./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--class--cdc-wdm.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --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 6fbcf05da5228307460c10a1ab2d8431ff74359811f7e2c9b55e8eaa9db8f14c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:06:50,337 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:06:50,410 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 02:06:50,419 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:06:50,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:06:50,451 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:06:50,451 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:06:50,452 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:06:50,452 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:06:50,452 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:06:50,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:06:50,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:06:50,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:06:50,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:06:50,454 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:06:50,454 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:06:50,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 02:06:50,454 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:06:50,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:06:50,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 02:06:50,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:06:50,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 02:06:50,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 02:06:50,455 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:06:50,455 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:06:50,456 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:06:50,456 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:06:50,456 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:06:50,456 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:06:50,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:06:50,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:06:50,457 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:06:50,457 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:06:50,457 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:06:50,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:06:50,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:06:50,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:06:50,458 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 02:06:50,458 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 02:06:50,458 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:06:50,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:06:50,458 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:06:50,459 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:06:50,459 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:06:50,459 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:06:50,459 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 6fbcf05da5228307460c10a1ab2d8431ff74359811f7e2c9b55e8eaa9db8f14c [2024-11-28 02:06:50,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:06:50,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:06:50,854 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:06:50,856 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:06:50,856 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:06:50,860 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i [2024-11-28 02:06:53,873 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/data/62808d8f5/0384f9ee92cd4deca97bcd5c7c0aeb4c/FLAG717173179 [2024-11-28 02:06:54,684 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:06:54,685 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i [2024-11-28 02:06:54,760 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/data/62808d8f5/0384f9ee92cd4deca97bcd5c7c0aeb4c/FLAG717173179 [2024-11-28 02:06:54,786 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/data/62808d8f5/0384f9ee92cd4deca97bcd5c7c0aeb4c [2024-11-28 02:06:54,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:06:54,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:06:54,794 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:06:54,794 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:06:54,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:06:54,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5be71e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:54, skipping insertion in model container [2024-11-28 02:06:54,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:06:54" (1/1) ... [2024-11-28 02:06:54,971 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:06:57,974 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307309,307322] [2024-11-28 02:06:57,982 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307454,307467] [2024-11-28 02:06:57,983 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307600,307613] [2024-11-28 02:06:57,983 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307765,307778] [2024-11-28 02:06:57,984 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307923,307936] [2024-11-28 02:06:57,984 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308081,308094] [2024-11-28 02:06:57,984 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308239,308252] [2024-11-28 02:06:57,985 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308399,308412] [2024-11-28 02:06:57,985 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308558,308571] [2024-11-28 02:06:57,986 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308697,308710] [2024-11-28 02:06:57,989 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308839,308852] [2024-11-28 02:06:57,990 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308988,309001] [2024-11-28 02:06:57,991 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309127,309140] [2024-11-28 02:06:57,992 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309282,309295] [2024-11-28 02:06:57,996 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309442,309455] [2024-11-28 02:06:57,997 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309593,309606] [2024-11-28 02:06:57,997 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309744,309757] [2024-11-28 02:06:57,998 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309896,309909] [2024-11-28 02:06:57,998 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310045,310058] [2024-11-28 02:06:57,998 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310193,310206] [2024-11-28 02:06:57,999 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310350,310363] [2024-11-28 02:06:57,999 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310499,310512] [2024-11-28 02:06:58,000 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310655,310668] [2024-11-28 02:06:58,004 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310808,310821] [2024-11-28 02:06:58,005 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310954,310967] [2024-11-28 02:06:58,005 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311097,311110] [2024-11-28 02:06:58,006 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311249,311262] [2024-11-28 02:06:58,006 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311395,311408] [2024-11-28 02:06:58,006 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311540,311553] [2024-11-28 02:06:58,007 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311694,311707] [2024-11-28 02:06:58,007 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311845,311858] [2024-11-28 02:06:58,007 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312000,312013] [2024-11-28 02:06:58,010 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312152,312165] [2024-11-28 02:06:58,011 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312307,312320] [2024-11-28 02:06:58,012 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312471,312484] [2024-11-28 02:06:58,012 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312627,312640] [2024-11-28 02:06:58,013 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312791,312804] [2024-11-28 02:06:58,013 