 727 states have call successors, (794) [2021-12-06 17:27:19,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3185 states to 3185 states and 4041 transitions. [2021-12-06 17:27:19,424 INFO L78 Accepts]: Start accepts. Automaton has 3185 states and 4041 transitions. Word has length 311 [2021-12-06 17:27:19,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:27:19,425 INFO L470 AbstractCegarLoop]: Abstraction has 3185 states and 4041 transitions. [2021-12-06 17:27:19,425 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (41), 7 states have call predecessors, (41), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-06 17:27:19,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3185 states and 4041 transitions. [2021-12-06 17:27:19,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2021-12-06 17:27:19,428 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:27:19,428 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:27:19,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2021-12-06 17:27:19,428 INFO L402 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)] === [2021-12-06 17:27:19,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:27:19,429 INFO L85 PathProgramCache]: Analyzing trace with hash 20315048, now seen corresponding path program 1 times [2021-12-06 17:27:19,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:27:19,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926007066] [2021-12-06 17:27:19,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:27:19,429 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:27:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:19,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:27:19,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:19,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:27:19,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:19,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:19,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:19,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:19,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:27:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:19,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:19,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:19,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:19,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:19,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:27:19,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:19,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 17:27:19,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:19,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:19,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:19,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:19,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:19,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 17:27:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:27:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:27:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:27:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 17:27:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-06 17:27:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 17:27:20,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:27:20,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:27:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:27:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:27:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:27:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-06 17:27:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-06 17:27:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:20,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:27:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:20,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:27:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:27:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:27:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2021-12-06 17:27:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-06 17:27:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:20,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:27:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:20,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:27:20,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:27:20,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:27:20,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-12-06 17:27:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2021-12-06 17:27:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2021-12-06 17:27:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-12-06 17:27:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-12-06 17:27:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-06 17:27:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:20,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2021-12-06 17:27:20,381 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:27:20,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926007066] [2021-12-06 17:27:20,381 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926007066] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:27:20,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [974428358] [2021-12-06 17:27:20,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:27:20,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:27:20,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:27:20,382 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:27:20,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-12-06 17:27:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:34,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 3128 conjuncts, 97 conjunts are in the unsatisfiable core [2021-12-06 17:27:34,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:27:34,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 17:27:34,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 17:27:34,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2021-12-06 17:27:34,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 10 [2021-12-06 17:27:34,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2021-12-06 17:27:34,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:27:34,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [974428358] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:27:34,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:27:34,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [29] total 35 [2021-12-06 17:27:34,863 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781341718] [2021-12-06 17:27:34,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:27:34,863 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2021-12-06 17:27:34,863 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:27:34,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-12-06 17:27:34,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=1108, Unknown=0, NotChecked=0, Total=1190 [2021-12-06 17:27:34,864 INFO L87 Difference]: Start difference. First operand 3185 states and 4041 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) [2021-12-06 17:27:46,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:27:46,139 INFO L93 Difference]: Finished difference Result 7997 states and 10898 transitions. [2021-12-06 17:27:46,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-12-06 17:27:46,140 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 [2021-12-06 17:27:46,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:27:46,152 INFO L225 Difference]: With dead ends: 7997 [2021-12-06 17:27:46,152 INFO L226 Difference]: Without dead ends: 6287 [2021-12-06 17:27:46,155 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 623 GetRequests, 575 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=148, Invalid=2108, Unknown=0, NotChecked=0, Total=2256 [2021-12-06 17:27:46,155 INFO L933 BasicCegarLoop]: 2056 mSDtfsCounter, 1561 mSDsluCounter, 21545 mSDsCounter, 0 mSdLazyCounter, 9525 mSolverCounterSat, 973 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1689 SdHoareTripleChecker+Valid, 23601 SdHoareTripleChecker+Invalid, 10498 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 973 IncrementalHoareTripleChecker+Valid, 9525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2021-12-06 17:27:46,156 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1689 Valid, 23601 Invalid, 10498 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [973 Valid, 9525 Invalid, 0 Unknown, 0 Unchecked, 9.5s Time] [2021-12-06 17:27:46,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6287 states. [2021-12-06 17:27:46,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6287 to 3291. [2021-12-06 17:27:46,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3291 states, 2192 states have (on average 1.176551094890511) internal successors, (2579), 2238 states have internal predecessors, (2579), 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) [2021-12-06 17:27:46,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3291 states to 3291 states and 4195 transitions. [2021-12-06 17:27:46,730 INFO L78 Accepts]: Start accepts. Automaton has 3291 states and 4195 transitions. Word has length 439 [2021-12-06 17:27:46,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:27:46,731 INFO L470 AbstractCegarLoop]: Abstraction has 3291 states and 4195 transitions. [2021-12-06 17:27:46,731 INFO L471 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) [2021-12-06 17:27:46,731 INFO L276 IsEmpty]: Start isEmpty. Operand 3291 states and 4195 transitions. [2021-12-06 17:27:46,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-12-06 17:27:46,734 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:27:46,734 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 19, 11, 11, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:27:46,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-12-06 17:27:46,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-12-06 17:27:46,936 INFO L402 AbstractCegarLoop]: === Iteration 51 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:27:46,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:27:46,937 INFO L85 PathProgramCache]: Analyzing trace with hash 126360513, now seen corresponding path program 1 times [2021-12-06 17:27:46,938 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:27:46,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801296359] [2021-12-06 17:27:46,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:27:46,939 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:27:47,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:27:47,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:27:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:27:47,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:27:47,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:27:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:47,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:27:47,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:27:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:27:47,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 17:27:47,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:47,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:47,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:27:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 17:27:47,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:47,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:47,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:27:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 17:27:47,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:27:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:27:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:27:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 17:27:47,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-06 17:27:47,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 17:27:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:47,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-06 17:27:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:47,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 17:27:47,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:47,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-06 17:27:47,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 17:27:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 17:27:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-06 17:27:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-06 17:27:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-12-06 17:27:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:47,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2021-12-06 17:27:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 17:27:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:47,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2021-12-06 17:27:47,206 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:27:47,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801296359] [2021-12-06 17:27:47,206 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801296359] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:27:47,206 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:27:47,206 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-12-06 17:27:47,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808125882] [2021-12-06 17:27:47,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:27:47,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-12-06 17:27:47,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:27:47,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-12-06 17:27:47,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:27:47,207 INFO L87 Difference]: Start difference. First operand 3291 states and 4195 transitions. Second operand has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2021-12-06 17:27:51,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:27:51,835 INFO L93 Difference]: Finished difference Result 6422 states and 8275 transitions. [2021-12-06 17:27:51,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-12-06 17:27:51,836 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) Word has length 343 [2021-12-06 17:27:51,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:27:51,843 INFO L225 Difference]: With dead ends: 6422 [2021-12-06 17:27:51,843 INFO L226 Difference]: Without dead ends: 4065 [2021-12-06 17:27:51,845 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2021-12-06 17:27:51,846 INFO L933 BasicCegarLoop]: 1534 mSDtfsCounter, 1877 mSDsluCounter, 7570 mSDsCounter, 0 mSdLazyCounter, 2908 mSolverCounterSat, 1588 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 9104 SdHoareTripleChecker+Invalid, 4496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1588 IncrementalHoareTripleChecker+Valid, 2908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-12-06 17:27:51,846 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1877 Valid, 9104 Invalid, 4496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1588 Valid, 2908 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2021-12-06 17:27:51,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4065 states. [2021-12-06 17:27:52,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4065 to 3167. [2021-12-06 17:27:52,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3167 states, 2100 states have (on average 1.1652380952380952) internal successors, (2447), 2144 states have internal predecessors, (2447), 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) [2021-12-06 17:27:52,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3167 states to 3167 states and 4007 transitions. [2021-12-06 17:27:52,395 INFO L78 Accepts]: Start accepts. Automaton has 3167 states and 4007 transitions. Word has length 343 [2021-12-06 17:27:52,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:27:52,395 INFO L470 AbstractCegarLoop]: Abstraction has 3167 states and 4007 transitions. [2021-12-06 17:27:52,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2021-12-06 17:27:52,396 INFO L276 IsEmpty]: Start isEmpty. Operand 3167 states and 4007 transitions. [2021-12-06 17:27:52,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2021-12-06 17:27:52,398 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:27:52,398 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 11, 11, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:27:52,398 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2021-12-06 17:27:52,399 INFO L402 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)] === [2021-12-06 17:27:52,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:27:52,399 INFO L85 PathProgramCache]: Analyzing trace with hash 790296362, now seen corresponding path program 1 times [2021-12-06 17:27:52,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:27:52,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139439203] [2021-12-06 17:27:52,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:27:52,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:27:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:27:52,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:27:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:52,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:27:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:27:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:27:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:27:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:27:52,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:27:52,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 17:27:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:27:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 17:27:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:27:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 17:27:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:27:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:27:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:27:52,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 17:27:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-06 17:27:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 17:27:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:52,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-06 17:27:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 17:27:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-06 17:27:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-12-06 17:27:52,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 17:27:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-06 17:27:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2021-12-06 17:27:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:52,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-06 17:27:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-06 17:27:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-06 17:27:52,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:52,694 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2021-12-06 17:27:52,694 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:27:52,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139439203] [2021-12-06 17:27:52,694 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139439203] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:27:52,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685123055] [2021-12-06 17:27:52,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:27:52,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:27:52,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:27:52,695 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:27:52,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2021-12-06 17:27:53,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:53,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 2455 conjuncts, 19 conjunts are in the unsatisfiable core [2021-12-06 17:27:53,217 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:27:53,493 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2021-12-06 17:27:53,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:27:53,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685123055] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:27:53,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:27:53,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 21 [2021-12-06 17:27:53,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175293360] [2021-12-06 17:27:53,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:27:53,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 17:27:53,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:27:53,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 17:27:53,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2021-12-06 17:27:53,494 INFO L87 Difference]: Start difference. First operand 3167 states and 4007 transitions. Second operand has 13 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 6 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (47), 6 states have call predecessors, (47), 6 states have call successors, (47) [2021-12-06 17:27:54,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:27:54,574 INFO L93 Difference]: Finished difference Result 5633 states and 7085 transitions. [2021-12-06 17:27:54,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 17:27:54,574 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 6 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (47), 6 states have call predecessors, (47), 6 states have call successors, (47) Word has length 331 [2021-12-06 17:27:54,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:27:54,580 INFO L225 Difference]: With dead ends: 5633 [2021-12-06 17:27:54,580 INFO L226 Difference]: Without dead ends: 3446 [2021-12-06 17:27:54,583 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 453 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=817, Unknown=0, NotChecked=0, Total=930 [2021-12-06 17:27:54,583 INFO L933 BasicCegarLoop]: 1279 mSDtfsCounter, 219 mSDsluCounter, 13647 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 14926 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:27:54,583 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 14926 Invalid, 662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-12-06 17:27:54,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3446 states. [2021-12-06 17:27:55,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3446 to 3173. [2021-12-06 17:27:55,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3173 states, 2104 states have (on average 1.1649239543726235) internal successors, (2451), 2148 states have internal predecessors, (2451), 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) [2021-12-06 17:27:55,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 3173 states and 4015 transitions. [2021-12-06 17:27:55,129 INFO L78 Accepts]: Start accepts. Automaton has 3173 states and 4015 transitions. Word has length 331 [2021-12-06 17:27:55,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:27:55,130 INFO L470 AbstractCegarLoop]: Abstraction has 3173 states and 4015 transitions. [2021-12-06 17:27:55,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.166666666666666) internal successors, (146), 12 states have internal predecessors, (146), 6 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (47), 6 states have call predecessors, (47), 6 states have call successors, (47) [2021-12-06 17:27:55,130 INFO L276 IsEmpty]: Start isEmpty. Operand 3173 states and 4015 transitions. [2021-12-06 17:27:55,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2021-12-06 17:27:55,133 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:27:55,133 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 8, 8, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2021-12-06 17:27:55,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2021-12-06 17:27:55,334 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:27:55,335 INFO L402 AbstractCegarLoop]: === Iteration 53 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:27:55,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:27:55,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1617610152, now seen corresponding path program 2 times [2021-12-06 17:27:55,336 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:27:55,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335005916] [2021-12-06 17:27:55,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:27:55,338 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:27:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:27:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:27:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:27:55,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:55,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:27:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 17:27:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:55,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 17:27:55,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:27:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:27:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:27:55,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:27:55,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:27:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-12-06 17:27:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-12-06 17:27:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-12-06 17:27:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:27:55,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:55,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:27:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:27:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:27:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-12-06 17:27:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-12-06 17:27:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-06 17:27:55,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:27:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:27:55,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2021-12-06 17:27:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-06 17:27:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-06 17:27:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:27:55,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:27:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-06 17:27:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:27:55,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:27:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:27:55,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2021-12-06 17:27:55,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2021-12-06 17:27:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-06 17:27:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:27:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-06 17:27:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-12-06 17:27:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:27:55,767 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 940 trivial. 0 not checked. [2021-12-06 17:27:55,768 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:27:55,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335005916] [2021-12-06 17:27:55,768 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335005916] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:27:55,768 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687797543] [2021-12-06 17:27:55,768 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-12-06 17:27:55,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:27:55,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:27:55,769 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:27:55,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2021-12-06 17:27:56,300 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-12-06 17:27:56,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 17:27:56,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 1217 conjuncts, 46 conjunts are in the unsatisfiable core [2021-12-06 17:27:56,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:27:56,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 17:27:56,551 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-12-06 17:27:56,649 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2021-12-06 17:27:56,651 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2021-12-06 17:27:56,710 INFO L134 CoverageAnalysis]: Checked inductivity of 956 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 956 trivial. 0 not checked. [2021-12-06 17:27:56,710 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:27:56,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687797543] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:27:56,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:27:56,711 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2021-12-06 17:27:56,711 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994889424] [2021-12-06 17:27:56,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:27:56,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-12-06 17:27:56,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:27:56,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 17:27:56,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2021-12-06 17:27:56,712 INFO L87 Difference]: Start difference. First operand 3173 states and 4015 transitions. Second operand has 10 states, 8 states have (on average 14.5) internal successors, (116), 8 states have internal predecessors, (116), 4 states have call successors, (41), 4 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-06 17:28:03,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:28:03,378 INFO L93 Difference]: Finished difference Result 4982 states and 6336 transitions. [2021-12-06 17:28:03,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-06 17:28:03,378 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 14.5) internal successors, (116), 8 states have internal predecessors, (116), 4 states have call successors, (41), 4 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 423 [2021-12-06 17:28:03,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:28:03,385 INFO L225 Difference]: With dead ends: 4982 [2021-12-06 17:28:03,385 INFO L226 Difference]: Without dead ends: 3642 [2021-12-06 17:28:03,387 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 578 GetRequests, 552 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2021-12-06 17:28:03,387 INFO L933 BasicCegarLoop]: 1240 mSDtfsCounter, 390 mSDsluCounter, 5982 mSDsCounter, 0 mSdLazyCounter, 4571 mSolverCounterSat, 304 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 7222 SdHoareTripleChecker+Invalid, 4875 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 304 IncrementalHoareTripleChecker+Valid, 4571 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-12-06 17:28:03,387 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [508 Valid, 7222 Invalid, 4875 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [304 Valid, 4571 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2021-12-06 17:28:03,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3642 states. [2021-12-06 17:28:03,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3642 to 3194. [2021-12-06 17:28:03,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 2115 states have (on average 1.1640661938534278) internal successors, (2462), 2160 states have internal predecessors, (2462), 751 states have call successors, (751), 298 states have call predecessors, (751), 323 states have return successors, (829), 751 states have call predecessors, (829), 749 states have call successors, (829) [2021-12-06 17:28:03,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 4042 transitions. [2021-12-06 17:28:03,936 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 4042 transitions. Word has length 423 [2021-12-06 17:28:03,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:28:03,937 INFO L470 AbstractCegarLoop]: Abstraction has 3194 states and 4042 transitions. [2021-12-06 17:28:03,937 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 14.5) internal successors, (116), 8 states have internal predecessors, (116), 4 states have call successors, (41), 4 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2021-12-06 17:28:03,937 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 4042 transitions. [2021-12-06 17:28:03,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2021-12-06 17:28:03,939 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:28:03,940 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 11, 11, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:28:03,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2021-12-06 17:28:04,140 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:28:04,142 INFO L402 AbstractCegarLoop]: === Iteration 54 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:28:04,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:28:04,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1529833694, now seen corresponding path program 1 times [2021-12-06 17:28:04,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:28:04,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209847847] [2021-12-06 17:28:04,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:28:04,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:28:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:28:04,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:28:04,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:28:04,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:28:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2021-12-06 17:28:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2021-12-06 17:28:04,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2021-12-06 17:28:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:28:04,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-12-06 17:28:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-12-06 17:28:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:28:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2021-12-06 17:28:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:28:04,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:28:04,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:28:04,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-06 17:28:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:28:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:28:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:28:04,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 17:28:04,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:28:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:28:04,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:28:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-12-06 17:28:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-12-06 17:28:04,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-12-06 17:28:04,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:28:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 17:28:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-12-06 17:28:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:28:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-06 17:28:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:28:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2021-12-06 17:28:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-12-06 17:28:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:28:04,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:28:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-12-06 17:28:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:28:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-12-06 17:28:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2021-12-06 17:28:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-12-06 17:28:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:28:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-06 17:28:04,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:28:04,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-06 17:28:04,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-06 17:28:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2021-12-06 17:28:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-06 17:28:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:28:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 294 [2021-12-06 17:28:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:28:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:28:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2021-12-06 17:28:04,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:28:04,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2021-12-06 17:28:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:04,470 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2021-12-06 17:28:04,470 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:28:04,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209847847] [2021-12-06 17:28:04,470 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209847847] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 17:28:04,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091007790] [2021-12-06 17:28:04,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:28:04,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 17:28:04,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:28:04,471 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 17:28:04,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2021-12-06 17:28:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:05,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 2551 conjuncts, 20 conjunts are in the unsatisfiable core [2021-12-06 17:28:05,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:28:05,300 INFO L134 CoverageAnalysis]: Checked inductivity of 629 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 491 trivial. 0 not checked. [2021-12-06 17:28:05,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:28:05,300 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091007790] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:28:05,300 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-06 17:28:05,300 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 21 [2021-12-06 17:28:05,300 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217192131] [2021-12-06 17:28:05,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:28:05,301 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-12-06 17:28:05,301 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:28:05,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-12-06 17:28:05,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2021-12-06 17:28:05,301 INFO L87 Difference]: Start difference. First operand 3194 states and 4042 transitions. Second operand has 13 states, 12 states have (on average 12.75) internal successors, (153), 12 states have internal predecessors, (153), 6 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (49), 6 states have call predecessors, (49), 6 states have call successors, (49) [2021-12-06 17:28:06,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:28:06,341 INFO L93 Difference]: Finished difference Result 5672 states and 7136 transitions. [2021-12-06 17:28:06,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 17:28:06,341 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 12.75) internal successors, (153), 12 states have internal predecessors, (153), 6 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (49), 6 states have call predecessors, (49), 6 states have call successors, (49) Word has length 342 [2021-12-06 17:28:06,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:28:06,347 INFO L225 Difference]: With dead ends: 5672 [2021-12-06 17:28:06,348 INFO L226 Difference]: Without dead ends: 3479 [2021-12-06 17:28:06,350 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 468 GetRequests, 439 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=817, Unknown=0, NotChecked=0, Total=930 [2021-12-06 17:28:06,350 INFO L933 BasicCegarLoop]: 1279 mSDtfsCounter, 219 mSDsluCounter, 13647 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 212 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 14926 SdHoareTripleChecker+Invalid, 661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 212 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-06 17:28:06,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [219 Valid, 14926 Invalid, 661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [212 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-06 17:28:06,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3479 states. [2021-12-06 17:28:06,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3479 to 3194. [2021-12-06 17:28:06,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3194 states, 2115 states have (on average 1.1640661938534278) internal successors, (2462), 2160 states have internal predecessors, (2462), 751 states have call successors, (751), 298 states have call predecessors, (751), 323 states have return successors, (829), 751 states have call predecessors, (829), 749 states have call successors, (829) [2021-12-06 17:28:06,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 3194 states and 4042 transitions. [2021-12-06 17:28:06,904 INFO L78 Accepts]: Start accepts. Automaton has 3194 states and 4042 transitions. Word has length 342 [2021-12-06 17:28:06,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:28:06,904 INFO L470 AbstractCegarLoop]: Abstraction has 3194 states and 4042 transitions. [2021-12-06 17:28:06,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 12.75) internal successors, (153), 12 states have internal predecessors, (153), 6 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (49), 6 states have call predecessors, (49), 6 states have call successors, (49) [2021-12-06 17:28:06,904 INFO L276 IsEmpty]: Start isEmpty. Operand 3194 states and 4042 transitions. [2021-12-06 17:28:06,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2021-12-06 17:28:06,907 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:28:06,908 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 8, 8, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2021-12-06 17:28:06,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2021-12-06 17:28:07,108 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-12-06 17:28:07,110 INFO L402 AbstractCegarLoop]: === Iteration 55 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:28:07,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:28:07,111 INFO L85 PathProgramCache]: Analyzing trace with hash 783493564, now seen corresponding path program 1 times [2021-12-06 17:28:07,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:28:07,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79186247] [2021-12-06 17:28:07,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:28:07,112 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:28:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:28:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-06 17:28:07,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-06 17:28:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-06 17:28:07,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-12-06 17:28:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:28:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:28:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:28:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-12-06 17:28:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2021-12-06 17:28:07,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:28:07,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:28:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:28:07,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-06 17:28:07,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:28:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:28:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:28:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:28:07,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-06 17:28:07,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:28:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:28:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:28:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-12-06 17:28:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:28:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:28:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-06 17:28:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:28:07,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] RET ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(size)=4, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-73786976294838206463:0}, rtnllocknumber=0, size=4, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-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)=4, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_is_err((void const *)res)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, 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=4, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8470] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=4, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-73786976294838206463:0}, rtnllocknumber=0, size=4, 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)=4, \result={-73786976294838206463:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-73786976294838206463:0}, rtnllocknumber=0, size=4, 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] [L5726] RET, EXPR ldv_xmalloc(4UL) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_xmalloc(4UL)={-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, 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={18446744073709551686:18446744073709551642}, arg0={-73786976294838206463:0}, arg0={-73786976294838206463:0}, 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={0:0}, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551615:0}, rtnllocknumber=0, size=504, tmp={-18446744073709551615:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] CALL ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551615:0}, rtnllocknumber=0, size=504, tmp={-18446744073709551615:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] CALL, EXPR ldv_is_err((void const *)res) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-18446744073709551615:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7220] return ((unsigned long )ptr > 4294967295UL); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-18446744073709551615:0}, ptr={-18446744073709551615:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] RET, EXPR ldv_is_err((void const *)res) VAL [\old(size)=504, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_is_err((void const *)res)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551615:0}, rtnllocknumber=0, size=504, tmp={-18446744073709551615:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] tmp___0 = ldv_is_err((void const *)res) [L8470] CALL ldv_assume(tmp___0 == 0L) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8470] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=504, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551615:0}, rtnllocknumber=0, size=504, tmp={-18446744073709551615:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8472] return (res); VAL [\old(size)=504, \result={-18446744073709551615:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551615:0}, rtnllocknumber=0, size=504, tmp={-18446744073709551615:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5822] RET, EXPR ldv_xmalloc(504UL) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, arg0={-73786976294838206463:0}, arg0={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_ret_default=1, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_xmalloc(504UL)={-18446744073709551615:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, 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={18446744073709551686:18446744073709551642}, arg0={-73786976294838206463:0}, arg0={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551615:0}, ldv_0_ret_default=1, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_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={-18446744073709551615:0}, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232221128654847:0}, rtnllocknumber=0, size=976, tmp={-55340232221128654847:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] CALL ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] RET ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(size)=976, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232221128654847:0}, rtnllocknumber=0, size=976, tmp={-55340232221128654847:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] CALL, EXPR ldv_is_err((void const *)res) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-55340232221128654847:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7220] return ((unsigned long )ptr > 4294967295UL); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-55340232221128654847:0}, ptr={-55340232221128654847:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] RET, EXPR ldv_is_err((void const *)res) VAL [\old(size)=976, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_is_err((void const *)res)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232221128654847:0}, rtnllocknumber=0, size=976, tmp={-55340232221128654847:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] tmp___0 = ldv_is_err((void const *)res) [L8470] CALL ldv_assume(tmp___0 == 0L) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, 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)=976, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232221128654847:0}, rtnllocknumber=0, size=976, tmp={-55340232221128654847:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8472] return (res); VAL [\old(size)=976, \result={-55340232221128654847:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232221128654847:0}, rtnllocknumber=0, size=976, tmp={-55340232221128654847:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5824] RET, EXPR ldv_xmalloc(976UL) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, arg0={-73786976294838206463:0}, arg0={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551615:0}, ldv_0_ret_default=1, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, 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(976UL)={-55340232221128654847:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551615:0}, 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={18446744073709551686:18446744073709551642}, arg0={-73786976294838206463:0}, arg0={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551615:0}, ldv_0_resource_inode={-55340232221128654847:0}, 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, 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={-18446744073709551615:0}, tmp___0={-55340232221128654847:0}, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=101, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=101, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5826] RET, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, arg0={-73786976294838206463:0}, arg0={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551615:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=1, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_undef_int()=101, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551615:0}, tmp___0={-55340232221128654847:0}, 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={18446744073709551686:18446744073709551642}, arg0={-73786976294838206463:0}, arg0={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551615:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=1, ldv_0_size_cnt_struct_device_ptr={0:101}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_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={-18446744073709551615:0}, tmp___0={-55340232221128654847:0}, tmp___1=101, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5833] CALL, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=102, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=102, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5833] RET, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, arg0={-73786976294838206463:0}, arg0={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551615:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=1, ldv_0_size_cnt_struct_device_ptr={0:101}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_undef_int()=102, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551615:0}, tmp___0={-55340232221128654847:0}, tmp___1=101, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5833] tmp___3 = ldv_undef_int() [L5835] COND TRUE tmp___3 != 0 [L5837] EXPR ldv_0_container_file_operations->open [L5837-L5839] CALL, EXPR ldv_file_operations_instance_probe_0_12(ldv_0_container_file_operations->open, ldv_0_resource_inode, ldv_0_resource_file) [L6030] int tmp ; [L6033] CALL, EXPR tower_open(arg1, arg2) [L4559] struct lego_usb_tower *dev ; [L4560] int subminor ; [L4561] int retval ; [L4562] struct usb_interface *interface ; [L4563] struct tower_reset_reply reset_reply ; [L4564] int result ; [L4565] unsigned int tmp ; [L4566] void *tmp___0 ; [L4567] int tmp___1 ; [L4568] unsigned int tmp___2 ; [L4569] int tmp___3 ; [L4570] unsigned int tmp___4 ; [L4573] dev = (struct lego_usb_tower *)0 [L4574] retval = 0 [L4575] CALL ldv_nonseekable_open_97(inode, file) [L6312] return (0); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-55340232221128654847:0}, ldv_func_arg1={-55340232221128654847:0}, ldv_func_arg2={-18446744073709551615:0}, ldv_func_arg2={-18446744073709551615:0}, 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, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8394] void *res ; [L8395] void *tmp ; [L8396] long tmp___0 ; [L8397] int tmp___1 ; VAL [\old(size)=1468, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=103, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=103, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_undef_int()=103, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744069414584321:0}, rtnllocknumber=0, size=1468, tmp={-18446744069414584321:0}, tmp___1=103, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8406] RET ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(size)=1468, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744069414584321:0}, rtnllocknumber=0, size=1468, tmp={-18446744069414584321:0}, tmp___1=103, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-18446744069414584321:0}, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-18446744069414584321:0}, ptr={-18446744069414584321:0}, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_is_err((void const *)res)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, 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={-18446744069414584321:0}, rtnllocknumber=0, size=1468, tmp={-18446744069414584321:0}, tmp___1=103, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744069414584321:0}, rtnllocknumber=0, size=1468, tmp={-18446744069414584321:0}, tmp___0=0, tmp___1=103, 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={-18446744069414584321:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744069414584321:0}, rtnllocknumber=0, size=1468, tmp={-18446744069414584321:0}, tmp___0=0, tmp___1=103, 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)=-2, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, arg0={90:0}, arg0={90:0}, arg1=-2, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_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))={-18446744069414584321:0}, 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] [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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L10619] COND FALSE !(! expr) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8947] RET ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock(! LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, lock={87:0}, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={87:0}, ldv_func_arg1={87:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4589] RET ldv_mutex_lock_98(& open_disc_mutex) [L4590] CALL, EXPR usb_get_intfdata(interface) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, 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] [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={-18446744073709551615:-25}, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, intf={-18446744069414584321:0}, intf={-18446744069414584321:0}, 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={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, dev={0:0}, file={-18446744073709551615:0}, file={-18446744073709551615:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=-2, tmp=4294967294, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, usb_get_intfdata(interface)={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, dev={-18446744073709551615:-25}, file={-18446744073709551615:0}, file={-18446744073709551615:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=-2, tmp=4294967294, tmp___0={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551615:-25}, ldv_func_arg1={-18446744073709551615:-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, ldv_thread_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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551615:-25}, lock={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_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={18446744073709551686:18446744073709551642}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, 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] [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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551615:-25}, lock={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, 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=105, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=105, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_undef_int()=105, lock={-18446744073709551615:-25}, lock={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551615:-25}, lock={-18446744073709551615:-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=105, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551615:-25}, ldv_func_arg1={-18446744073709551615:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1)=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6338] tmp = ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1) [L6340] return (tmp); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551615:-25}, ldv_func_arg1={-18446744073709551615:-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, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [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={18446744073709551686:18446744073709551642}, dev={-18446744073709551615:-25}, dev->open_count=0, file={-18446744073709551615:0}, file={-18446744073709551615:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=-2, tmp=4294967294, tmp___0={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_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={18446744073709551686:18446744073709551642}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, lock={87:0}, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L9023] LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex = 0 VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={87:0}, ldv_func_arg1={87:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, 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] [L4622] RET ldv_mutex_unlock_103(& open_disc_mutex) [L4623] EXPR dev->udev VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, dev={-18446744073709551615:-25}, dev->udev={121:18446744073709551495}, file={-18446744073709551615:0}, file={-18446744073709551615:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-18446744069414584321:0}, 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={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=-2, tmp=4294967294, tmp___0={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, dev={121:18446744073709551495}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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] [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)=18446744073709551683, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, dev={-18446744073709551615:-25}, dev->udev={121:18446744073709551495}, file={-18446744073709551615:0}, file={-18446744073709551615:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-18446744069414584321:0}, 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, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=-2, tmp=4294967294, tmp___0={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, dev={-18446744073709551615:-25}, dev->udev={121:18446744073709551495}, file={-18446744073709551615:0}, file={-18446744073709551615:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=-2, tmp=4294967294, tmp___0={-18446744073709551615:-25}, tmp___1=0, tmp___2=67, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4624-L4625] CALL, EXPR usb_control_msg(dev->udev, tmp___2 | 2147483776U, 4, 192, 0, 0, (void *)(& reset_reply), 4, 1000) VAL [\old(arg2)=4, \old(arg3)=192, \old(arg4)=0, \old(arg5)=0, \old(arg7)=4, \old(arg8)=1000, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, arg0={121:18446744073709551495}, arg6={18446744073709551625:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_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] [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={18446744073709551686:18446744073709551642}, dev={-18446744073709551615:-25}, dev->udev={121:18446744073709551495}, file={-18446744073709551615:0}, file={-18446744073709551615:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-18446744069414584321:0}, 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={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=-2, tmp=4294967294, tmp___0={-18446744073709551615:-25}, tmp___1=0, tmp___2=67, 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={18446744073709551686:18446744073709551642}, dev={-18446744073709551615:-25}, dev->interrupt_in_endpoint={18446744073709551637:107}, file={-18446744073709551615:0}, file={-18446744073709551615:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-18446744069414584321:0}, 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={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=-2, tmp=4294967294, tmp___0={-18446744073709551615:-25}, tmp___1=0, tmp___2=67, 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={18446744073709551686:18446744073709551642}, epd={18446744073709551637:107}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, 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] [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={18446744073709551686:18446744073709551642}, dev={-18446744073709551615:-25}, dev->interrupt_in_endpoint={18446744073709551637:107}, file={-18446744073709551615:0}, file={-18446744073709551615:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-18446744069414584321:0}, 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, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=-2, tmp=4294967294, tmp___0={-18446744073709551615:-25}, tmp___1=0, tmp___2=67, 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)=91, 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=106, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, dev={-18446744073709551615:-25}, dev->interrupt_in_endpoint={18446744073709551637:107}, dev->udev={121:18446744073709551495}, file={-18446744073709551615:0}, file={-18446744073709551615:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=-2, tmp=4294967294, tmp___0={-18446744073709551615:-25}, tmp___1=0, tmp___2=67, tmp___3=91, 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)=106, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, dev={121:18446744073709551495}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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=106, __create_pipe(dev->udev, (unsigned int )(dev->interrupt_in_endpoint)->bEndpointAddress)=18446744073709551640, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, dev={-18446744073709551615:-25}, dev->interrupt_in_endpoint={18446744073709551637:107}, dev->udev={121:18446744073709551495}, file={-18446744073709551615:0}, file={-18446744073709551615:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-18446744069414584321:0}, 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, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=-2, tmp=4294967294, tmp___0={-18446744073709551615:-25}, tmp___1=0, tmp___2=67, tmp___3=91, 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={18446744073709551686:18446744073709551642}, dev={-18446744073709551615:-25}, dev->interrupt_in_buffer={18446744073709551641:18446744073709551684}, dev->interrupt_in_interval=18446744073709551656, dev->interrupt_in_urb={-93:94}, dev->udev={121:18446744073709551495}, file={-18446744073709551615:0}, file={-18446744073709551615:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-18446744069414584321:0}, 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={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=-2, tmp=4294967294, tmp___0={-18446744073709551615:-25}, tmp___1=0, tmp___2=67, tmp___3=91, tmp___4=24, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4640-L4641] CALL usb_fill_int_urb(dev->interrupt_in_urb, dev->udev, tmp___4 | 1073741952U, (void *)dev->interrupt_in_buffer, tmp___3, & tower_interrupt_in_callback, (void *)dev, dev->interrupt_in_interval) VAL [\old(buffer_length)=91, \old(interval)=18446744073709551656, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, complete_fn={-1:9}, context={-18446744073709551615:-25}, dev={121:18446744073709551495}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_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, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, transfer_buffer={18446744073709551641:18446744073709551684}, urb={-93:94}, write_buffer_size=480] [L4408] int _min1 ; [L4409] int _max1 ; [L4410] int _max2 ; [L4411] int _min2 ; [L4413] urb->dev = dev [L4414] urb->pipe = pipe [L4415] urb->transfer_buffer = transfer_buffer [L4416] urb->transfer_buffer_length = (u32 )buffer_length [L4417] urb->complete = complete_fn [L4418] urb->context = context [L4419] EXPR dev->speed [L4419] (unsigned int )dev->speed == 3U || (unsigned int )dev->speed == 5U [L4419] EXPR dev->speed [L4419] (unsigned int )dev->speed == 3U || (unsigned int )dev->speed == 5U VAL [(unsigned int )dev->speed == 3U || (unsigned int )dev->speed == 5U=0, \old(buffer_length)=91, \old(interval)=18446744073709551656, \old(pipe)=75, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, buffer_length=91, complete_fn={-1:9}, complete_fn={-1:9}, context={-18446744073709551615:-25}, context={-18446744073709551615:-25}, dev={121:18446744073709551495}, dev={121:18446744073709551495}, dev->speed=110, dev->speed=110, interrupt_in_interval=2, interrupt_out_interval=8, interval=18446744073709551656, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, 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, pipe=75, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, transfer_buffer={18446744073709551641:18446744073709551684}, transfer_buffer={18446744073709551641:18446744073709551684}, urb={-93:94}, urb={-93:94}, write_buffer_size=480] [L4419] COND FALSE !((unsigned int )dev->speed == 3U || (unsigned int )dev->speed == 5U) [L4427] urb->interval = interval VAL [\old(buffer_length)=91, \old(interval)=18446744073709551656, \old(pipe)=75, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, buffer_length=91, complete_fn={-1:9}, complete_fn={-1:9}, context={-18446744073709551615:-25}, context={-18446744073709551615:-25}, dev={121:18446744073709551495}, dev={121:18446744073709551495}, interrupt_in_interval=2, interrupt_out_interval=8, interval=18446744073709551656, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, pipe=75, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, transfer_buffer={18446744073709551641:18446744073709551684}, transfer_buffer={18446744073709551641:18446744073709551684}, urb={-93:94}, urb={-93:94}, write_buffer_size=480] [L4429] urb->start_frame = -1 VAL [\old(buffer_length)=91, \old(interval)=18446744073709551656, \old(pipe)=75, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, buffer_length=91, complete_fn={-1:9}, complete_fn={-1:9}, context={-18446744073709551615:-25}, context={-18446744073709551615:-25}, dev={121:18446744073709551495}, dev={121:18446744073709551495}, interrupt_in_interval=2, interrupt_out_interval=8, interval=18446744073709551656, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, 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, pipe=75, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, transfer_buffer={18446744073709551641:18446744073709551684}, transfer_buffer={18446744073709551641:18446744073709551684}, urb={-93:94}, urb={-93:94}, 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={18446744073709551686:18446744073709551642}, dev={-18446744073709551615:-25}, dev->interrupt_in_buffer={18446744073709551641:18446744073709551684}, dev->interrupt_in_interval=18446744073709551656, dev->interrupt_in_urb={-93:94}, dev->udev={121:18446744073709551495}, file={-18446744073709551615:0}, file={-18446744073709551615:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-18446744069414584321:0}, 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={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=-2, tmp=4294967294, tmp___0={-18446744073709551615:-25}, tmp___1=0, tmp___2=67, tmp___3=91, tmp___4=24, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4642] dev->interrupt_in_running = 1 [L4643] dev->interrupt_in_done = 0 [L4645] EXPR dev->interrupt_in_urb [L4645] CALL, EXPR ldv_usb_submit_urb_104(dev->interrupt_in_urb, 208U) [L6374] CALL ldv_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_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={18446744073709551686:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7739] return (__ldv_in_interrupt_context); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_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={18446744073709551686:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_in_interrupt_context()=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, 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] 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={18446744073709551686:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_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={18446744073709551686:18446744073709551642}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, 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] [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={18446744073709551686:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4066] CALL ldv_linux_alloc_usb_lock_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6807] COND FALSE !(ldv_linux_alloc_usb_lock_lock == 2) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, 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] [L4066] RET ldv_linux_alloc_usb_lock_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6374] RET ldv_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-93:94}, ldv_func_arg1={-93:94}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=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] [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={18446744073709551686:18446744073709551642}, dev={-18446744073709551615:-25}, file={-18446744073709551615:0}, file={-18446744073709551615:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-18446744069414584321:0}, 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={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=-2, tmp=4294967294, tmp___0={-18446744073709551615:-25}, tmp___1=0, tmp___2=67, tmp___3=91, tmp___4=24, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4660] CALL ldv_mutex_unlock_105(& dev->lock) [L6383] CALL ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower(ldv_func_arg1) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L10643] COND FALSE !