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312933,312946] [2024-11-28 02:06:58,014 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313091,313104] [2024-11-28 02:06:58,014 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313258,313271] [2024-11-28 02:06:58,015 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313417,313430] [2024-11-28 02:06:58,016 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313576,313589] [2024-11-28 02:06:58,017 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313725,313738] [2024-11-28 02:06:58,017 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313872,313885] [2024-11-28 02:06:58,018 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314011,314024] [2024-11-28 02:06:58,018 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314174,314187] [2024-11-28 02:06:58,019 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314340,314353] [2024-11-28 02:06:58,019 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314504,314517] [2024-11-28 02:06:58,020 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314669,314682] [2024-11-28 02:06:58,020 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314834,314847] [2024-11-28 02:06:58,020 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315000,315013] [2024-11-28 02:06:58,022 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315165,315178] [2024-11-28 02:06:58,023 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315332,315345] [2024-11-28 02:06:58,023 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315492,315505] [2024-11-28 02:06:58,024 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315654,315667] [2024-11-28 02:06:58,024 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315813,315826] [2024-11-28 02:06:58,025 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315959,315972] [2024-11-28 02:06:58,026 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316102,316115] [2024-11-28 02:06:58,026 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316246,316259] [2024-11-28 02:06:58,027 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316389,316402] [2024-11-28 02:06:58,027 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316533,316546] [2024-11-28 02:06:58,027 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316674,316687] [2024-11-28 02:06:58,028 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316812,316825] [2024-11-28 02:06:58,028 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316970,316983] [2024-11-28 02:06:58,029 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317129,317142] [2024-11-28 02:06:58,029 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317285,317298] [2024-11-28 02:06:58,030 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317434,317447] [2024-11-28 02:06:58,030 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317586,317599] [2024-11-28 02:06:58,030 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317737,317750] [2024-11-28 02:06:58,031 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317886,317899] [2024-11-28 02:06:58,032 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318038,318051] [2024-11-28 02:06:58,032 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318186,318199] [2024-11-28 02:06:58,033 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318339,318352] [2024-11-28 02:06:58,035 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318490,318503] [2024-11-28 02:06:58,035 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318640,318653] [2024-11-28 02:06:58,036 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318787,318800] [2024-11-28 02:06:58,036 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318938,318951] [2024-11-28 02:06:58,036 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319089,319102] [2024-11-28 02:06:58,038 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319237,319250] [2024-11-28 02:06:58,039 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319403,319416] [2024-11-28 02:06:58,039 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319572,319585] [2024-11-28 02:06:58,040 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319739,319752] [2024-11-28 02:06:58,040 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319907,319920] [2024-11-28 02:06:58,040 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320057,320070] [2024-11-28 02:06:58,041 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320204,320217] [2024-11-28 02:06:58,043 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320365,320378] [2024-11-28 02:06:58,044 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320535,320548] [2024-11-28 02:06:58,045 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320697,320710] [2024-11-28 02:06:58,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:06:58,111 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:06:58,253 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4177] [2024-11-28 02:06:58,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4184] [2024-11-28 02:06:58,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [4191] [2024-11-28 02:06:58,490 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307309,307322] [2024-11-28 02:06:58,491 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307454,307467] [2024-11-28 02:06:58,491 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307600,307613] [2024-11-28 02:06:58,492 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307765,307778] [2024-11-28 02:06:58,493 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[307923,307936] [2024-11-28 02:06:58,493 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308081,308094] [2024-11-28 02:06:58,494 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308239,308252] [2024-11-28 02:06:58,494 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308399,308412] [2024-11-28 02:06:58,495 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308558,308571] [2024-11-28 02:06:58,495 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308697,308710] [2024-11-28 02:06:58,496 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308839,308852] [2024-11-28 02:06:58,496 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[308988,309001] [2024-11-28 02:06:58,497 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309127,309140] [2024-11-28 02:06:58,497 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309282,309295] [2024-11-28 02:06:58,498 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309442,309455] [2024-11-28 02:06:58,498 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309593,309606] [2024-11-28 02:06:58,498 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309744,309757] [2024-11-28 02:06:58,499 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[309896,309909] [2024-11-28 02:06:58,499 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310045,310058] [2024-11-28 02:06:58,500 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310193,310206] [2024-11-28 02:06:58,500 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310350,310363] [2024-11-28 02:06:58,501 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310499,310512] [2024-11-28 02:06:58,501 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310655,310668] [2024-11-28 02:06:58,502 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310808,310821] [2024-11-28 02:06:58,502 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[310954,310967] [2024-11-28 02:06:58,503 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311097,311110] [2024-11-28 02:06:58,503 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311249,311262] [2024-11-28 02:06:58,504 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311395,311408] [2024-11-28 02:06:58,504 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311540,311553] [2024-11-28 02:06:58,504 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311694,311707] [2024-11-28 02:06:58,505 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[311845,311858] [2024-11-28 02:06:58,505 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312000,312013] [2024-11-28 02:06:58,505 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312152,312165] [2024-11-28 02:06:58,506 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312307,312320] [2024-11-28 02:06:58,506 