(! expr) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, 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] [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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551615:-25}, lock={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551615:-25}, lock={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551615:-25}, ldv_func_arg1={-18446744073709551615:-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={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4660] RET ldv_mutex_unlock_105(& dev->lock) [L4663] return (retval); [L4663] return (retval); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, dev={-18446744073709551615:-25}, file={-18446744073709551615:0}, file={-18446744073709551615:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-18446744069414584321:0}, 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, result=0, retval=0, rtnllocknumber=0, subminor=-2, tmp=4294967294, tmp___0={-18446744073709551615:-25}, tmp___1=0, tmp___2=67, tmp___3=91, tmp___4=24, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6033] RET, EXPR tower_open(arg1, arg2) [L6033] tmp = tower_open(arg1, arg2) [L6035] return (tmp); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, arg0={18446744073709551670:18446744073709551651}, arg0={18446744073709551670:18446744073709551651}, arg1={-55340232221128654847:0}, arg1={-55340232221128654847:0}, arg2={-18446744073709551615:0}, arg2={-18446744073709551615:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_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, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, ret_val=0, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7714] CALL, EXPR ldv_filter_positive_int(ret_val) VAL [\old(val)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7684] CALL ldv_assume(val <= 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7684] RET ldv_assume(val <= 0) VAL [\old(val)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, val=0, write_buffer_size=480] [L7686] return (val); VAL [\old(val)=0, \result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_filter_positive_int(ret_val)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, 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, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=114, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=114, 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={18446744073709551686:18446744073709551642}, arg0={-73786976294838206463:0}, arg0={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={-93:1}, ldv_0_resource_file={-18446744073709551615:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:101}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_undef_int()=114, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551615:0}, tmp___0={-55340232221128654847:0}, tmp___1=101, tmp___3=102, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5841] tmp___2 = ldv_undef_int() [L5843] COND TRUE tmp___2 != 0 VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, arg0={-73786976294838206463:0}, arg0={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={-93:1}, ldv_0_resource_file={-18446744073709551615:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:101}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551615:0}, tmp___0={-55340232221128654847:0}, tmp___1=101, tmp___2=114, tmp___3=102, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5845] CALL ldv_assume(ldv_0_ret_default == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5845] RET ldv_assume(ldv_0_ret_default == 0) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, arg0={-73786976294838206463:0}, arg0={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={-93:1}, ldv_0_resource_file={-18446744073709551615:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:101}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551615:0}, tmp___0={-55340232221128654847:0}, tmp___1=101, tmp___2=114, tmp___3=102, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5864] CALL, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=2, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=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={18446744073709551686:18446744073709551642}, arg0={-73786976294838206463:0}, arg0={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={-93:1}, ldv_0_resource_file={-18446744073709551615:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:101}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, 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={-18446744073709551615:0}, tmp___0={-55340232221128654847:0}, tmp___1=101, tmp___2=114, tmp___3=102, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5864] tmp___4 = ldv_undef_int() [L5867] COND FALSE !(tmp___4 == 1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, arg0={-73786976294838206463:0}, arg0={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={-93:1}, ldv_0_resource_file={-18446744073709551615:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:101}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551615:0}, tmp___0={-55340232221128654847:0}, tmp___1=101, tmp___2=114, tmp___3=102, tmp___4=2, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5871] COND TRUE tmp___4 == 2 VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, arg0={-73786976294838206463:0}, arg0={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={-93:1}, ldv_0_resource_file={-18446744073709551615:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:101}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, 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={-18446744073709551615:0}, tmp___0={-55340232221128654847:0}, tmp___1=101, tmp___2=114, tmp___3=102, tmp___4=2, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5897] EXPR ldv_0_container_file_operations->release [L5897-L5898] CALL ldv_file_operations_instance_release_0_2(ldv_0_container_file_operations->release, ldv_0_resource_inode, ldv_0_resource_file) [L6043] CALL tower_release(arg1, arg2) [L4668] struct lego_usb_tower *dev ; [L4669] int retval ; [L4670] int tmp ; [L4671] struct _ddebug descriptor ; [L4672] long tmp___0 ; [L4673] long __ret ; [L4674] wait_queue_t __wait ; [L4675] long __ret___0 ; [L4676] long __int ; [L4677] long tmp___1 ; [L4678] bool __cond ; [L4679] bool __cond___0 ; [L4681] retval = 0 [L4682] EXPR file->private_data [L4682] dev = (struct lego_usb_tower *)file->private_data [L4683] COND FALSE !((unsigned long )dev == (unsigned long )((struct lego_usb_tower *)0)) [L4689] CALL ldv_mutex_lock_106(& open_disc_mutex) [L6392] CALL ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex(ldv_func_arg1) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [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={18446744073709551686:18446744073709551642}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, lock={87:0}, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={87:0}, ldv_func_arg1={87:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551615:-25}, ldv_func_arg1={-18446744073709551615:-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={0:0}, ldv_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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551615:-25}, lock={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L10619] COND FALSE !(! expr) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, 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] [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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551615:-25}, lock={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, \result=118, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=118, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_undef_int()=118, lock={-18446744073709551615:-25}, lock={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551615:-25}, lock={-18446744073709551615:-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=118, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551615:-25}, ldv_func_arg1={-18446744073709551615:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1)=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, 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] [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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551615:-25}, ldv_func_arg1={-18446744073709551615:-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, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [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={18446744073709551686:18446744073709551642}, __wait={18446744073709551619:0}, descriptor={18446744073709551626:0}, dev={-18446744073709551615:-25}, dev->open_count=1, file={-18446744073709551615:0}, file={-18446744073709551615:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, 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={18446744073709551686:18446744073709551642}, __wait={18446744073709551619:0}, descriptor={18446744073709551626:0}, dev={-18446744073709551615:-25}, dev->udev={121:18446744073709551495}, file={-18446744073709551615:0}, file={-18446744073709551615:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, 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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, 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={18446744073709551686:18446744073709551642}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8850] RET ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock((int )LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551615:-25}, lock={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551615:-25}, lock={-18446744073709551615:-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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551615:-25}, ldv_func_arg1={-18446744073709551615:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, 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] [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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4546] CALL tower_abort_transfers(dev) VAL [\old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, dev={-18446744073709551615:-25}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_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] [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={18446744073709551686:18446744073709551642}, dev={-18446744073709551615:-25}, dev={-18446744073709551615:-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, 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] [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={18446744073709551686:18446744073709551642}, dev={-18446744073709551615:-25}, dev={-18446744073709551615:-25}, dev->interrupt_out_busy=18446744073709551649, dev->interrupt_out_busy != 0 && (unsigned long )dev->udev != (unsigned long )((struct usb_device *)0)=0, dev->udev={121:18446744073709551495}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_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] [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={18446744073709551686:18446744073709551642}, dev={-18446744073709551615:-25}, dev={-18446744073709551615:-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, 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] [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={18446744073709551686:18446744073709551642}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_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={18446744073709551686:18446744073709551642}, expr=0, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, 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] [L11089] reach_error() VAL [\old(expr)=0, \old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551686:18446744073709551642}, expr=0, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] - UnprovableResult [Line: 10742]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11027]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10755]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10460]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10497]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10559]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10621]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10964]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11101]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11064]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10903]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10817]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10126]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10162]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11138]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10435]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10645]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10211]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11040]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10286]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10077]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10804]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10323]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10989]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10348]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10866]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10249]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11002]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10510]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 77 procedures, 989 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 304.0s, OverallIterations: 64, TraceHistogramMax: 26, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.2s, AutomataDifference: 214.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114134 SdHoareTripleChecker+Valid, 179.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106790 mSDsluCounter, 488637 SdHoareTripleChecker+Invalid, 164.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1407 IncrementalHoareTripleChecker+Unchecked, 403410 mSDsCounter, 70143 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 152405 IncrementalHoareTripleChecker+Invalid, 223955 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70143 mSolverCounterUnsat, 85227 mSDtfsCounter, 152405 mSolverCounterSat, 1.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15188 GetRequests, 13948 SyntacticMatches, 15 SemanticMatches, 1225 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6983 ImplicationChecksByTransitivity, 9.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7750occurred in iteration=62, InterpolantAutomatonStates: 809, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 19.8s AutomataMinimizationTime, 63 MinimizatonAttempts, 29980 StatesRemovedByMinimization, 40 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.3s SsaConstructionTime, 29.2s SatisfiabilityAnalysisTime, 24.9s InterpolantComputationTime, 23348 NumberOfCodeBlocks, 22970 NumberOfCodeBlocksAsserted, 84 NumberOfCheckSat, 24759 ConstructedInterpolants, 26 QuantifiedInterpolants, 39226 SizeOfPredicates, 244 NumberOfNonLiveVariables, 50636 ConjunctsInSsa, 724 ConjunctsInUnsatCore, 87 InterpolantComputations, 60 PerfectInterpolantSequences, 53747/54815 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-12-06 17:29:30,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/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_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:29:32,361 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:29:32,363 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:29:32,384 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:29:32,384 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:29:32,385 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:29:32,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:29:32,388 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:29:32,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:29:32,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:29:32,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:29:32,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:29:32,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:29:32,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:29:32,395 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:29:32,396 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:29:32,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:29:32,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:29:32,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:29:32,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:29:32,402 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:29:32,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:29:32,404 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:29:32,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:29:32,408 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:29:32,408 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:29:32,408 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:29:32,409 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:29:32,409 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:29:32,410 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:29:32,410 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:29:32,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:29:32,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:29:32,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:29:32,413 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:29:32,413 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:29:32,413 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:29:32,414 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:29:32,414 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:29:32,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:29:32,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:29:32,415 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2021-12-06 17:29:32,439 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:29:32,440 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:29:32,440 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:29:32,440 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:29:32,441 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 17:29:32,441 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 17:29:32,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:29:32,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:29:32,442 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:29:32,442 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:29:32,443 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:29:32,443 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 17:29:32,443 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 17:29:32,443 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 17:29:32,443 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-12-06 17:29:32,444 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-12-06 17:29:32,444 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-12-06 17:29:32,444 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:29:32,444 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:29:32,444 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 17:29:32,445 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:29:32,445 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:29:32,445 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 17:29:32,445 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:29:32,445 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:29:32,446 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 17:29:32,446 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 17:29:32,446 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-12-06 17:29:32,446 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-12-06 17:29:32,446 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 17:29:32,447 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 17:29:32,447 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 17:29:32,447 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:29:32,447 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-12-06 17:29:32,447 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_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed [2021-12-06 17:29:32,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:29:32,686 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:29:32,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:29:32,689 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:29:32,689 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:29:32,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-12-06 17:29:32,738 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/data/7622f0c36/cad89851681e4994b06d5931ed35c528/FLAGc36c8a3b6 [2021-12-06 17:29:33,264 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:29:33,264 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-12-06 17:29:33,296 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/data/7622f0c36/cad89851681e4994b06d5931ed35c528/FLAGc36c8a3b6 [2021-12-06 17:29:33,459 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/data/7622f0c36/cad89851681e4994b06d5931ed35c528 [2021-12-06 17:29:33,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:29:33,462 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:29:33,463 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:29:33,463 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:29:33,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:29:33,466 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:29:33" (1/1) ... [2021-12-06 17:29:33,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d699bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:33, skipping insertion in model container [2021-12-06 17:29:33,467 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:29:33" (1/1) ... [2021-12-06 17:29:33,472 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:29:33,561 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:29:35,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2021-12-06 17:29:35,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2021-12-06 17:29:35,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2021-12-06 17:29:35,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2021-12-06 17:29:35,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2021-12-06 17:29:35,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2021-12-06 17:29:35,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2021-12-06 17:29:35,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2021-12-06 17:29:35,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2021-12-06 17:29:35,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2021-12-06 17:29:35,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2021-12-06 17:29:35,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2021-12-06 17:29:35,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2021-12-06 17:29:35,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2021-12-06 17:29:35,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2021-12-06 17:29:35,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2021-12-06 17:29:35,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2021-12-06 17:29:35,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2021-12-06 17:29:35,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2021-12-06 17:29:35,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2021-12-06 17:29:35,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2021-12-06 17:29:35,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2021-12-06 17:29:35,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2021-12-06 17:29:35,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2021-12-06 17:29:35,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2021-12-06 17:29:35,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2021-12-06 17:29:35,472 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2021-12-06 17:29:35,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2021-12-06 17:29:35,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2021-12-06 17:29:35,473 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2021-12-06 17:29:35,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2021-12-06 17:29:35,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2021-12-06 17:29:35,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2021-12-06 17:29:35,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2021-12-06 17:29:35,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2021-12-06 17:29:35,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2021-12-06 17:29:35,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2021-12-06 17:29:35,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2021-12-06 17:29:35,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2021-12-06 17:29:35,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2021-12-06 17:29:35,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2021-12-06 17:29:35,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2021-12-06 17:29:35,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2021-12-06 17:29:35,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2021-12-06 17:29:35,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2021-12-06 17:29:35,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2021-12-06 17:29:35,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2021-12-06 17:29:35,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2021-12-06 17:29:35,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2021-12-06 17:29:35,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2021-12-06 17:29:35,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2021-12-06 17:29:35,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2021-12-06 17:29:35,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2021-12-06 17:29:35,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2021-12-06 17:29:35,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2021-12-06 17:29:35,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2021-12-06 17:29:35,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2021-12-06 17:29:35,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2021-12-06 17:29:35,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2021-12-06 17:29:35,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2021-12-06 17:29:35,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2021-12-06 17:29:35,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2021-12-06 17:29:35,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2021-12-06 17:29:35,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2021-12-06 17:29:35,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2021-12-06 17:29:35,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2021-12-06 17:29:35,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2021-12-06 17:29:35,488 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2021-12-06 17:29:35,488 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2021-12-06 17:29:35,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2021-12-06 17:29:35,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2021-12-06 17:29:35,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2021-12-06 17:29:35,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2021-12-06 17:29:35,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2021-12-06 17:29:35,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2021-12-06 17:29:35,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2021-12-06 17:29:35,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2021-12-06 17:29:35,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2021-12-06 17:29:35,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2021-12-06 17:29:35,492 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2021-12-06 17:29:35,492 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2021-12-06 17:29:35,492 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2021-12-06 17:29:35,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2021-12-06 17:29:35,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2021-12-06 17:29:35,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2021-12-06 17:29:35,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2021-12-06 17:29:35,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2021-12-06 17:29:35,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2021-12-06 17:29:35,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:29:35,526 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2021-12-06 17:29:35,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:29:35,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2021-12-06 17:29:35,709 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2021-12-06 17:29:35,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2021-12-06 17:29:35,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2021-12-06 17:29:35,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2021-12-06 17:29:35,710 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2021-12-06 17:29:35,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2021-12-06 17:29:35,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2021-12-06 17:29:35,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2021-12-06 17:29:35,711 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2021-12-06 17:29:35,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2021-12-06 17:29:35,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2021-12-06 17:29:35,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2021-12-06 17:29:35,712 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2021-12-06 17:29:35,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2021-12-06 17:29:35,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2021-12-06 17:29:35,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2021-12-06 17:29:35,713 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2021-12-06 17:29:35,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2021-12-06 17:29:35,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2021-12-06 17:29:35,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2021-12-06 17:29:35,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2021-12-06 17:29:35,714 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2021-12-06 17:29:35,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2021-12-06 17:29:35,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2021-12-06 17:29:35,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2021-12-06 17:29:35,715 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2021-12-06 17:29:35,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2021-12-06 17:29:35,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2021-12-06 17:29:35,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2021-12-06 17:29:35,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2021-12-06 17:29:35,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2021-12-06 17:29:35,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2021-12-06 17:29:35,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2021-12-06 17:29:35,717 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2021-12-06 17:29:35,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2021-12-06 17:29:35,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2021-12-06 17:29:35,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2021-12-06 17:29:35,718 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2021-12-06 17:29:35,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2021-12-06 17:29:35,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2021-12-06 17:29:35,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2021-12-06 17:29:35,719 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2021-12-06 17:29:35,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2021-12-06 17:29:35,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2021-12-06 17:29:35,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2021-12-06 17:29:35,720 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2021-12-06 17:29:35,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2021-12-06 17:29:35,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2021-12-06 17:29:35,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2021-12-06 17:29:35,721 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2021-12-06 17:29:35,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2021-12-06 17:29:35,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2021-12-06 17:29:35,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2021-12-06 17:29:35,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2021-12-06 17:29:35,722 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2021-12-06 17:29:35,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2021-12-06 17:29:35,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2021-12-06 17:29:35,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2021-12-06 17:29:35,723 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2021-12-06 17:29:35,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2021-12-06 17:29:35,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2021-12-06 17:29:35,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2021-12-06 17:29:35,724 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2021-12-06 17:29:35,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2021-12-06 17:29:35,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2021-12-06 17:29:35,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2021-12-06 17:29:35,725 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2021-12-06 17:29:35,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2021-12-06 17:29:35,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2021-12-06 17:29:35,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2021-12-06 17:29:35,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2021-12-06 17:29:35,726 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2021-12-06 17:29:35,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2021-12-06 17:29:35,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2021-12-06 17:29:35,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2021-12-06 17:29:35,727 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2021-12-06 17:29:35,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2021-12-06 17:29:35,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2021-12-06 17:29:35,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2021-12-06 17:29:35,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2021-12-06 17:29:35,728 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2021-12-06 17:29:35,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2021-12-06 17:29:35,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2021-12-06 17:29:35,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2021-12-06 17:29:35,729 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2021-12-06 17:29:35,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2021-12-06 17:29:35,730 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2021-12-06 17:29:35,732 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:29:35,740 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:29:35,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2021-12-06 17:29:35,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2021-12-06 17:29:35,960 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2021-12-06 17:29:35,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2021-12-06 17:29:35,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2021-12-06 17:29:35,961 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2021-12-06 17:29:35,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2021-12-06 17:29:35,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2021-12-06 17:29:35,962 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2021-12-06 17:29:35,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2021-12-06 17:29:35,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2021-12-06 17:29:35,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2021-12-06 17:29:35,963 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2021-12-06 17:29:35,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2021-12-06 17:29:35,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2021-12-06 17:29:35,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2021-12-06 17:29:35,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2021-12-06 17:29:35,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2021-12-06 17:29:35,965 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2021-12-06 17:29:35,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2021-12-06 17:29:35,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2021-12-06 17:29:35,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2021-12-06 17:29:35,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2021-12-06 17:29:35,966 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2021-12-06 17:29:35,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2021-12-06 17:29:35,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2021-12-06 17:29:35,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2021-12-06 17:29:35,967 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2021-12-06 17:29:35,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2021-12-06 17:29:35,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2021-12-06 17:29:35,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2021-12-06 17:29:35,968 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2021-12-06 17:29:35,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2021-12-06 17:29:35,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2021-12-06 17:29:35,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2021-12-06 17:29:35,969 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2021-12-06 17:29:35,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2021-12-06 17:29:35,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2021-12-06 17:29:35,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2021-12-06 17:29:35,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2021-12-06 17:29:35,970 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2021-12-06 17:29:35,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2021-12-06 17:29:35,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2021-12-06 17:29:35,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2021-12-06 17:29:35,971 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2021-12-06 17:29:35,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2021-12-06 17:29:35,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2021-12-06 17:29:35,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2021-12-06 17:29:35,972 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2021-12-06 17:29:35,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2021-12-06 17:29:35,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2021-12-06 17:29:35,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2021-12-06 17:29:35,973 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2021-12-06 17:29:35,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2021-12-06 17:29:35,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2021-12-06 17:29:35,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2021-12-06 17:29:35,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2021-12-06 17:29:35,974 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2021-12-06 17:29:35,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2021-12-06 17:29:35,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2021-12-06 17:29:35,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2021-12-06 17:29:35,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2021-12-06 17:29:35,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2021-12-06 17:29:35,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2021-12-06 17:29:35,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2021-12-06 17:29:35,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2021-12-06 17:29:35,976 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2021-12-06 17:29:35,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2021-12-06 17:29:35,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2021-12-06 17:29:35,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2021-12-06 17:29:35,977 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2021-12-06 17:29:35,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2021-12-06 17:29:35,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2021-12-06 17:29:35,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2021-12-06 17:29:35,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2021-12-06 17:29:35,978 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2021-12-06 17:29:35,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2021-12-06 17:29:35,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2021-12-06 17:29:35,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2021-12-06 17:29:35,979 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2021-12-06 17:29:35,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2021-12-06 17:29:35,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2021-12-06 17:29:35,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2021-12-06 17:29:35,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2021-12-06 17:29:35,980 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2021-12-06 17:29:35,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2021-12-06 17:29:35,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2021-12-06 17:29:35,981 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2021-12-06 17:29:35,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:29:36,084 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:29:36,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:36 WrapperNode [2021-12-06 17:29:36,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:29:36,085 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:29:36,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:29:36,086 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:29:36,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:36" (1/1) ... [2021-12-06 17:29:36,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:36" (1/1) ... [2021-12-06 17:29:36,223 INFO L137 Inliner]: procedures = 540, calls = 1327, calls flagged for inlining = 223, calls inlined = 134, statements flattened = 2299 [2021-12-06 17:29:36,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:29:36,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:29:36,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:29:36,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:29:36,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:36" (1/1) ... [2021-12-06 17:29:36,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:36" (1/1) ... [2021-12-06 17:29:36,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:36" (1/1) ... [2021-12-06 17:29:36,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:36" (1/1) ... [2021-12-06 17:29:36,285 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:36" (1/1) ... [2021-12-06 17:29:36,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:36" (1/1) ... [2021-12-06 17:29:36,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:36" (1/1) ... [2021-12-06 17:29:36,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:29:36,319 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:29:36,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:29:36,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:29:36,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:36" (1/1) ... [2021-12-06 17:29:36,325 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 17:29:36,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:29:36,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 17:29:36,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 17:29:36,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-12-06 17:29:36,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-12-06 17:29:36,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 17:29:36,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 17:29:36,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-06 17:29:36,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-12-06 17:29:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-12-06 17:29:36,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-12-06 17:29:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 17:29:36,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-12-06 17:29:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-12-06 17:29:36,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-12-06 17:29:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-12-06 17:29:36,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-12-06 17:29:36,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_read_buffer_lock_of_lego_usb_tower [2021-12-06 17:29:36,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_read_buffer_lock_of_lego_usb_tower [2021-12-06 17:29:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-06 17:29:36,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-06 17:29:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 17:29:36,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 17:29:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-12-06 17:29:36,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-12-06 17:29:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 17:29:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-12-06 17:29:36,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2021-12-06 17:29:36,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2021-12-06 17:29:36,382 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 17:29:36,382 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 17:29:36,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-12-06 17:29:36,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-12-06 17:29:36,382 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-12-06 17:29:36,382 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-12-06 17:29:36,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-12-06 17:29:36,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-12-06 17:29:36,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-06 17:29:36,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-06 17:29:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_112 [2021-12-06 17:29:36,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_112 [2021-12-06 17:29:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-06 17:29:36,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-12-06 17:29:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-12-06 17:29:36,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-12-06 17:29:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-12-06 17:29:36,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-12-06 17:29:36,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-12-06 17:29:36,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-12-06 17:29:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-12-06 17:29:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-12-06 17:29:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-06 17:29:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-06 17:29:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-12-06 17:29:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-12-06 17:29:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-12-06 17:29:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-12-06 17:29:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex [2021-12-06 17:29:36,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex [2021-12-06 17:29:36,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower [2021-12-06 17:29:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower [2021-12-06 17:29:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-06 17:29:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-12-06 17:29:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 17:29:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 17:29:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-06 17:29:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-06 17:29:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 17:29:36,385 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-12-06 17:29:36,385 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-12-06 17:29:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-12-06 17:29:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-12-06 17:29:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-06 17:29:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2021-12-06 17:29:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-12-06 17:29:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-12-06 17:29:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-12-06 17:29:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-12-06 17:29:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex [2021-12-06 17:29:36,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex [2021-12-06 17:29:36,386 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-12-06 17:29:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-12-06 17:29:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-12-06 17:29:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-12-06 17:29:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:29:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:29:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2021-12-06 17:29:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2021-12-06 17:29:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2021-12-06 17:29:36,387 INFO L130 BoogieDeclarations]: Found specification of procedure tower_disconnect [2021-12-06 17:29:36,387 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_disconnect [2021-12-06 17:29:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2021-12-06 17:29:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-12-06 17:29:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2021-12-06 17:29:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 17:29:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 17:29:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 17:29:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-12-06 17:29:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2021-12-06 17:29:36,388 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2021-12-06 17:29:36,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-12-06 17:29:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-12-06 17:29:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-06 17:29:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2021-12-06 17:29:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2021-12-06 17:29:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2021-12-06 17:29:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-12-06 17:29:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-12-06 17:29:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_lego_usb_tower [2021-12-06 17:29:36,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_lego_usb_tower [2021-12-06 17:29:36,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 17:29:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 17:29:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 17:29:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-06 17:29:36,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-12-06 17:29:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 17:29:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2021-12-06 17:29:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2021-12-06 17:29:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-12-06 17:29:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 17:29:36,390 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-12-06 17:29:36,391 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-12-06 17:29:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-06 17:29:36,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-12-06 17:29:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2021-12-06 17:29:36,391 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2021-12-06 17:29:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-06 17:29:36,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-06 17:29:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower [2021-12-06 17:29:36,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower [2021-12-06 17:29:36,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-06 17:29:36,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2021-12-06 17:29:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-06 17:29:36,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2021-12-06 17:29:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-06 17:29:36,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-12-06 17:29:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-06 17:29:36,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-12-06 17:29:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-12-06 17:29:36,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-12-06 17:29:36,392 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-12-06 17:29:36,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-12-06 17:29:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2021-12-06 17:29:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2021-12-06 17:29:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-06 17:29:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-12-06 17:29:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2021-12-06 17:29:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2021-12-06 17:29:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_read_buffer_lock_of_lego_usb_tower [2021-12-06 17:29:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_read_buffer_lock_of_lego_usb_tower [2021-12-06 17:29:36,393 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 17:29:36,393 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 17:29:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-06 17:29:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-12-06 17:29:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure tower_delete [2021-12-06 17:29:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_delete [2021-12-06 17:29:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-06 17:29:36,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-12-06 17:29:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2021-12-06 17:29:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2021-12-06 17:29:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2021-12-06 17:29:36,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 17:29:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 17:29:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-06 17:29:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-12-06 17:29:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-12-06 17:29:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-12-06 17:29:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-06 17:29:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-06 17:29:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-06 17:29:36,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-12-06 17:29:36,395 INFO L130 BoogieDeclarations]: Found specification of procedure tower_check_for_read_packet [2021-12-06 17:29:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_check_for_read_packet [2021-12-06 17:29:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure tower_abort_transfers [2021-12-06 17:29:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_abort_transfers [2021-12-06 17:29:36,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_111 [2021-12-06 17:29:36,396 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_111 [2021-12-06 17:29:36,756 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:29:36,758 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:29:36,880 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 17:29:49,761 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:29:49,773 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:29:49,773 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 17:29:49,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:29:49 BoogieIcfgContainer [2021-12-06 17:29:49,776 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:29:49,778 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 17:29:49,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 17:29:49,780 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 17:29:49,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:29:33" (1/3) ... [2021-12-06 17:29:49,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c0c3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:29:49, skipping insertion in model container [2021-12-06 17:29:49,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:29:36" (2/3) ... [2021-12-06 17:29:49,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c0c3c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:29:49, skipping insertion in model container [2021-12-06 17:29:49,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:29:49" (3/3) ... [2021-12-06 17:29:49,782 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2021-12-06 17:29:49,786 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 17:29:49,786 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2021-12-06 17:29:49,828 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 17:29:49,833 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 17:29:49,833 INFO L340 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2021-12-06 17:29:49,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 988 states, 642 states have (on average 1.2819314641744548) internal successors, (823), 687 states have internal predecessors, (823), 240 states have call successors, (240), 76 states have call predecessors, (240), 75 states have return successors, (235), 232 states have call predecessors, (235), 235 states have call successors, (235) [2021-12-06 17:29:49,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-12-06 17:29:49,873 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:29:49,874 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:29:49,874 INFO L402 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)] === [2021-12-06 17:29:49,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:29:49,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1708187562, now seen corresponding path program 1 times [2021-12-06 17:29:49,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:29:49,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [857809931] [2021-12-06 17:29:49,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:29:49,892 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:29:49,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:29:49,892 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:29:49,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-12-06 17:29:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:29:50,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:29:50,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:29:51,024 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:29:51,024 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:29:51,025 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:29:51,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [857809931] [2021-12-06 17:29:51,025 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [857809931] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:29:51,025 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:29:51,025 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:29:51,027 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251459830] [2021-12-06 17:29:51,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:29:51,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:29:51,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:29:51,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:29:51,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:29:51,054 INFO L87 Difference]: Start difference. First operand has 988 states, 642 states have (on average 1.2819314641744548) internal successors, (823), 687 states have internal predecessors, (823), 240 states have call successors, (240), 76 states have call predecessors, (240), 75 states have return successors, (235), 232 states have call predecessors, (235), 235 states have call successors, (235) Second operand has 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) [2021-12-06 17:29:51,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:29:51,207 INFO L93 Difference]: Finished difference Result 1927 states and 2626 transitions. [2021-12-06 17:29:51,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:29:51,209 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 71 [2021-12-06 17:29:51,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:29:51,226 INFO L225 Difference]: With dead ends: 1927 [2021-12-06 17:29:51,226 INFO L226 Difference]: Without dead ends: 970 [2021-12-06 17:29:51,234 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:29:51,236 INFO L933 BasicCegarLoop]: 1261 mSDtfsCounter, 1209 mSDsluCounter, 1259 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1211 SdHoareTripleChecker+Valid, 2520 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:29:51,236 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1211 Valid, 2520 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:29:51,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 970 states. [2021-12-06 17:29:51,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 970 to 970. [2021-12-06 17:29:51,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 970 states, 632 states have (on average 1.2294303797468353) internal successors, (777), 672 states have internal predecessors, (777), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:29:51,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1245 transitions. [2021-12-06 17:29:51,329 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1245 transitions. Word has length 71 [2021-12-06 17:29:51,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:29:51,331 INFO L470 AbstractCegarLoop]: Abstraction has 970 states and 1245 transitions. [2021-12-06 17:29:51,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2021-12-06 17:29:51,331 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1245 transitions. [2021-12-06 17:29:51,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-12-06 17:29:51,334 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:29:51,335 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:29:51,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-12-06 17:29:51,535 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:29:51,536 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_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)] === [2021-12-06 17:29:51,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:29:51,539 INFO L85 PathProgramCache]: Analyzing trace with hash 765966598, now seen corresponding path program 1 times [2021-12-06 17:29:51,543 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:29:51,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1922003333] [2021-12-06 17:29:51,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:29:51,544 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:29:51,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:29:51,546 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:29:51,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-12-06 17:29:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:29:52,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:29:52,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:29:52,714 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:29:52,714 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:29:52,715 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:29:52,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1922003333] [2021-12-06 17:29:52,715 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1922003333] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:29:52,715 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:29:52,715 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:29:52,715 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430083935] [2021-12-06 17:29:52,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:29:52,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:29:52,716 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:29:52,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:29:52,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:29:52,717 INFO L87 Difference]: Start difference. First operand 970 states and 1245 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-06 17:29:52,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:29:52,797 INFO L93 Difference]: Finished difference Result 970 states and 1245 transitions. [2021-12-06 17:29:52,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:29:52,798 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 77 [2021-12-06 17:29:52,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:29:52,804 INFO L225 Difference]: With dead ends: 970 [2021-12-06 17:29:52,804 INFO L226 Difference]: Without dead ends: 968 [2021-12-06 17:29:52,805 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:29:52,805 INFO L933 BasicCegarLoop]: 1241 mSDtfsCounter, 1183 mSDsluCounter, 1239 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 2480 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:29:52,806 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1185 Valid, 2480 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:29:52,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2021-12-06 17:29:52,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 968. [2021-12-06 17:29:52,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 631 states have (on average 1.2282091917591125) internal successors, (775), 670 states have internal predecessors, (775), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:29:52,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1243 transitions. [2021-12-06 17:29:52,853 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1243 transitions. Word has length 77 [2021-12-06 17:29:52,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:29:52,854 INFO L470 AbstractCegarLoop]: Abstraction has 968 states and 1243 transitions. [2021-12-06 17:29:52,854 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2021-12-06 17:29:52,854 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1243 transitions. [2021-12-06 17:29:52,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2021-12-06 17:29:52,857 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:29:52,857 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:29:52,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-12-06 17:29:53,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:29:53,059 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_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)] === [2021-12-06 17:29:53,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:29:53,061 INFO L85 PathProgramCache]: Analyzing trace with hash -228443523, now seen corresponding path program 1 times [2021-12-06 17:29:53,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:29:53,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1665577303] [2021-12-06 17:29:53,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:29:53,065 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:29:53,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:29:53,067 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:29:53,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-12-06 17:29:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:29:53,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:29:53,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:29:54,367 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:29:54,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:29:54,367 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:29:54,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1665577303] [2021-12-06 17:29:54,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1665577303] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:29:54,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:29:54,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:29:54,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095962305] [2021-12-06 17:29:54,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:29:54,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:29:54,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:29:54,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:29:54,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:29:54,369 INFO L87 Difference]: Start difference. First operand 968 states and 1243 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-12-06 17:29:54,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:29:54,457 INFO L93 Difference]: Finished difference Result 968 states and 1243 transitions. [2021-12-06 17:29:54,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:29:54,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 83 [2021-12-06 17:29:54,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:29:54,463 INFO L225 Difference]: With dead ends: 968 [2021-12-06 17:29:54,463 INFO L226 Difference]: Without dead ends: 966 [2021-12-06 17:29:54,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:29:54,464 INFO L933 BasicCegarLoop]: 1239 mSDtfsCounter, 1175 mSDsluCounter, 1237 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1177 SdHoareTripleChecker+Valid, 2476 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:29:54,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1177 Valid, 2476 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:29:54,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2021-12-06 17:29:54,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 966. [2021-12-06 17:29:54,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 966 states, 630 states have (on average 1.226984126984127) internal successors, (773), 668 states have internal predecessors, (773), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:29:54,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1241 transitions. [2021-12-06 17:29:54,511 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1241 transitions. Word has length 83 [2021-12-06 17:29:54,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:29:54,511 INFO L470 AbstractCegarLoop]: Abstraction has 966 states and 1241 transitions. [2021-12-06 17:29:54,512 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2021-12-06 17:29:54,512 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1241 transitions. [2021-12-06 17:29:54,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-12-06 17:29:54,513 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:29:54,513 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:29:54,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-12-06 17:29:54,714 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:29:54,714 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_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)] === [2021-12-06 17:29:54,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:29:54,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1220180807, now seen corresponding path program 1 times [2021-12-06 17:29:54,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:29:54,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [614209383] [2021-12-06 17:29:54,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:29:54,716 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:29:54,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:29:54,716 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:29:54,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2021-12-06 17:29:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:29:55,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:29:55,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:29:55,824 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:29:55,824 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:29:55,824 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:29:55,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [614209383] [2021-12-06 17:29:55,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [614209383] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:29:55,825 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:29:55,825 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:29:55,825 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228507340] [2021-12-06 17:29:55,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:29:55,825 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:29:55,825 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:29:55,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:29:55,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:29:55,826 INFO L87 Difference]: Start difference. First operand 966 states and 1241 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-06 17:29:55,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:29:55,904 INFO L93 Difference]: Finished difference Result 966 states and 1241 transitions. [2021-12-06 17:29:55,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:29:55,905 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 89 [2021-12-06 17:29:55,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:29:55,911 INFO L225 Difference]: With dead ends: 966 [2021-12-06 17:29:55,911 INFO L226 Difference]: Without dead ends: 964 [2021-12-06 17:29:55,912 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:29:55,912 INFO L933 BasicCegarLoop]: 1237 mSDtfsCounter, 1167 mSDsluCounter, 1235 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1169 SdHoareTripleChecker+Valid, 2472 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:29:55,913 