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312471,312484] [2024-11-28 02:06:58,507 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312627,312640] [2024-11-28 02:06:58,507 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312791,312804] [2024-11-28 02:06:58,508 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[312933,312946] [2024-11-28 02:06:58,508 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313091,313104] [2024-11-28 02:06:58,509 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313258,313271] [2024-11-28 02:06:58,509 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313417,313430] [2024-11-28 02:06:58,510 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313576,313589] [2024-11-28 02:06:58,510 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313725,313738] [2024-11-28 02:06:58,511 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[313872,313885] [2024-11-28 02:06:58,511 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314011,314024] [2024-11-28 02:06:58,512 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314174,314187] [2024-11-28 02:06:58,512 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314340,314353] [2024-11-28 02:06:58,513 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314504,314517] [2024-11-28 02:06:58,513 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314669,314682] [2024-11-28 02:06:58,514 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[314834,314847] [2024-11-28 02:06:58,514 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315000,315013] [2024-11-28 02:06:58,515 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315165,315178] [2024-11-28 02:06:58,515 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315332,315345] [2024-11-28 02:06:58,516 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315492,315505] [2024-11-28 02:06:58,516 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315654,315667] [2024-11-28 02:06:58,517 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315813,315826] [2024-11-28 02:06:58,517 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[315959,315972] [2024-11-28 02:06:58,518 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316102,316115] [2024-11-28 02:06:58,518 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316246,316259] [2024-11-28 02:06:58,519 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316389,316402] [2024-11-28 02:06:58,519 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316533,316546] [2024-11-28 02:06:58,520 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316674,316687] [2024-11-28 02:06:58,521 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316812,316825] [2024-11-28 02:06:58,521 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[316970,316983] [2024-11-28 02:06:58,522 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317129,317142] [2024-11-28 02:06:58,522 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317285,317298] [2024-11-28 02:06:58,523 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317434,317447] [2024-11-28 02:06:58,523 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317586,317599] [2024-11-28 02:06:58,524 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317737,317750] [2024-11-28 02:06:58,524 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[317886,317899] [2024-11-28 02:06:58,525 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318038,318051] [2024-11-28 02:06:58,525 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318186,318199] [2024-11-28 02:06:58,526 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318339,318352] [2024-11-28 02:06:58,526 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318490,318503] [2024-11-28 02:06:58,527 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318640,318653] [2024-11-28 02:06:58,527 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318787,318800] [2024-11-28 02:06:58,528 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[318938,318951] [2024-11-28 02:06:58,528 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319089,319102] [2024-11-28 02:06:58,528 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319237,319250] [2024-11-28 02:06:58,529 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319403,319416] [2024-11-28 02:06:58,529 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319572,319585] [2024-11-28 02:06:58,530 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319739,319752] [2024-11-28 02:06:58,530 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[319907,319920] [2024-11-28 02:06:58,531 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320057,320070] [2024-11-28 02:06:58,531 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320204,320217] [2024-11-28 02:06:58,531 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320365,320378] [2024-11-28 02:06:58,532 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320535,320548] [2024-11-28 02:06:58,532 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i[320697,320710] [2024-11-28 02:06:58,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:06:58,825 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:06:58,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:58 WrapperNode [2024-11-28 02:06:58,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:06:58,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:06:58,829 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:06:58,829 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:06:58,836 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:58" (1/1) ... [2024-11-28 02:06:58,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:58" (1/1) ... [2024-11-28 02:06:59,122 INFO L138 Inliner]: procedures = 592, calls = 1952, calls flagged for inlining = 265, calls inlined = 171, statements flattened = 3426 [2024-11-28 02:06:59,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:06:59,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:06:59,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:06:59,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:06:59,134 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:58" (1/1) ... [2024-11-28 02:06:59,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:58" (1/1) ... [2024-11-28 02:06:59,167 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:58" (1/1) ... [2024-11-28 02:06:59,929 INFO L175 MemorySlicer]: Split 593 memory accesses to 24 slices as follows [49, 8, 8, 305, 3, 8, 8, 8, 2, 8, 10, 8, 7, 1, 2, 31, 8, 2, 56, 4, 4, 23, 22, 8]. 51 percent of accesses are in the largest equivalence class. The 181 initializations are split as follows [0, 8, 8, 36, 0, 8, 8, 8, 0, 8, 10, 8, 0, 1, 2, 0, 8, 0, 56, 0, 4, 0, 0, 8]. The 239 writes are split as follows [42, 0, 0, 113, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0, 31, 0, 1, 0, 1, 0, 23, 22, 0]. [2024-11-28 02:06:59,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:58" (1/1) ... [2024-11-28 02:06:59,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:58" (1/1) ... [2024-11-28 02:07:00,042 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:58" (1/1) ... [2024-11-28 02:07:00,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:58" (1/1) ... [2024-11-28 02:07:00,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:58" (1/1) ... [2024-11-28 02:07:00,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:58" (1/1) ... [2024-11-28 02:07:00,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:58" (1/1) ... [2024-11-28 02:07:00,171 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:07:00,172 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:07:00,175 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:07:00,175 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:07:00,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:58" (1/1) ... [2024-11-28 02:07:00,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:07:00,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:00,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:07:00,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:07:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2024-11-28 02:07:00,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2024-11-28 02:07:00,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-28 02:07:00,240 