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1169 Valid, 2472 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:29:55,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2021-12-06 17:29:55,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2021-12-06 17:29:55,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 629 states have (on average 1.2257551669316376) internal successors, (771), 666 states have internal predecessors, (771), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:29:55,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1239 transitions. [2021-12-06 17:29:55,965 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1239 transitions. Word has length 89 [2021-12-06 17:29:55,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:29:55,965 INFO L470 AbstractCegarLoop]: Abstraction has 964 states and 1239 transitions. [2021-12-06 17:29:55,965 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2021-12-06 17:29:55,966 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1239 transitions. [2021-12-06 17:29:55,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-12-06 17:29:55,967 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:29:55,968 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:29:55,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2021-12-06 17:29:56,168 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:29:56,169 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_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)] === [2021-12-06 17:29:56,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:29:56,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1859648030, now seen corresponding path program 1 times [2021-12-06 17:29:56,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:29:56,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [19611894] [2021-12-06 17:29:56,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:29:56,171 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:29:56,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:29:56,172 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:29:56,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2021-12-06 17:29:56,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:29:56,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:29:56,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:29:57,344 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:29:57,345 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:29:57,345 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:29:57,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [19611894] [2021-12-06 17:29:57,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [19611894] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:29:57,345 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:29:57,345 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:29:57,345 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143600544] [2021-12-06 17:29:57,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:29:57,346 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:29:57,346 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:29:57,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:29:57,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:29:57,347 INFO L87 Difference]: Start difference. First operand 964 states and 1239 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-12-06 17:29:57,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:29:57,419 INFO L93 Difference]: Finished difference Result 964 states and 1239 transitions. [2021-12-06 17:29:57,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:29:57,420 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 95 [2021-12-06 17:29:57,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:29:57,425 INFO L225 Difference]: With dead ends: 964 [2021-12-06 17:29:57,425 INFO L226 Difference]: Without dead ends: 962 [2021-12-06 17:29:57,426 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:29:57,426 INFO L933 BasicCegarLoop]: 1235 mSDtfsCounter, 1159 mSDsluCounter, 1233 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1161 SdHoareTripleChecker+Valid, 2468 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:29:57,426 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1161 Valid, 2468 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:29:57,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2021-12-06 17:29:57,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 962. [2021-12-06 17:29:57,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 628 states have (on average 1.2245222929936306) internal successors, (769), 664 states have internal predecessors, (769), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:29:57,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1237 transitions. [2021-12-06 17:29:57,480 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1237 transitions. Word has length 95 [2021-12-06 17:29:57,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:29:57,480 INFO L470 AbstractCegarLoop]: Abstraction has 962 states and 1237 transitions. [2021-12-06 17:29:57,480 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2021-12-06 17:29:57,480 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1237 transitions. [2021-12-06 17:29:57,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-12-06 17:29:57,481 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:29:57,482 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:29:57,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2021-12-06 17:29:57,682 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:29:57,682 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_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)] === [2021-12-06 17:29:57,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:29:57,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1724798981, now seen corresponding path program 1 times [2021-12-06 17:29:57,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:29:57,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1474506953] [2021-12-06 17:29:57,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:29:57,684 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:29:57,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:29:57,684 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:29:57,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2021-12-06 17:29:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:29:58,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:29:58,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:29:58,833 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:29:58,833 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:29:58,833 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:29:58,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1474506953] [2021-12-06 17:29:58,834 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1474506953] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:29:58,834 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:29:58,834 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:29:58,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699286846] [2021-12-06 17:29:58,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:29:58,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:29:58,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:29:58,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:29:58,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:29:58,835 INFO L87 Difference]: Start difference. First operand 962 states and 1237 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 17:29:58,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:29:58,903 INFO L93 Difference]: Finished difference Result 962 states and 1237 transitions. [2021-12-06 17:29:58,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:29:58,904 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 101 [2021-12-06 17:29:58,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:29:58,909 INFO L225 Difference]: With dead ends: 962 [2021-12-06 17:29:58,909 INFO L226 Difference]: Without dead ends: 960 [2021-12-06 17:29:58,909 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:29:58,910 INFO L933 BasicCegarLoop]: 1233 mSDtfsCounter, 1151 mSDsluCounter, 1231 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1153 SdHoareTripleChecker+Valid, 2464 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:29:58,910 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1153 Valid, 2464 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:29:58,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2021-12-06 17:29:58,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 960. [2021-12-06 17:29:58,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 627 states have (on average 1.223285486443381) internal successors, (767), 662 states have internal predecessors, (767), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:29:58,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1235 transitions. [2021-12-06 17:29:58,958 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1235 transitions. Word has length 101 [2021-12-06 17:29:58,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:29:58,958 INFO L470 AbstractCegarLoop]: Abstraction has 960 states and 1235 transitions. [2021-12-06 17:29:58,958 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2021-12-06 17:29:58,958 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1235 transitions. [2021-12-06 17:29:58,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-12-06 17:29:58,959 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:29:58,960 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:29:58,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2021-12-06 17:29:59,160 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:29:59,161 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_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)] === [2021-12-06 17:29:59,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:29:59,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1162027298, now seen corresponding path program 1 times [2021-12-06 17:29:59,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:29:59,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1570890970] [2021-12-06 17:29:59,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:29:59,166 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:29:59,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:29:59,169 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:29:59,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2021-12-06 17:29:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:29:59,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:29:59,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:00,517 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:30:00,517 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:00,518 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:00,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1570890970] [2021-12-06 17:30:00,518 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1570890970] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:00,518 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:00,518 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:30:00,518 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779064809] [2021-12-06 17:30:00,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:00,519 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:30:00,519 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:00,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:30:00,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:30:00,520 INFO L87 Difference]: Start difference. First operand 960 states and 1235 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2021-12-06 17:30:00,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:00,598 INFO L93 Difference]: Finished difference Result 960 states and 1235 transitions. [2021-12-06 17:30:00,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:30:00,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 107 [2021-12-06 17:30:00,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:00,606 INFO L225 Difference]: With dead ends: 960 [2021-12-06 17:30:00,606 INFO L226 Difference]: Without dead ends: 958 [2021-12-06 17:30:00,606 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:30:00,607 INFO L933 BasicCegarLoop]: 1231 mSDtfsCounter, 1143 mSDsluCounter, 1229 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1145 SdHoareTripleChecker+Valid, 2460 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:00,607 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1145 Valid, 2460 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:30:00,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2021-12-06 17:30:00,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 958. [2021-12-06 17:30:00,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 626 states have (on average 1.2220447284345048) internal successors, (765), 660 states have internal predecessors, (765), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:30:00,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1233 transitions. [2021-12-06 17:30:00,670 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1233 transitions. Word has length 107 [2021-12-06 17:30:00,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:00,670 INFO L470 AbstractCegarLoop]: Abstraction has 958 states and 1233 transitions. [2021-12-06 17:30:00,670 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2021-12-06 17:30:00,670 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1233 transitions. [2021-12-06 17:30:00,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2021-12-06 17:30:00,672 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:00,672 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:30:00,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2021-12-06 17:30:00,872 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:00,873 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_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)] === [2021-12-06 17:30:00,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:00,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1347570193, now seen corresponding path program 1 times [2021-12-06 17:30:00,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:00,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [876236717] [2021-12-06 17:30:00,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:00,878 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:00,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:00,880 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:00,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2021-12-06 17:30:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:01,372 INFO L263 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:30:01,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:02,190 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:30:02,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:02,190 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:02,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [876236717] [2021-12-06 17:30:02,190 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [876236717] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:02,190 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:02,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:30:02,191 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117500065] [2021-12-06 17:30:02,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:02,191 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:30:02,191 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:02,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:30:02,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:30:02,192 INFO L87 Difference]: Start difference. First operand 958 states and 1233 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-06 17:30:02,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:02,274 INFO L93 Difference]: Finished difference Result 958 states and 1233 transitions. [2021-12-06 17:30:02,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:30:02,275 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 113 [2021-12-06 17:30:02,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:02,279 INFO L225 Difference]: With dead ends: 958 [2021-12-06 17:30:02,280 INFO L226 Difference]: Without dead ends: 956 [2021-12-06 17:30:02,280 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:30:02,280 INFO L933 BasicCegarLoop]: 1229 mSDtfsCounter, 1139 mSDsluCounter, 1223 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1141 SdHoareTripleChecker+Valid, 2452 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:02,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1141 Valid, 2452 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:30:02,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2021-12-06 17:30:02,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 956. [2021-12-06 17:30:02,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 625 states have (on average 1.2208) internal successors, (763), 658 states have internal predecessors, (763), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:30:02,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1231 transitions. [2021-12-06 17:30:02,330 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1231 transitions. Word has length 113 [2021-12-06 17:30:02,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:02,331 INFO L470 AbstractCegarLoop]: Abstraction has 956 states and 1231 transitions. [2021-12-06 17:30:02,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-06 17:30:02,331 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1231 transitions. [2021-12-06 17:30:02,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-12-06 17:30:02,332 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:02,332 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:30:02,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2021-12-06 17:30:02,533 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:02,534 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:30:02,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:02,535 INFO L85 PathProgramCache]: Analyzing trace with hash 2065299474, now seen corresponding path program 1 times [2021-12-06 17:30:02,537 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:02,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797599398] [2021-12-06 17:30:02,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:02,539 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:02,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:02,541 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:02,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2021-12-06 17:30:03,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:03,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:30:03,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:03,889 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:30:03,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:03,890 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:03,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1797599398] [2021-12-06 17:30:03,890 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1797599398] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:03,890 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:03,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:30:03,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781513153] [2021-12-06 17:30:03,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:03,891 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:30:03,891 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:03,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:30:03,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:30:03,892 INFO L87 Difference]: Start difference. First operand 956 states and 1231 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-06 17:30:03,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:03,982 INFO L93 Difference]: Finished difference Result 956 states and 1231 transitions. [2021-12-06 17:30:03,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:30:03,982 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 115 [2021-12-06 17:30:03,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:03,987 INFO L225 Difference]: With dead ends: 956 [2021-12-06 17:30:03,987 INFO L226 Difference]: Without dead ends: 954 [2021-12-06 17:30:03,987 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:30:03,988 INFO L933 BasicCegarLoop]: 1227 mSDtfsCounter, 1131 mSDsluCounter, 1225 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1133 SdHoareTripleChecker+Valid, 2452 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:03,988 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1133 Valid, 2452 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:30:03,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2021-12-06 17:30:04,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 954. [2021-12-06 17:30:04,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 624 states have (on average 1.2195512820512822) internal successors, (761), 656 states have internal predecessors, (761), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2021-12-06 17:30:04,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1229 transitions. [2021-12-06 17:30:04,035 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1229 transitions. Word has length 115 [2021-12-06 17:30:04,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:04,035 INFO L470 AbstractCegarLoop]: Abstraction has 954 states and 1229 transitions. [2021-12-06 17:30:04,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-06 17:30:04,035 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1229 transitions. [2021-12-06 17:30:04,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-06 17:30:04,037 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:04,037 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:30:04,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2021-12-06 17:30:04,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:04,238 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:30:04,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:04,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1392434072, now seen corresponding path program 1 times [2021-12-06 17:30:04,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:04,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [590096809] [2021-12-06 17:30:04,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:04,239 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:04,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:04,240 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:04,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2021-12-06 17:30:04,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:04,851 INFO L263 TraceCheckSpWp]: Trace formula consists of 1170 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 17:30:04,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:05,515 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2021-12-06 17:30:05,516 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:05,516 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:05,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [590096809] [2021-12-06 17:30:05,516 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [590096809] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:05,516 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:05,516 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:30:05,516 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893046612] [2021-12-06 17:30:05,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:05,517 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:30:05,517 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:05,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:30:05,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:30:05,518 INFO L87 Difference]: Start difference. First operand 954 states and 1229 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-06 17:30:06,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:06,677 INFO L93 Difference]: Finished difference Result 2263 states and 3013 transitions. [2021-12-06 17:30:06,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:30:06,677 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 164 [2021-12-06 17:30:06,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:06,684 INFO L225 Difference]: With dead ends: 2263 [2021-12-06 17:30:06,684 INFO L226 Difference]: Without dead ends: 1324 [2021-12-06 17:30:06,687 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:30:06,687 INFO L933 BasicCegarLoop]: 1338 mSDtfsCounter, 596 mSDsluCounter, 5044 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 6382 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:06,688 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [596 Valid, 6382 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2021-12-06 17:30:06,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2021-12-06 17:30:06,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 958. [2021-12-06 17:30:06,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 627 states have (on average 1.2185007974481659) internal successors, (764), 659 states have internal predecessors, (764), 236 states have call successors, (236), 75 states have call predecessors, (236), 74 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-06 17:30:06,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1234 transitions. [2021-12-06 17:30:06,789 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1234 transitions. Word has length 164 [2021-12-06 17:30:06,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:06,789 INFO L470 AbstractCegarLoop]: Abstraction has 958 states and 1234 transitions. [2021-12-06 17:30:06,789 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2021-12-06 17:30:06,789 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1234 transitions. [2021-12-06 17:30:06,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-12-06 17:30:06,791 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:06,792 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:30:06,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2021-12-06 17:30:06,992 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:06,992 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_module_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)] === [2021-12-06 17:30:06,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:06,993 INFO L85 PathProgramCache]: Analyzing trace with hash -2098036985, now seen corresponding path program 1 times [2021-12-06 17:30:06,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:06,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1346138123] [2021-12-06 17:30:06,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:06,994 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:06,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:06,994 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:06,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2021-12-06 17:30:07,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:07,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:30:07,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:08,310 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:30:08,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:08,311 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:08,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1346138123] [2021-12-06 17:30:08,311 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1346138123] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:08,311 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:08,311 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:30:08,311 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664305917] [2021-12-06 17:30:08,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:08,312 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:30:08,312 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:08,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:30:08,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:30:08,312 INFO L87 Difference]: Start difference. First operand 958 states and 1234 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-06 17:30:08,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:08,404 INFO L93 Difference]: Finished difference Result 958 states and 1234 transitions. [2021-12-06 17:30:08,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:30:08,405 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 121 [2021-12-06 17:30:08,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:08,409 INFO L225 Difference]: With dead ends: 958 [2021-12-06 17:30:08,409 INFO L226 Difference]: Without dead ends: 956 [2021-12-06 17:30:08,410 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:30:08,410 INFO L933 BasicCegarLoop]: 1225 mSDtfsCounter, 1123 mSDsluCounter, 1223 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 2448 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:08,410 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1125 Valid, 2448 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:30:08,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2021-12-06 17:30:08,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 956. [2021-12-06 17:30:08,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 626 states have (on average 1.2172523961661341) internal successors, (762), 657 states have internal predecessors, (762), 236 states have call successors, (236), 75 states have call predecessors, (236), 74 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-06 17:30:08,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1232 transitions. [2021-12-06 17:30:08,461 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1232 transitions. Word has length 121 [2021-12-06 17:30:08,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:08,461 INFO L470 AbstractCegarLoop]: Abstraction has 956 states and 1232 transitions. [2021-12-06 17:30:08,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-06 17:30:08,462 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1232 transitions. [2021-12-06 17:30:08,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-12-06 17:30:08,463 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:08,463 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:30:08,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2021-12-06 17:30:08,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:08,664 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:30:08,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:08,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1006571670, now seen corresponding path program 1 times [2021-12-06 17:30:08,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:08,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595883686] [2021-12-06 17:30:08,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:08,665 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:08,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:08,666 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:08,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2021-12-06 17:30:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:09,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 1169 conjuncts, 29 conjunts are in the unsatisfiable core [2021-12-06 17:30:09,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:10,897 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2021-12-06 17:30:10,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:10,898 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:10,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [595883686] [2021-12-06 17:30:10,898 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [595883686] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:10,898 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:10,898 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-12-06 17:30:10,899 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846285684] [2021-12-06 17:30:10,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:10,899 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2021-12-06 17:30:10,899 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:10,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-12-06 17:30:10,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2021-12-06 17:30:10,900 INFO L87 Difference]: Start difference. First operand 956 states and 1232 transitions. Second operand has 12 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 4 states have call successors, (21), 2 states have call predecessors, (21), 5 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18) [2021-12-06 17:30:12,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:12,982 INFO L93 Difference]: Finished difference Result 2251 states and 2995 transitions. [2021-12-06 17:30:12,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 17:30:12,983 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 4 states have call successors, (21), 2 states have call predecessors, (21), 5 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18) Word has length 164 [2021-12-06 17:30:12,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:12,990 INFO L225 Difference]: With dead ends: 2251 [2021-12-06 17:30:12,990 INFO L226 Difference]: Without dead ends: 1320 [2021-12-06 17:30:12,992 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2021-12-06 17:30:12,993 INFO L933 BasicCegarLoop]: 1758 mSDtfsCounter, 424 mSDsluCounter, 13416 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 605 SdHoareTripleChecker+Valid, 15174 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:12,993 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [605 Valid, 15174 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-12-06 17:30:12,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-12-06 17:30:13,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 956. [2021-12-06 17:30:13,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 626 states have (on average 1.2156549520766773) internal successors, (761), 656 states have internal predecessors, (761), 236 states have call successors, (236), 75 states have call predecessors, (236), 74 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-06 17:30:13,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1231 transitions. [2021-12-06 17:30:13,056 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1231 transitions. Word has length 164 [2021-12-06 17:30:13,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:13,056 INFO L470 AbstractCegarLoop]: Abstraction has 956 states and 1231 transitions. [2021-12-06 17:30:13,056 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 4 states have call successors, (21), 2 states have call predecessors, (21), 5 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18) [2021-12-06 17:30:13,056 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1231 transitions. [2021-12-06 17:30:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2021-12-06 17:30:13,057 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:13,058 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:30:13,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2021-12-06 17:30:13,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:13,259 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:30:13,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:13,260 INFO L85 PathProgramCache]: Analyzing trace with hash -929138739, now seen corresponding path program 1 times [2021-12-06 17:30:13,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:13,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [992152333] [2021-12-06 17:30:13,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:13,264 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:13,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:13,266 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:13,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2021-12-06 17:30:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:14,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 1181 conjuncts, 18 conjunts are in the unsatisfiable core [2021-12-06 17:30:14,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:14,860 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 228 proven. 3 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2021-12-06 17:30:14,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 17:30:15,747 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 18 proven. 39 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2021-12-06 17:30:15,747 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:15,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [992152333] [2021-12-06 17:30:15,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [992152333] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 17:30:15,747 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-12-06 17:30:15,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-12-06 17:30:15,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645795899] [2021-12-06 17:30:15,748 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-12-06 17:30:15,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:30:15,748 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:15,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:30:15,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:30:15,749 INFO L87 Difference]: Start difference. First operand 956 states and 1231 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 8 states have internal predecessors, (73), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-06 17:30:17,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:17,148 INFO L93 Difference]: Finished difference Result 2246 states and 2986 transitions. [2021-12-06 17:30:17,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 17:30:17,149 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 8 states have internal predecessors, (73), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) Word has length 168 [2021-12-06 17:30:17,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:17,156 INFO L225 Difference]: With dead ends: 2246 [2021-12-06 17:30:17,156 INFO L226 Difference]: Without dead ends: 1320 [2021-12-06 17:30:17,158 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 336 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2021-12-06 17:30:17,158 INFO L933 BasicCegarLoop]: 1762 mSDtfsCounter, 418 mSDsluCounter, 9933 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 595 SdHoareTripleChecker+Valid, 11695 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:17,159 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [595 Valid, 11695 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-12-06 17:30:17,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-12-06 17:30:17,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 956. [2021-12-06 17:30:17,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 626 states have (on average 1.2140575079872205) internal successors, (760), 655 states have internal predecessors, (760), 236 states have call successors, (236), 75 states have call predecessors, (236), 74 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-06 17:30:17,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1230 transitions. [2021-12-06 17:30:17,231 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1230 transitions. Word has length 168 [2021-12-06 17:30:17,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:17,232 INFO L470 AbstractCegarLoop]: Abstraction has 956 states and 1230 transitions. [2021-12-06 17:30:17,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 8 states have internal predecessors, (73), 3 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (28), 4 states have call predecessors, (28), 3 states have call successors, (28) [2021-12-06 17:30:17,232 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1230 transitions. [2021-12-06 17:30:17,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-12-06 17:30:17,233 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:17,233 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:30:17,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2021-12-06 17:30:17,433 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:17,434 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_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)] === [2021-12-06 17:30:17,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:17,435 INFO L85 PathProgramCache]: Analyzing trace with hash 2044473025, now seen corresponding path program 1 times [2021-12-06 17:30:17,438 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:17,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69278900] [2021-12-06 17:30:17,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:17,439 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:17,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:17,441 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:17,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2021-12-06 17:30:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:17,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:30:17,958 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:18,859 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:30:18,859 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:18,859 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:18,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69278900] [2021-12-06 17:30:18,859 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69278900] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:18,859 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:18,859 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:30:18,859 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831378470] [2021-12-06 17:30:18,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:18,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:30:18,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:18,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:30:18,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:30:18,861 INFO L87 Difference]: Start difference. First operand 956 states and 1230 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2021-12-06 17:30:18,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:18,965 INFO L93 Difference]: Finished difference Result 956 states and 1230 transitions. [2021-12-06 17:30:18,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:30:18,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 127 [2021-12-06 17:30:18,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:18,970 INFO L225 Difference]: With dead ends: 956 [2021-12-06 17:30:18,970 INFO L226 Difference]: Without dead ends: 954 [2021-12-06 17:30:18,971 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:30:18,971 INFO L933 BasicCegarLoop]: 1221 mSDtfsCounter, 1113 mSDsluCounter, 1219 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1115 SdHoareTripleChecker+Valid, 2440 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:18,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1115 Valid, 2440 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:30:18,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2021-12-06 17:30:19,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 954. [2021-12-06 17:30:19,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 625 states have (on average 1.2128) internal successors, (758), 653 states have internal predecessors, (758), 236 states have call successors, (236), 75 states have call predecessors, (236), 74 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-06 17:30:19,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1228 transitions. [2021-12-06 17:30:19,032 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1228 transitions. Word has length 127 [2021-12-06 17:30:19,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:19,033 INFO L470 AbstractCegarLoop]: Abstraction has 954 states and 1228 transitions. [2021-12-06 17:30:19,033 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2021-12-06 17:30:19,033 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1228 transitions. [2021-12-06 17:30:19,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-12-06 17:30:19,034 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:19,034 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-06 17:30:19,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2021-12-06 17:30:19,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:19,236 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:30:19,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:19,237 INFO L85 PathProgramCache]: Analyzing trace with hash 834855370, now seen corresponding path program 1 times [2021-12-06 17:30:19,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:19,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [678179316] [2021-12-06 17:30:19,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:19,241 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:19,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:19,243 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:19,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2021-12-06 17:30:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:20,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 17:30:20,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:21,387 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-12-06 17:30:21,387 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:21,387 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:21,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [678179316] [2021-12-06 17:30:21,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [678179316] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:21,388 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:21,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 17:30:21,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292508710] [2021-12-06 17:30:21,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:21,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:30:21,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:21,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:30:21,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:30:21,389 INFO L87 Difference]: Start difference. First operand 954 states and 1228 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-06 17:30:23,458 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:30:26,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:26,083 INFO L93 Difference]: Finished difference Result 1865 states and 2405 transitions. [2021-12-06 17:30:26,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:30:26,085 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 172 [2021-12-06 17:30:26,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:26,090 INFO L225 Difference]: With dead ends: 1865 [2021-12-06 17:30:26,090 INFO L226 Difference]: Without dead ends: 954 [2021-12-06 17:30:26,093 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:30:26,093 INFO L933 BasicCegarLoop]: 1219 mSDtfsCounter, 1145 mSDsluCounter, 3179 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 4398 SdHoareTripleChecker+Invalid, 480 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:26,093 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1149 Valid, 4398 Invalid, 480 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 478 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2021-12-06 17:30:26,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2021-12-06 17:30:26,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 954. [2021-12-06 17:30:26,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 625 states have (on average 1.2112) internal successors, (757), 653 states have internal predecessors, (757), 236 states have call successors, (236), 75 states have call predecessors, (236), 74 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-06 17:30:26,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1227 transitions. [2021-12-06 17:30:26,163 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1227 transitions. Word has length 172 [2021-12-06 17:30:26,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:26,164 INFO L470 AbstractCegarLoop]: Abstraction has 954 states and 1227 transitions. [2021-12-06 17:30:26,164 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-06 17:30:26,164 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1227 transitions. [2021-12-06 17:30:26,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-12-06 17:30:26,165 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:26,165 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-06 17:30:26,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2021-12-06 17:30:26,365 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:26,366 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:30:26,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:26,367 INFO L85 PathProgramCache]: Analyzing trace with hash 834914952, now seen corresponding path program 1 times [2021-12-06 17:30:26,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:26,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1055029342] [2021-12-06 17:30:26,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:26,371 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:26,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:26,374 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:26,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2021-12-06 17:30:27,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:27,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:30:27,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-12-06 17:30:27,396 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:27,396 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:27,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1055029342] [2021-12-06 17:30:27,396 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1055029342] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:27,396 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:27,397 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:30:27,397 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493325535] [2021-12-06 17:30:27,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:27,397 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:30:27,397 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:27,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:30:27,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:30:27,398 INFO L87 Difference]: Start difference. First operand 954 states and 1227 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-06 17:30:27,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:27,502 INFO L93 Difference]: Finished difference Result 954 states and 1227 transitions. [2021-12-06 17:30:27,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:30:27,503 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 172 [2021-12-06 17:30:27,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:27,507 INFO L225 Difference]: With dead ends: 954 [2021-12-06 17:30:27,507 INFO L226 Difference]: Without dead ends: 952 [2021-12-06 17:30:27,508 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:30:27,508 INFO L933 BasicCegarLoop]: 1218 mSDtfsCounter, 7 mSDsluCounter, 2430 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3648 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:27,508 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7 Valid, 3648 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:30:27,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2021-12-06 17:30:27,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 952. [2021-12-06 17:30:27,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 624 states have (on average 1.2099358974358974) internal successors, (755), 651 states have internal predecessors, (755), 236 states have call successors, (236), 75 states have call predecessors, (236), 74 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-06 17:30:27,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1225 transitions. [2021-12-06 17:30:27,571 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1225 transitions. Word has length 172 [2021-12-06 17:30:27,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:27,571 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1225 transitions. [2021-12-06 17:30:27,572 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2021-12-06 17:30:27,572 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1225 transitions. [2021-12-06 17:30:27,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-12-06 17:30:27,573 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:27,573 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:30:27,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (17)] Ended with exit code 0 [2021-12-06 17:30:27,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:27,774 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_sched_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)] === [2021-12-06 17:30:27,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:27,775 INFO L85 PathProgramCache]: Analyzing trace with hash 3596305, now seen corresponding path program 1 times [2021-12-06 17:30:27,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:27,778 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [140442858] [2021-12-06 17:30:27,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:27,779 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:27,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:27,781 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:27,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2021-12-06 17:30:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:28,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:30:28,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:29,367 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:30:29,367 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:29,368 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:29,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [140442858] [2021-12-06 17:30:29,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [140442858] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:29,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:29,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:30:29,368 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670717922] [2021-12-06 17:30:29,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:29,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:30:29,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:29,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:30:29,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:30:29,369 INFO L87 Difference]: Start difference. First operand 952 states and 1225 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-12-06 17:30:29,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:29,473 INFO L93 Difference]: Finished difference Result 952 states and 1225 transitions. [2021-12-06 17:30:29,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:30:29,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133 [2021-12-06 17:30:29,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:29,478 INFO L225 Difference]: With dead ends: 952 [2021-12-06 17:30:29,478 INFO L226 Difference]: Without dead ends: 950 [2021-12-06 17:30:29,478 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:30:29,479 INFO L933 BasicCegarLoop]: 1216 mSDtfsCounter, 1102 mSDsluCounter, 1214 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 2430 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:29,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1104 Valid, 2430 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:30:29,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2021-12-06 17:30:29,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 950. [2021-12-06 17:30:29,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 623 states have (on average 1.2086677367576244) internal successors, (753), 649 states have internal predecessors, (753), 236 states have call successors, (236), 75 states have call predecessors, (236), 74 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) [2021-12-06 17:30:29,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1223 transitions. [2021-12-06 17:30:29,544 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1223 transitions. Word has length 133 [2021-12-06 17:30:29,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:29,545 INFO L470 AbstractCegarLoop]: Abstraction has 950 states and 1223 transitions. [2021-12-06 17:30:29,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2021-12-06 17:30:29,545 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1223 transitions. [2021-12-06 17:30:29,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-12-06 17:30:29,546 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:29,546 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:30:29,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2021-12-06 17:30:29,746 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:29,747 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:30:29,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:29,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1134097845, now seen corresponding path program 1 times [2021-12-06 17:30:29,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:29,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [692531398] [2021-12-06 17:30:29,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:29,748 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:29,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:29,749 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:29,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2021-12-06 17:30:30,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:30,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 27 conjunts are in the unsatisfiable core [2021-12-06 17:30:30,352 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:32,002 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-12-06 17:30:32,002 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:32,003 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:32,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [692531398] [2021-12-06 17:30:32,003 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [692531398] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:32,003 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:32,003 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2021-12-06 17:30:32,003 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529628274] [2021-12-06 17:30:32,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:32,004 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2021-12-06 17:30:32,004 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:32,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 17:30:32,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2021-12-06 17:30:32,004 INFO L87 Difference]: Start difference. First operand 950 states and 1223 transitions. Second operand has 18 states, 17 states have (on average 4.0) internal successors, (68), 17 states have internal predecessors, (68), 7 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2021-12-06 17:30:35,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:35,961 INFO L93 Difference]: Finished difference Result 1674 states and 2138 transitions. [2021-12-06 17:30:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 17:30:35,962 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 17 states have internal predecessors, (68), 7 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) Word has length 167 [2021-12-06 17:30:35,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:35,968 INFO L225 Difference]: With dead ends: 1674 [2021-12-06 17:30:35,968 INFO L226 Difference]: Without dead ends: 990 [2021-12-06 17:30:35,970 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=172, Invalid=698, Unknown=0, NotChecked=0, Total=870 [2021-12-06 17:30:35,971 INFO L933 BasicCegarLoop]: 1210 mSDtfsCounter, 88 mSDsluCounter, 19102 mSDsCounter, 0 mSdLazyCounter, 639 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 20312 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 639 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:35,971 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [88 Valid, 20312 Invalid, 916 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 639 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-12-06 17:30:35,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 990 states. [2021-12-06 17:30:36,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 990 to 966. [2021-12-06 17:30:36,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 966 states, 634 states have (on average 1.2050473186119874) internal successors, (764), 660 states have internal predecessors, (764), 241 states have call successors, (241), 75 states have call predecessors, (241), 74 states have return successors, (239), 236 states have call predecessors, (239), 239 states have call successors, (239) [2021-12-06 17:30:36,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1244 transitions. [2021-12-06 17:30:36,047 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1244 transitions. Word has length 167 [2021-12-06 17:30:36,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:36,047 INFO L470 AbstractCegarLoop]: Abstraction has 966 states and 1244 transitions. [2021-12-06 17:30:36,047 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 17 states have internal predecessors, (68), 7 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2021-12-06 17:30:36,047 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1244 transitions. [2021-12-06 17:30:36,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-12-06 17:30:36,049 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:36,049 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:30:36,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (19)] Ended with exit code 0 [2021-12-06 17:30:36,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:36,250 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:30:36,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:36,252 INFO L85 PathProgramCache]: Analyzing trace with hash -1266535565, now seen corresponding path program 1 times [2021-12-06 17:30:36,254 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:36,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [348521817] [2021-12-06 17:30:36,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:36,255 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:36,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:36,258 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:36,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2021-12-06 17:30:36,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:36,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 17:30:36,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:37,629 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2021-12-06 17:30:37,629 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:37,630 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:37,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [348521817] [2021-12-06 17:30:37,630 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [348521817] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:37,630 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:37,630 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:30:37,630 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896318823] [2021-12-06 17:30:37,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:37,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:30:37,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:37,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:30:37,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:30:37,632 INFO L87 Difference]: Start difference. First operand 966 states and 1244 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-06 17:30:38,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:38,581 INFO L93 Difference]: Finished difference Result 1716 states and 2202 transitions. [2021-12-06 17:30:38,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:30:38,581 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 167 [2021-12-06 17:30:38,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:38,586 INFO L225 Difference]: With dead ends: 1716 [2021-12-06 17:30:38,586 INFO L226 Difference]: Without dead ends: 988 [2021-12-06 17:30:38,587 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:30:38,588 INFO L933 BasicCegarLoop]: 1261 mSDtfsCounter, 844 mSDsluCounter, 3807 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 844 SdHoareTripleChecker+Valid, 5068 SdHoareTripleChecker+Invalid, 507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:38,588 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [844 Valid, 5068 Invalid, 507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [364 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2021-12-06 17:30:38,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2021-12-06 17:30:38,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 964. [2021-12-06 17:30:38,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 633 states have (on average 1.2037914691943128) internal successors, (762), 659 states have internal predecessors, (762), 240 states have call successors, (240), 75 states have call predecessors, (240), 74 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2021-12-06 17:30:38,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1240 transitions. [2021-12-06 17:30:38,664 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1240 transitions. Word has length 167 [2021-12-06 17:30:38,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:38,665 INFO L470 AbstractCegarLoop]: Abstraction has 964 states and 1240 transitions. [2021-12-06 17:30:38,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2021-12-06 17:30:38,665 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1240 transitions. [2021-12-06 17:30:38,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-12-06 17:30:38,666 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:38,666 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2021-12-06 17:30:38,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2021-12-06 17:30:38,866 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:38,867 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:30:38,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:38,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1448025342, now seen corresponding path program 1 times [2021-12-06 17:30:38,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:38,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1564834444] [2021-12-06 17:30:38,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:38,872 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:38,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:38,874 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:38,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2021-12-06 17:30:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:39,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 1204 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 17:30:39,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:41,162 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-12-06 17:30:41,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:41,162 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:41,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1564834444] [2021-12-06 17:30:41,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1564834444] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:41,162 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:41,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 17:30:41,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110214064] [2021-12-06 17:30:41,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:41,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 17:30:41,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:41,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:30:41,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:30:41,164 INFO L87 Difference]: Start difference. First operand 964 states and 1240 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-06 17:30:41,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:41,243 INFO L93 Difference]: Finished difference Result 1867 states and 2408 transitions. [2021-12-06 17:30:41,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:30:41,244 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 179 [2021-12-06 17:30:41,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:41,249 INFO L225 Difference]: With dead ends: 1867 [2021-12-06 17:30:41,249 INFO L226 Difference]: Without dead ends: 960 [2021-12-06 17:30:41,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:30:41,251 INFO L933 BasicCegarLoop]: 1212 mSDtfsCounter, 1122 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1122 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:41,251 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1122 Valid, 1212 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:30:41,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2021-12-06 17:30:41,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 960. [2021-12-06 17:30:41,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 630 states have (on average 1.2015873015873015) internal successors, (757), 655 states have internal predecessors, (757), 240 states have call successors, (240), 75 states have call predecessors, (240), 74 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2021-12-06 17:30:41,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1235 transitions. [2021-12-06 17:30:41,328 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1235 transitions. Word has length 179 [2021-12-06 17:30:41,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:41,329 INFO L470 AbstractCegarLoop]: Abstraction has 960 states and 1235 transitions. [2021-12-06 17:30:41,329 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2021-12-06 17:30:41,329 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1235 transitions. [2021-12-06 17:30:41,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-12-06 17:30:41,329 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:41,330 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:30:41,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (21)] Ended with exit code 0 [2021-12-06 17:30:41,530 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:41,530 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_update_lock_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)] === [2021-12-06 17:30:41,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:41,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1275077155, now seen corresponding path program 1 times [2021-12-06 17:30:41,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:41,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245501093] [2021-12-06 17:30:41,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:41,532 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:41,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:41,533 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:41,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2021-12-06 17:30:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:42,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:30:42,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:43,120 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:30:43,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:43,121 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:43,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245501093] [2021-12-06 17:30:43,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1245501093] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:43,121 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:43,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:30:43,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718297643] [2021-12-06 17:30:43,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:43,122 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:30:43,122 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:43,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:30:43,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:30:43,122 INFO L87 Difference]: Start difference. First operand 960 states and 1235 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2021-12-06 17:30:43,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:43,235 INFO L93 Difference]: Finished difference Result 960 states and 1235 transitions. [2021-12-06 17:30:43,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:30:43,236 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 139 [2021-12-06 17:30:43,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:43,240 INFO L225 Difference]: With dead ends: 960 [2021-12-06 17:30:43,240 INFO L226 Difference]: Without dead ends: 958 [2021-12-06 17:30:43,241 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:30:43,241 INFO L933 BasicCegarLoop]: 1209 mSDtfsCounter, 1089 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1091 SdHoareTripleChecker+Valid, 2416 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:43,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1091 Valid, 2416 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:30:43,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2021-12-06 17:30:43,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 958. [2021-12-06 17:30:43,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 629 states have (on average 1.2003179650238474) internal successors, (755), 653 states have internal predecessors, (755), 240 states have call successors, (240), 75 states have call predecessors, (240), 74 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2021-12-06 17:30:43,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1233 transitions. [2021-12-06 17:30:43,320 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1233 transitions. Word has length 139 [2021-12-06 17:30:43,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:43,320 INFO L470 AbstractCegarLoop]: Abstraction has 958 states and 1233 transitions. [2021-12-06 17:30:43,320 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2021-12-06 17:30:43,320 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1233 transitions. [2021-12-06 17:30:43,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-12-06 17:30:43,321 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:43,321 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:30:43,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (22)] Ended with exit code 0 [2021-12-06 17:30:43,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:43,522 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_rcu_srcu_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)] === [2021-12-06 17:30:43,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:43,524 INFO L85 PathProgramCache]: Analyzing trace with hash 574132171, now seen corresponding path program 1 times [2021-12-06 17:30:43,526 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:43,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174365014] [2021-12-06 17:30:43,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:43,527 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:43,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:43,530 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:43,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2021-12-06 17:30:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:44,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:30:44,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:30:45,159 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:45,159 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:45,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174365014] [2021-12-06 17:30:45,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [174365014] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:45,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:45,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:30:45,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053493553] [2021-12-06 17:30:45,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:45,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:30:45,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:45,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:30:45,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:30:45,160 INFO L87 Difference]: Start difference. First operand 958 states and 1233 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-12-06 17:30:45,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:45,281 INFO L93 Difference]: Finished difference Result 958 states and 1233 transitions. [2021-12-06 17:30:45,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:30:45,282 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 145 [2021-12-06 17:30:45,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:45,286 INFO L225 Difference]: With dead ends: 958 [2021-12-06 17:30:45,286 INFO L226 Difference]: Without dead ends: 956 [2021-12-06 17:30:45,286 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:30:45,287 INFO L933 BasicCegarLoop]: 1207 mSDtfsCounter, 1081 mSDsluCounter, 1205 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 2412 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:45,287 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1083 Valid, 2412 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:30:45,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2021-12-06 17:30:45,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 956. [2021-12-06 17:30:45,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 628 states have (on average 1.1990445859872612) internal successors, (753), 651 states have internal predecessors, (753), 240 states have call successors, (240), 75 states have call predecessors, (240), 74 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2021-12-06 17:30:45,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1231 transitions. [2021-12-06 17:30:45,364 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1231 transitions. Word has length 145 [2021-12-06 17:30:45,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:45,365 INFO L470 AbstractCegarLoop]: Abstraction has 956 states and 1231 transitions. [2021-12-06 17:30:45,365 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2021-12-06 17:30:45,365 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1231 transitions. [2021-12-06 17:30:45,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-12-06 17:30:45,366 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:45,366 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:30:45,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (23)] Ended with exit code 0 [2021-12-06 17:30:45,566 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:45,567 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_lib_idr_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)] === [2021-12-06 17:30:45,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:45,568 INFO L85 PathProgramCache]: Analyzing trace with hash -937526730, now seen corresponding path program 1 times [2021-12-06 17:30:45,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:45,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1390780817] [2021-12-06 17:30:45,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:45,572 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:45,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:45,574 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:45,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2021-12-06 17:30:46,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:46,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:30:46,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:47,246 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:30:47,246 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:47,246 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:47,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1390780817] [2021-12-06 17:30:47,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1390780817] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:47,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:47,247 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:30:47,247 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054932353] [2021-12-06 17:30:47,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:47,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:30:47,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:47,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:30:47,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:30:47,248 INFO L87 Difference]: Start difference. First operand 956 states and 1231 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2021-12-06 17:30:47,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:47,372 INFO L93 Difference]: Finished difference Result 956 states and 1231 transitions. [2021-12-06 17:30:47,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:30:47,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 151 [2021-12-06 17:30:47,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:47,377 INFO L225 Difference]: With dead ends: 956 [2021-12-06 17:30:47,377 INFO L226 Difference]: Without dead ends: 954 [2021-12-06 17:30:47,377 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:30:47,378 INFO L933 BasicCegarLoop]: 1205 mSDtfsCounter, 1073 mSDsluCounter, 1203 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1075 SdHoareTripleChecker+Valid, 2408 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:47,378 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1075 Valid, 2408 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:30:47,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2021-12-06 17:30:47,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 954. [2021-12-06 17:30:47,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 627 states have (on average 1.1977671451355663) internal successors, (751), 649 states have internal predecessors, (751), 240 states have call successors, (240), 75 states have call predecessors, (240), 74 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2021-12-06 17:30:47,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1229 transitions. [2021-12-06 17:30:47,462 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1229 transitions. Word has length 151 [2021-12-06 17:30:47,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:47,462 INFO L470 AbstractCegarLoop]: Abstraction has 954 states and 1229 transitions. [2021-12-06 17:30:47,463 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2021-12-06 17:30:47,463 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1229 transitions. [2021-12-06 17:30:47,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2021-12-06 17:30:47,463 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:47,464 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:30:47,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (24)] Ended with exit code 0 [2021-12-06 17:30:47,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:47,665 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_mmc_sdio_func_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)] === [2021-12-06 17:30:47,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:47,666 INFO L85 PathProgramCache]: Analyzing trace with hash -240196156, now seen corresponding path program 1 times [2021-12-06 17:30:47,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:47,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [576923785] [2021-12-06 17:30:47,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:47,669 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:47,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:47,672 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:47,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2021-12-06 17:30:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:48,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:30:48,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:49,476 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:30:49,476 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:49,476 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:49,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [576923785] [2021-12-06 17:30:49,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [576923785] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:49,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:49,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:30:49,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057410044] [2021-12-06 17:30:49,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:49,477 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:30:49,477 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:49,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:30:49,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:30:49,478 INFO L87 Difference]: Start difference. First operand 954 states and 1229 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2021-12-06 17:30:49,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:49,605 INFO L93 Difference]: Finished difference Result 954 states and 1229 transitions. [2021-12-06 17:30:49,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:30:49,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2021-12-06 17:30:49,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:49,610 INFO L225 Difference]: With dead ends: 954 [2021-12-06 17:30:49,610 INFO L226 Difference]: Without dead ends: 952 [2021-12-06 17:30:49,611 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:30:49,611 INFO L933 BasicCegarLoop]: 1203 mSDtfsCounter, 1065 mSDsluCounter, 1201 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1067 SdHoareTripleChecker+Valid, 2404 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:49,611 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1067 Valid, 2404 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:30:49,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2021-12-06 17:30:49,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 952. [2021-12-06 17:30:49,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 626 states have (on average 1.1964856230031948) internal successors, (749), 647 states have internal predecessors, (749), 240 states have call successors, (240), 75 states have call predecessors, (240), 74 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2021-12-06 17:30:49,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1227 transitions. [2021-12-06 17:30:49,702 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1227 transitions. Word has length 157 [2021-12-06 17:30:49,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:49,702 INFO L470 AbstractCegarLoop]: Abstraction has 952 states and 1227 transitions. [2021-12-06 17:30:49,702 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2021-12-06 17:30:49,702 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1227 transitions. [2021-12-06 17:30:49,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2021-12-06 17:30:49,703 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:49,703 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:30:49,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2021-12-06 17:30:49,904 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:49,905 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_rtnetlink_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)] === [2021-12-06 17:30:49,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:49,906 INFO L85 PathProgramCache]: Analyzing trace with hash -69030310, now seen corresponding path program 1 times [2021-12-06 17:30:49,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:49,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489780391] [2021-12-06 17:30:49,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:49,910 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:49,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:49,910 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:49,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2021-12-06 17:30:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:50,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:30:50,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:51,755 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:30:51,756 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:51,756 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:51,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [489780391] [2021-12-06 17:30:51,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [489780391] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:51,756 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:51,756 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:30:51,756 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787305565] [2021-12-06 17:30:51,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:51,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:30:51,757 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:51,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:30:51,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:30:51,757 INFO L87 Difference]: Start difference. First operand 952 states and 1227 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-12-06 17:30:51,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:51,890 INFO L93 Difference]: Finished difference Result 952 states and 1227 transitions. [2021-12-06 17:30:51,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:30:51,891 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 163 [2021-12-06 17:30:51,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:51,895 INFO L225 Difference]: With dead ends: 952 [2021-12-06 17:30:51,895 INFO L226 Difference]: Without dead ends: 950 [2021-12-06 17:30:51,895 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:30:51,896 INFO L933 BasicCegarLoop]: 1201 mSDtfsCounter, 1057 mSDsluCounter, 1199 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1059 SdHoareTripleChecker+Valid, 2400 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:51,896 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1059 Valid, 2400 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:30:51,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2021-12-06 17:30:51,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 950. [2021-12-06 17:30:51,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 625 states have (on average 1.1952) internal successors, (747), 645 states have internal predecessors, (747), 240 states have call successors, (240), 75 states have call predecessors, (240), 74 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2021-12-06 17:30:51,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1225 transitions. [2021-12-06 17:30:51,998 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1225 transitions. Word has length 163 [2021-12-06 17:30:51,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:51,999 INFO L470 AbstractCegarLoop]: Abstraction has 950 states and 1225 transitions. [2021-12-06 17:30:51,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2021-12-06 17:30:51,999 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1225 transitions. [2021-12-06 17:30:52,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-12-06 17:30:52,000 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:52,000 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:30:52,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2021-12-06 17:30:52,201 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:52,201 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:30:52,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:52,202 INFO L85 PathProgramCache]: Analyzing trace with hash -803112258, now seen corresponding path program 1 times [2021-12-06 17:30:52,203 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:52,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1196770776] [2021-12-06 17:30:52,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:52,203 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:52,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:52,204 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:52,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2021-12-06 17:30:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:53,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 17:30:53,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:53,615 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-12-06 17:30:53,615 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:53,615 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:53,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1196770776] [2021-12-06 17:30:53,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1196770776] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:53,615 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:53,615 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:30:53,615 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023138194] [2021-12-06 17:30:53,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:53,616 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 17:30:53,616 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:53,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:30:53,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:30:53,617 INFO L87 Difference]: Start difference. First operand 950 states and 1225 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-06 17:30:53,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:53,788 INFO L93 Difference]: Finished difference Result 1750 states and 2241 transitions. [2021-12-06 17:30:53,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:30:53,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 207 [2021-12-06 17:30:53,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:53,793 INFO L225 Difference]: With dead ends: 1750 [2021-12-06 17:30:53,793 INFO L226 Difference]: Without dead ends: 946 [2021-12-06 17:30:53,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:30:53,795 INFO L933 BasicCegarLoop]: 1197 mSDtfsCounter, 1139 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1139 SdHoareTripleChecker+Valid, 1197 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:53,795 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1139 Valid, 1197 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:30:53,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2021-12-06 17:30:53,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 946. [2021-12-06 17:30:53,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 622 states have (on average 1.1929260450160772) internal successors, (742), 641 states have internal predecessors, (742), 240 states have call successors, (240), 75 states have call predecessors, (240), 74 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2021-12-06 17:30:53,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1220 transitions. [2021-12-06 17:30:53,887 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1220 transitions. Word has length 207 [2021-12-06 17:30:53,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:53,888 INFO L470 AbstractCegarLoop]: Abstraction has 946 states and 1220 transitions. [2021-12-06 17:30:53,888 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-12-06 17:30:53,888 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1220 transitions. [2021-12-06 17:30:53,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-12-06 17:30:53,889 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:53,889 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:30:53,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (27)] Ended with exit code 0 [2021-12-06 17:30:54,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:54,091 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_net_sock_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)] === [2021-12-06 17:30:54,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:54,092 INFO L85 PathProgramCache]: Analyzing trace with hash 450939671, now seen corresponding path program 1 times [2021-12-06 17:30:54,095 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:54,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543509155] [2021-12-06 17:30:54,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:54,096 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:54,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:54,098 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:54,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2021-12-06 17:30:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:54,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:30:54,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:55,986 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:30:55,986 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:55,986 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:55,986 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543509155] [2021-12-06 17:30:55,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543509155] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:55,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:55,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:30:55,987 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630952782] [2021-12-06 17:30:55,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:55,987 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:30:55,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:55,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:30:55,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:30:55,988 INFO L87 Difference]: Start difference. First operand 946 states and 1220 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2021-12-06 17:30:56,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:56,128 INFO L93 Difference]: Finished difference Result 946 states and 1220 transitions. [2021-12-06 17:30:56,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:30:56,129 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2021-12-06 17:30:56,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:56,133 INFO L225 Difference]: With dead ends: 946 [2021-12-06 17:30:56,133 INFO L226 Difference]: Without dead ends: 944 [2021-12-06 17:30:56,134 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:30:56,134 INFO L933 BasicCegarLoop]: 1194 mSDtfsCounter, 1044 mSDsluCounter, 1192 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1046 SdHoareTripleChecker+Valid, 2386 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:56,134 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1046 Valid, 2386 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:30:56,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2021-12-06 17:30:56,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 944. [2021-12-06 17:30:56,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 621 states have (on average 1.1916264090177133) internal successors, (740), 639 states have internal predecessors, (740), 240 states have call successors, (240), 75 states have call predecessors, (240), 74 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2021-12-06 17:30:56,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1218 transitions. [2021-12-06 17:30:56,223 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1218 transitions. Word has length 169 [2021-12-06 17:30:56,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:56,224 INFO L470 AbstractCegarLoop]: Abstraction has 944 states and 1218 transitions. [2021-12-06 17:30:56,224 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2021-12-06 17:30:56,224 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1218 transitions. [2021-12-06 17:30:56,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-12-06 17:30:56,227 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:56,227 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 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] [2021-12-06 17:30:56,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (28)] Ended with exit code 0 [2021-12-06 17:30:56,428 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:56,428 INFO L402 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:30:56,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:56,428 INFO L85 PathProgramCache]: Analyzing trace with hash 440931565, now seen corresponding path program 1 times [2021-12-06 17:30:56,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:56,429 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2082615237] [2021-12-06 17:30:56,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:56,429 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:56,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:56,430 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:56,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2021-12-06 17:30:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:57,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 17:30:57,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:30:57,842 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-12-06 17:30:57,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:30:57,843 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:30:57,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2082615237] [2021-12-06 17:30:57,843 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2082615237] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:30:57,843 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:30:57,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:30:57,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81925052] [2021-12-06 17:30:57,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:30:57,844 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-06 17:30:57,844 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:30:57,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 17:30:57,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:30:57,844 INFO L87 Difference]: Start difference. First operand 944 states and 1218 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-06 17:30:58,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:30:58,024 INFO L93 Difference]: Finished difference Result 1746 states and 2231 transitions. [2021-12-06 17:30:58,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 17:30:58,025 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 213 [2021-12-06 17:30:58,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:30:58,029 INFO L225 Difference]: With dead ends: 1746 [2021-12-06 17:30:58,029 INFO L226 Difference]: Without dead ends: 951 [2021-12-06 17:30:58,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 17:30:58,031 INFO L933 BasicCegarLoop]: 1205 mSDtfsCounter, 1126 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1126 SdHoareTripleChecker+Valid, 1227 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:30:58,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1126 Valid, 1227 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:30:58,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 951 states. [2021-12-06 17:30:58,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 951 to 950. [2021-12-06 17:30:58,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 625 states have (on average 1.1872) internal successors, (742), 642 states have internal predecessors, (742), 240 states have call successors, (240), 78 states have call predecessors, (240), 77 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2021-12-06 17:30:58,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1220 transitions. [2021-12-06 17:30:58,127 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1220 transitions. Word has length 213 [2021-12-06 17:30:58,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:30:58,127 INFO L470 AbstractCegarLoop]: Abstraction has 950 states and 1220 transitions. [2021-12-06 17:30:58,127 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-12-06 17:30:58,127 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1220 transitions. [2021-12-06 17:30:58,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-12-06 17:30:58,128 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:30:58,128 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:30:58,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (29)] Ended with exit code 0 [2021-12-06 17:30:58,329 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:30:58,330 INFO L402 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_coherent_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)] === [2021-12-06 17:30:58,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:30:58,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1188973578, now seen corresponding path program 1 times [2021-12-06 17:30:58,334 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:30:58,334 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012720251] [2021-12-06 17:30:58,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:30:58,335 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:30:58,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:30:58,338 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:30:58,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2021-12-06 17:30:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:30:58,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:30:58,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:31:00,200 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:31:00,200 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:31:00,201 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:31:00,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012720251] [2021-12-06 17:31:00,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012720251] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:31:00,201 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:31:00,201 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:31:00,201 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062886581] [2021-12-06 17:31:00,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:31:00,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:31:00,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:31:00,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:31:00,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:31:00,202 INFO L87 Difference]: Start difference. First operand 950 states and 1220 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2021-12-06 17:31:00,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:31:00,345 INFO L93 Difference]: Finished difference Result 950 states and 1220 transitions. [2021-12-06 17:31:00,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:31:00,346 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2021-12-06 17:31:00,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:31:00,349 INFO L225 Difference]: With dead ends: 950 [2021-12-06 17:31:00,349 INFO L226 Difference]: Without dead ends: 948 [2021-12-06 17:31:00,349 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:31:00,349 INFO L933 BasicCegarLoop]: 1187 mSDtfsCounter, 1031 mSDsluCounter, 1185 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1033 SdHoareTripleChecker+Valid, 2372 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:31:00,350 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1033 Valid, 2372 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:31:00,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2021-12-06 17:31:00,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 948. [2021-12-06 17:31:00,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 624 states have (on average 1.185897435897436) internal successors, (740), 640 states have internal predecessors, (740), 240 states have call successors, (240), 78 states have call predecessors, (240), 77 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2021-12-06 17:31:00,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1218 transitions. [2021-12-06 17:31:00,448 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1218 transitions. Word has length 175 [2021-12-06 17:31:00,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:31:00,449 INFO L470 AbstractCegarLoop]: Abstraction has 948 states and 1218 transitions. [2021-12-06 17:31:00,449 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2021-12-06 17:31:00,449 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1218 transitions. [2021-12-06 17:31:00,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-12-06 17:31:00,450 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:31:00,450 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:31:00,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (30)] Ended with exit code 0 [2021-12-06 17:31:00,650 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:31:00,651 INFO L402 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_gadget_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)] === [2021-12-06 17:31:00,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:31:00,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1297923123, now seen corresponding path program 1 times [2021-12-06 17:31:00,652 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:31:00,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593933063] [2021-12-06 17:31:00,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:31:00,652 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:31:00,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:31:00,653 