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-28 02:07:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure recover_from_urb_loss [2024-11-28 02:07:00,241 INFO L138 BoogieDeclarations]: Found implementation of procedure recover_from_urb_loss [2024-11-28 02:07:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_control_urb [2024-11-28 02:07:00,241 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_control_urb [2024-11-28 02:07:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-28 02:07:00,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-28 02:07:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-28 02:07:00,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-28 02:07:00,241 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2024-11-28 02:07:00,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2024-11-28 02:07:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_get_interface [2024-11-28 02:07:00,242 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_get_interface [2024-11-28 02:07:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-28 02:07:00,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-28 02:07:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2024-11-28 02:07:00,242 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2024-11-28 02:07:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2024-11-28 02:07:00,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2024-11-28 02:07:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2024-11-28 02:07:00,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2024-11-28 02:07:00,242 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_ioctl [2024-11-28 02:07:00,243 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_ioctl [2024-11-28 02:07:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-28 02:07:00,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-28 02:07:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_iuspin_of_wdm_device [2024-11-28 02:07:00,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_iuspin_of_wdm_device [2024-11-28 02:07:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-28 02:07:00,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-28 02:07:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2024-11-28 02:07:00,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2024-11-28 02:07:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 02:07:00,243 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2024-11-28 02:07:00,244 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2024-11-28 02:07:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2024-11-28 02:07:00,244 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2024-11-28 02:07:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2024-11-28 02:07:00,244 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2024-11-28 02:07:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2024-11-28 02:07:00,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2024-11-28 02:07:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2024-11-28 02:07:00,244 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2024-11-28 02:07:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2024-11-28 02:07:00,244 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2024-11-28 02:07:00,244 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2024-11-28 02:07:00,245 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2024-11-28 02:07:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2024-11-28 02:07:00,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2024-11-28 02:07:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 02:07:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 02:07:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 02:07:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 02:07:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 02:07:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 02:07:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-28 02:07:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-28 02:07:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-28 02:07:00,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-28 02:07:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-28 02:07:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-28 02:07:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-28 02:07:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-28 02:07:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-28 02:07:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-28 02:07:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-28 02:07:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-28 02:07:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-28 02:07:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-28 02:07:00,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-28 02:07:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-28 02:07:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-28 02:07:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-28 02:07:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2024-11-28 02:07:00,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2024-11-28 02:07:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-28 02:07:00,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-28 02:07:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_111 [2024-11-28 02:07:00,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_111 [2024-11-28 02:07:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-28 02:07:00,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-28 02:07:00,247 INFO L130 BoogieDeclarations]: Found specification of procedure usb_autopm_put_interface [2024-11-28 02:07:00,247 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_autopm_put_interface [2024-11-28 02:07:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:07:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 02:07:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 02:07:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 02:07:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 02:07:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 02:07:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-28 02:07:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-28 02:07:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-28 02:07:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-28 02:07:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-28 02:07:00,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-28 02:07:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-28 02:07:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-28 02:07:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-28 02:07:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-28 02:07:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-28 02:07:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-28 02:07:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-28 02:07:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-28 02:07:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-28 02:07:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-28 02:07:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-28 02:07:00,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-28 02:07:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2024-11-28 02:07:00,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2024-11-28 02:07:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2024-11-28 02:07:00,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2024-11-28 02:07:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2024-11-28 02:07:00,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2024-11-28 02:07:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2024-11-28 02:07:00,250 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2024-11-28 02:07:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_wlock_of_wdm_device [2024-11-28 02:07:00,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_wlock_of_wdm_device [2024-11-28 02:07:00,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-28 02:07:00,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-28 02:07:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure kill_urbs [2024-11-28 02:07:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_urbs [2024-11-28 02:07:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2024-11-28 02:07:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2024-11-28 02:07:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2024-11-28 02:07:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2024-11-28 02:07:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2024-11-28 02:07:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2024-11-28 02:07:00,251 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-28 02:07:00,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-28 02:07:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-28 02:07:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-28 02:07:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 02:07:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_iuspin_of_wdm_device [2024-11-28 02:07:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_iuspin_of_wdm_device [2024-11-28 02:07:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:07:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-28 02:07:00,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-28 02:07:00,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-28 02:07:00,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-28 02:07:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-28 02:07:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2024-11-28 02:07:00,254 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2024-11-28 02:07:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-28 02:07:00,254 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-28 02:07:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2024-11-28 02:07:00,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2024-11-28 02:07:00,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2024-11-28 02:07:00,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2024-11-28 02:07:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_find_device [2024-11-28 02:07:00,255 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_find_device [2024-11-28 02:07:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2024-11-28 02:07:00,255 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2024-11-28 02:07:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2024-11-28 02:07:00,255 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2024-11-28 02:07:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2024-11-28 02:07:00,255 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2024-11-28 02:07:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:07:00,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:07:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2024-11-28 02:07:00,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2024-11-28 02:07:00,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 02:07:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 02:07:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 02:07:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 02:07:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 02:07:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 02:07:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-28 02:07:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-28 02:07:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-28 02:07:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-28 02:07:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-28 02:07:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-28 02:07:00,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-28 02:07:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-28 02:07:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-28 02:07:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-28 02:07:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-28 02:07:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-28 02:07:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-28 02:07:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-28 02:07:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-28 02:07:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-28 02:07:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-28 02:07:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-28 02:07:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-28 02:07:00,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-28 02:07:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-28 02:07:00,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-28 02:07:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_create [2024-11-28 02:07:00,257 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_create [2024-11-28 02:07:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_128 [2024-11-28 02:07:00,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_128 [2024-11-28 02:07:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2024-11-28 02:07:00,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2024-11-28 02:07:00,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2024-11-28 02:07:00,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure clear_wdm_read_flag [2024-11-28 02:07:00,258 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_wdm_read_flag [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2024-11-28 02:07:00,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-28 02:07:00,258 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-28 02:07:00,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_disconnect [2024-11-28 02:07:00,258 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_disconnect [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-28 02:07:00,258 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-28 02:07:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-28 02:07:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-28 02:07:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-28 02:07:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-28 02:07:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-28 02:07:00,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-28 02:07:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-28 02:07:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-28 02:07:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-28 02:07:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-28 02:07:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-28 02:07:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 02:07:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 02:07:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 02:07:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 02:07:00,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 02:07:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 02:07:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-28 02:07:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-28 02:07:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-28 02:07:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-28 02:07:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-28 02:07:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-28 02:07:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-28 02:07:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-28 02:07:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-28 02:07:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-28 02:07:00,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-28 02:07:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-28 02:07:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-28 02:07:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-28 02:07:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-28 02:07:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-28 02:07:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-28 02:07:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-28 02:07:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_wdm_mutex [2024-11-28 02:07:00,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_wdm_mutex [2024-11-28 02:07:00,262 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2024-11-28 02:07:00,262 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2024-11-28 02:07:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-28 02:07:00,263 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-28 02:07:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2024-11-28 02:07:00,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2024-11-28 02:07:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-28 02:07:00,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-28 02:07:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_rlock_of_wdm_device [2024-11-28 02:07:00,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_rlock_of_wdm_device [2024-11-28 02:07:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-28 02:07:00,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-28 02:07:00,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-28 02:07:00,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-28 02:07:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2024-11-28 02:07:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2024-11-28 02:07:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2024-11-28 02:07:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2024-11-28 02:07:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-28 02:07:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-28 02:07:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-28 02:07:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2024-11-28 02:07:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2024-11-28 02:07:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2024-11-28 02:07:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2024-11-28 02:07:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2024-11-28 02:07:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-28 02:07:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-28 02:07:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2024-11-28 02:07:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2024-11-28 02:07:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_wdm_mutex [2024-11-28 02:07:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_wdm_mutex [2024-11-28 02:07:00,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-28 02:07:00,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-28 02:07:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-28 02:07:00,265 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-28 02:07:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-28 02:07:00,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2024-11-28 02:07:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 02:07:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 02:07:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 02:07:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 02:07:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 02:07:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 02:07:00,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-28 02:07:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-28 02:07:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-28 02:07:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-28 02:07:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-28 02:07:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-28 02:07:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-28 02:07:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-28 02:07:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-28 02:07:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-28 02:07:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-28 02:07:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-28 02:07:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-28 02:07:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-28 02:07:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-28 02:07:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-28 02:07:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-28 02:07:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-28 02:07:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-28 02:07:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-28 02:07:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-28 02:07:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-28 02:07:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_95 [2024-11-28 02:07:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_95 [2024-11-28 02:07:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure wdm_resume [2024-11-28 02:07:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure wdm_resume [2024-11-28 02:07:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-28 02:07:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-28 02:07:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_96 [2024-11-28 02:07:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_96 [2024-11-28 02:07:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_rlock_of_wdm_device [2024-11-28 02:07:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_rlock_of_wdm_device [2024-11-28 02:07:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2024-11-28 02:07:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2024-11-28 02:07:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-28 02:07:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-28 02:07:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-28 02:07:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2024-11-28 02:07:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-28 02:07:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-28 02:07:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-28 02:07:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_wlock_of_wdm_device [2024-11-28 02:07:00,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_wlock_of_wdm_device [2024-11-28 02:07:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_110 [2024-11-28 02:07:00,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_110 [2024-11-28 02:07:01,212 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:07:01,215 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:07:01,280 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-28 02:07:11,790 INFO L? ?]: Removed 1503 outVars from TransFormulas that were not future-live. [2024-11-28 02:07:11,790 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:07:11,841 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:07:11,841 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:07:11,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:11 BoogieIcfgContainer [2024-11-28 02:07:11,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:07:11,847 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:07:11,847 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:07:11,856 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:07:11,856 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:06:54" (1/3) ... [2024-11-28 02:07:11,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a997805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:07:11, skipping insertion in model container [2024-11-28 02:07:11,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:06:58" (2/3) ... [2024-11-28 02:07:11,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a997805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:07:11, skipping insertion in model container [2024-11-28 02:07:11,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:07:11" (3/3) ... [2024-11-28 02:07:11,859 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i [2024-11-28 02:07:11,881 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:07:11,886 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.0-rc1---drivers--usb--class--cdc-wdm.ko.cil.i that has 98 procedures, 1414 locations, 1 initial locations, 0 loop locations, and 30 error locations. [2024-11-28 02:07:12,033 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:07:12,051 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5ed013c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:07:12,052 INFO L334 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2024-11-28 02:07:12,064 INFO L276 IsEmpty]: Start isEmpty. Operand has 1413 states