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:31:00,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2021-12-06 17:31:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:31:01,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:31:01,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:31:02,617 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:31:02,617 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:31:02,617 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:31:02,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [593933063] [2021-12-06 17:31:02,618 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [593933063] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:31:02,618 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:31:02,618 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:31:02,618 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095654586] [2021-12-06 17:31:02,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:31:02,619 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:31:02,619 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:31:02,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:31:02,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:31:02,620 INFO L87 Difference]: Start difference. First operand 948 states and 1218 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-12-06 17:31:02,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:31:02,765 INFO L93 Difference]: Finished difference Result 948 states and 1218 transitions. [2021-12-06 17:31:02,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:31:02,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 181 [2021-12-06 17:31:02,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:31:02,770 INFO L225 Difference]: With dead ends: 948 [2021-12-06 17:31:02,770 INFO L226 Difference]: Without dead ends: 946 [2021-12-06 17:31:02,770 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:31:02,771 INFO L933 BasicCegarLoop]: 1185 mSDtfsCounter, 1023 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1025 SdHoareTripleChecker+Valid, 2368 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-06 17:31:02,771 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1025 Valid, 2368 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-06 17:31:02,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2021-12-06 17:31:02,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 946. [2021-12-06 17:31:02,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 623 states have (on average 1.1845906902086678) internal successors, (738), 638 states have internal predecessors, (738), 240 states have call successors, (240), 78 states have call predecessors, (240), 77 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2021-12-06 17:31:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1216 transitions. [2021-12-06 17:31:02,871 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1216 transitions. Word has length 181 [2021-12-06 17:31:02,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:31:02,872 INFO L470 AbstractCegarLoop]: Abstraction has 946 states and 1216 transitions. [2021-12-06 17:31:02,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2021-12-06 17:31:02,872 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1216 transitions. [2021-12-06 17:31:02,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-12-06 17:31:02,873 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:31:02,873 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 12, 5, 5, 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] [2021-12-06 17:31:02,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2021-12-06 17:31:03,074 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:31:03,075 INFO L402 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:31:03,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:31:03,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1987918301, now seen corresponding path program 1 times [2021-12-06 17:31:03,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:31:03,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2116462099] [2021-12-06 17:31:03,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:31:03,080 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:31:03,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:31:03,083 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:31:03,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2021-12-06 17:31:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:31:04,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 1568 conjuncts, 15 conjunts are in the unsatisfiable core [2021-12-06 17:31:04,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:31:04,943 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2021-12-06 17:31:04,944 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:31:04,944 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:31:04,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2116462099] [2021-12-06 17:31:04,944 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2116462099] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:31:04,944 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:31:04,944 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 17:31:04,944 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453401] [2021-12-06 17:31:04,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:31:04,945 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-06 17:31:04,945 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:31:04,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-06 17:31:04,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-12-06 17:31:04,945 INFO L87 Difference]: Start difference. First operand 946 states and 1216 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 5 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-06 17:31:07,323 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:31:09,585 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:31:09,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:31:09,872 INFO L93 Difference]: Finished difference Result 2244 states and 2997 transitions. [2021-12-06 17:31:09,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-06 17:31:09,874 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 5 states have call predecessors, (27), 3 states have call successors, (27) Word has length 229 [2021-12-06 17:31:09,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:31:09,877 INFO L225 Difference]: With dead ends: 2244 [2021-12-06 17:31:09,877 INFO L226 Difference]: Without dead ends: 1367 [2021-12-06 17:31:09,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-12-06 17:31:09,879 INFO L933 BasicCegarLoop]: 1370 mSDtfsCounter, 339 mSDsluCounter, 8032 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 491 SdHoareTripleChecker+Valid, 9402 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2021-12-06 17:31:09,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [491 Valid, 9402 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 2 Unknown, 0 Unchecked, 4.6s Time] [2021-12-06 17:31:09,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2021-12-06 17:31:09,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 955. [2021-12-06 17:31:09,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 955 states, 629 states have (on average 1.1828298887122417) internal successors, (744), 644 states have internal predecessors, (744), 241 states have call successors, (241), 78 states have call predecessors, (241), 79 states have return successors, (246), 238 states have call predecessors, (246), 239 states have call successors, (246) [2021-12-06 17:31:09,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1231 transitions. [2021-12-06 17:31:09,995 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1231 transitions. Word has length 229 [2021-12-06 17:31:09,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:31:09,996 INFO L470 AbstractCegarLoop]: Abstraction has 955 states and 1231 transitions. [2021-12-06 17:31:09,996 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 5 states have call predecessors, (27), 3 states have call successors, (27) [2021-12-06 17:31:09,996 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1231 transitions. [2021-12-06 17:31:09,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2021-12-06 17:31:09,997 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:31:09,997 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:31:10,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (32)] Ended with exit code 0 [2021-12-06 17:31:10,197 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:31:10,198 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_usb_urb_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)] === [2021-12-06 17:31:10,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:31:10,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1190295607, now seen corresponding path program 1 times [2021-12-06 17:31:10,204 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:31:10,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1048041676] [2021-12-06 17:31:10,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:31:10,205 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:31:10,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:31:10,208 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:31:10,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2021-12-06 17:31:10,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:31:10,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:31:10,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:31:12,332 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-12-06 17:31:12,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:31:12,333 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:31:12,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1048041676] [2021-12-06 17:31:12,333 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1048041676] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:31:12,333 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:31:12,333 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 17:31:12,333 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904185917] [2021-12-06 17:31:12,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:31:12,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-12-06 17:31:12,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:31:12,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 17:31:12,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 17:31:12,334 INFO L87 Difference]: Start difference. First operand 955 states and 1231 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-06 17:31:12,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:31:12,639 INFO L93 Difference]: Finished difference Result 1811 states and 2337 transitions. [2021-12-06 17:31:12,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 17:31:12,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 187 [2021-12-06 17:31:12,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:31:12,643 INFO L225 Difference]: With dead ends: 1811 [2021-12-06 17:31:12,643 INFO L226 Difference]: Without dead ends: 1626 [2021-12-06 17:31:12,644 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:31:12,644 INFO L933 BasicCegarLoop]: 1455 mSDtfsCounter, 1012 mSDsluCounter, 2546 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1012 SdHoareTripleChecker+Valid, 4001 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-06 17:31:12,645 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1012 Valid, 4001 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-06 17:31:12,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1626 states. [2021-12-06 17:31:12,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1626 to 1607. [2021-12-06 17:31:12,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1607 states, 1065 states have (on average 1.2028169014084507) internal successors, (1281), 1088 states have internal predecessors, (1281), 406 states have call successors, (406), 129 states have call predecessors, (406), 130 states have return successors, (419), 401 states have call predecessors, (419), 404 states have call successors, (419) [2021-12-06 17:31:12,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1607 states and 2106 transitions. [2021-12-06 17:31:12,836 INFO L78 Accepts]: Start accepts. Automaton has 1607 states and 2106 transitions. Word has length 187 [2021-12-06 17:31:12,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:31:12,837 INFO L470 AbstractCegarLoop]: Abstraction has 1607 states and 2106 transitions. [2021-12-06 17:31:12,837 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2021-12-06 17:31:12,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2106 transitions. [2021-12-06 17:31:12,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2021-12-06 17:31:12,838 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:31:12,838 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:31:12,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (33)] Ended with exit code 0 [2021-12-06 17:31:13,038 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:31:13,040 INFO L402 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:31:13,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:31:13,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1376815361, now seen corresponding path program 1 times [2021-12-06 17:31:13,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:31:13,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [60511187] [2021-12-06 17:31:13,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:31:13,045 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:31:13,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:31:13,048 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:31:13,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2021-12-06 17:31:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:31:14,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 37 conjunts are in the unsatisfiable core [2021-12-06 17:31:14,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:31:16,993 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2021-12-06 17:31:16,993 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:31:16,993 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:31:16,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [60511187] [2021-12-06 17:31:16,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [60511187] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:31:16,993 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:31:16,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-12-06 17:31:16,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447842355] [2021-12-06 17:31:16,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:31:16,994 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2021-12-06 17:31:16,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:31:16,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-12-06 17:31:16,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2021-12-06 17:31:16,995 INFO L87 Difference]: Start difference. First operand 1607 states and 2106 transitions. Second operand has 19 states, 16 states have (on average 5.6875) internal successors, (91), 14 states have internal predecessors, (91), 7 states have call successors, (32), 3 states have call predecessors, (32), 6 states have return successors, (30), 9 states have call predecessors, (30), 6 states have call successors, (30) [2021-12-06 17:31:21,089 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:31:27,066 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:31:32,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:31:32,189 INFO L93 Difference]: Finished difference Result 3806 states and 5135 transitions. [2021-12-06 17:31:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-12-06 17:31:32,190 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 5.6875) internal successors, (91), 14 states have internal predecessors, (91), 7 states have call successors, (32), 3 states have call predecessors, (32), 6 states have return successors, (30), 9 states have call predecessors, (30), 6 states have call successors, (30) Word has length 245 [2021-12-06 17:31:32,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:31:32,196 INFO L225 Difference]: With dead ends: 3806 [2021-12-06 17:31:32,196 INFO L226 Difference]: Without dead ends: 2382 [2021-12-06 17:31:32,199 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2021-12-06 17:31:32,199 INFO L933 BasicCegarLoop]: 1709 mSDtfsCounter, 426 mSDsluCounter, 25005 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 18 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 600 SdHoareTripleChecker+Valid, 26714 SdHoareTripleChecker+Invalid, 1211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.8s IncrementalHoareTripleChecker+Time [2021-12-06 17:31:32,199 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [600 Valid, 26714 Invalid, 1211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1191 Invalid, 2 Unknown, 0 Unchecked, 13.8s Time] [2021-12-06 17:31:32,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2382 states. [2021-12-06 17:31:32,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2382 to 1643. [2021-12-06 17:31:32,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1643 states, 1083 states have (on average 1.1985226223453371) internal successors, (1298), 1108 states have internal predecessors, (1298), 420 states have call successors, (420), 131 states have call predecessors, (420), 134 states have return successors, (439), 415 states have call predecessors, (439), 418 states have call successors, (439) [2021-12-06 17:31:32,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1643 states to 1643 states and 2157 transitions. [2021-12-06 17:31:32,414 INFO L78 Accepts]: Start accepts. Automaton has 1643 states and 2157 transitions. Word has length 245 [2021-12-06 17:31:32,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:31:32,414 INFO L470 AbstractCegarLoop]: Abstraction has 1643 states and 2157 transitions. [2021-12-06 17:31:32,415 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 5.6875) internal successors, (91), 14 states have internal predecessors, (91), 7 states have call successors, (32), 3 states have call predecessors, (32), 6 states have return successors, (30), 9 states have call predecessors, (30), 6 states have call successors, (30) [2021-12-06 17:31:32,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1643 states and 2157 transitions. [2021-12-06 17:31:32,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-12-06 17:31:32,416 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:31:32,416 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:31:32,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2021-12-06 17:31:32,616 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:31:32,617 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:31:32,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:31:32,619 INFO L85 PathProgramCache]: Analyzing trace with hash -132600724, now seen corresponding path program 1 times [2021-12-06 17:31:32,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:31:32,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [310284639] [2021-12-06 17:31:32,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:31:32,624 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:31:32,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:31:32,626 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:31:32,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2021-12-06 17:31:36,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:31:36,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 1611 conjuncts, 21 conjunts are in the unsatisfiable core [2021-12-06 17:31:36,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:31:36,692 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:31:36,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:31:36,693 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:31:36,894 INFO L354 Elim1Store]: treesize reduction 190, result has 12.8 percent of original size [2021-12-06 17:31:36,895 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 38 [2021-12-06 17:31:38,282 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2021-12-06 17:31:38,282 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:31:38,282 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:31:38,282 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [310284639] [2021-12-06 17:31:38,283 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [310284639] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:31:38,283 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:31:38,283 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 17:31:38,283 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656751473] [2021-12-06 17:31:38,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:31:38,284 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:31:38,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:31:38,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:31:38,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:31:38,284 INFO L87 Difference]: Start difference. First operand 1643 states and 2157 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-06 17:31:40,346 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:31:42,375 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:31:44,389 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:31:46,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:31:52,667 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:31:54,678 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:31:56,694 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:31:58,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:32:01,975 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:32:03,987 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:32:05,999 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:32:31,660 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:32:33,675 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:32:35,691 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:32:37,256 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:32:39,277 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:32:43,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:32:54,768 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:32:58,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:33:03,393 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:33:07,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:33:07,904 INFO L93 Difference]: Finished difference Result 3722 states and 5015 transitions. [2021-12-06 17:33:07,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 17:33:07,905 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 249 [2021-12-06 17:33:07,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:33:07,911 INFO L225 Difference]: With dead ends: 3722 [2021-12-06 17:33:07,911 INFO L226 Difference]: Without dead ends: 2267 [2021-12-06 17:33:07,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2021-12-06 17:33:07,914 INFO L933 BasicCegarLoop]: 1359 mSDtfsCounter, 530 mSDsluCounter, 2593 mSDsCounter, 0 mSdLazyCounter, 4831 mSolverCounterSat, 330 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 83.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 685 SdHoareTripleChecker+Valid, 3952 SdHoareTripleChecker+Invalid, 5175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 330 IncrementalHoareTripleChecker+Valid, 4831 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 88.3s IncrementalHoareTripleChecker+Time [2021-12-06 17:33:07,915 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [685 Valid, 3952 Invalid, 5175 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [330 Valid, 4831 Invalid, 14 Unknown, 0 Unchecked, 88.3s Time] [2021-12-06 17:33:07,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2267 states. [2021-12-06 17:33:08,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2267 to 1725. [2021-12-06 17:33:08,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1725 states, 1127 states have (on average 1.1960958296362023) internal successors, (1348), 1158 states have internal predecessors, (1348), 450 states have call successors, (450), 133 states have call predecessors, (450), 142 states have return successors, (494), 445 states have call predecessors, (494), 448 states have call successors, (494) [2021-12-06 17:33:08,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1725 states and 2292 transitions. [2021-12-06 17:33:08,162 INFO L78 Accepts]: Start accepts. Automaton has 1725 states and 2292 transitions. Word has length 249 [2021-12-06 17:33:08,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:33:08,162 INFO L470 AbstractCegarLoop]: Abstraction has 1725 states and 2292 transitions. [2021-12-06 17:33:08,162 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-06 17:33:08,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2292 transitions. [2021-12-06 17:33:08,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-12-06 17:33:08,164 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:33:08,164 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:33:08,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (35)] Ended with exit code 0 [2021-12-06 17:33:08,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:33:08,366 INFO L402 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:33:08,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:33:08,367 INFO L85 PathProgramCache]: Analyzing trace with hash -525627734, now seen corresponding path program 1 times [2021-12-06 17:33:08,370 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:33:08,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [564713679] [2021-12-06 17:33:08,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:33:08,372 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:33:08,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:33:08,374 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:33:08,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2021-12-06 17:33:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:33:11,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 1608 conjuncts, 37 conjunts are in the unsatisfiable core [2021-12-06 17:33:11,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:33:17,774 WARN L227 SmtUtils]: Spent 6.00s on a formula simplification. DAG size of input: 722 DAG size of output: 90 (called from [L 351] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2021-12-06 17:33:17,775 INFO L354 Elim1Store]: treesize reduction 9554, result has 1.6 percent of original size [2021-12-06 17:33:17,776 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 17 case distinctions, treesize of input 98 treesize of output 163 [2021-12-06 17:33:17,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:17,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 17:33:18,463 INFO L244 Elim1Store]: Index analysis took 664 ms [2021-12-06 17:33:18,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 153 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 163 [2021-12-06 17:33:18,985 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-12-06 17:33:18,994 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2021-12-06 17:33:19,291 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2021-12-06 17:33:19,292 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:33:19,292 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:33:19,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [564713679] [2021-12-06 17:33:19,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [564713679] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:33:19,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:33:19,292 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 17:33:19,292 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502430619] [2021-12-06 17:33:19,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:33:19,293 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:33:19,293 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:33:19,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:33:19,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:33:19,293 INFO L87 Difference]: Start difference. First operand 1725 states and 2292 transitions. Second operand has 9 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-06 17:33:21,359 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:33:23,398 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:33:25,409 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:33:27,429 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:33:32,363 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:33:34,377 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:33:36,396 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:33:38,412 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:33:42,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:33:44,058 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:33:46,076 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:05,120 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:27,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:33,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:34:33,028 INFO L93 Difference]: Finished difference Result 3110 states and 4210 transitions. [2021-12-06 17:34:33,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 17:34:33,029 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 249 [2021-12-06 17:34:33,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:34:33,036 INFO L225 Difference]: With dead ends: 3110 [2021-12-06 17:34:33,036 INFO L226 Difference]: Without dead ends: 2292 [2021-12-06 17:34:33,038 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 241 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2021-12-06 17:34:33,038 INFO L933 BasicCegarLoop]: 1430 mSDtfsCounter, 513 mSDsluCounter, 6346 mSDsCounter, 0 mSdLazyCounter, 4340 mSolverCounterSat, 272 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 69.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 662 SdHoareTripleChecker+Valid, 7776 SdHoareTripleChecker+Invalid, 4624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 4340 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 72.6s IncrementalHoareTripleChecker+Time [2021-12-06 17:34:33,039 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [662 Valid, 7776 Invalid, 4624 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [272 Valid, 4340 Invalid, 12 Unknown, 0 Unchecked, 72.6s Time] [2021-12-06 17:34:33,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2292 states. [2021-12-06 17:34:33,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2292 to 1756. [2021-12-06 17:34:33,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1756 states, 1143 states have (on average 1.1933508311461067) internal successors, (1364), 1175 states have internal predecessors, (1364), 462 states have call successors, (462), 135 states have call predecessors, (462), 145 states have return successors, (511), 457 states have call predecessors, (511), 460 states have call successors, (511) [2021-12-06 17:34:33,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1756 states and 2337 transitions. [2021-12-06 17:34:33,294 INFO L78 Accepts]: Start accepts. Automaton has 1756 states and 2337 transitions. Word has length 249 [2021-12-06 17:34:33,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:34:33,295 INFO L470 AbstractCegarLoop]: Abstraction has 1756 states and 2337 transitions. [2021-12-06 17:34:33,295 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.25) internal successors, (90), 7 states have internal predecessors, (90), 4 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-06 17:34:33,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2337 transitions. [2021-12-06 17:34:33,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2021-12-06 17:34:33,296 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:34:33,296 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 17:34:33,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2021-12-06 17:34:33,497 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 [2021-12-06 17:34:33,498 INFO L402 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2021-12-06 17:34:33,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:34:33,499 INFO L85 PathProgramCache]: Analyzing trace with hash -442483570, now seen corresponding path program 1 times [2021-12-06 17:34:33,503 INFO L121 FreeRefinementEngine]: Executing refinement strategy WOLF [2021-12-06 17:34:33,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [881295724] [2021-12-06 17:34:33,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:34:33,504 INFO L168 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-12-06 17:34:33,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat [2021-12-06 17:34:33,506 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-12-06 17:34:33,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5334129b-d5cc-416d-a0da-98077c081465/bin/uautomizer-DrprNOufMa/mathsat -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2021-12-06 17:34:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:34:41,293 INFO L263 TraceCheckSpWp]: Trace formula consists of 1632 conjuncts, 26 conjunts are in the unsatisfiable core [2021-12-06 17:34:41,298 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:34:41,436 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:34:41,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:34:41,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 17:34:44,746 INFO L354 Elim1Store]: treesize reduction 5834, result has 2.1 percent of original size [2021-12-06 17:34:44,747 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 14 case distinctions, treesize of input 87 treesize of output 136 [2021-12-06 17:34:46,005 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2021-12-06 17:34:46,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-06 17:34:46,005 INFO L139 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2021-12-06 17:34:46,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [881295724] [2021-12-06 17:34:46,005 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [881295724] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:34:46,005 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:34:46,005 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 17:34:46,005 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385054077] [2021-12-06 17:34:46,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:34:46,006 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 17:34:46,006 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2021-12-06 17:34:46,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 17:34:46,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:34:46,007 INFO L87 Difference]: Start difference. First operand 1756 states and 2337 transitions. Second operand has 9 states, 8 states have (on average 11.375) internal successors, (91), 7 states have internal predecessors, (91), 4 states have call successors, (32), 4 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-06 17:34:48,073 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:50,088 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:52,101 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:34:54,129 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:00,605 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:02,620 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:04,634 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:06,651 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:07,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:10,738 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:12,746 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:14,759 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:38,848 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:40,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:45,481 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:47,152 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:49,169 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:51,188 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:53,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:55,208 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:35:57,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:36:00,767 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:36:04,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:36:28,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []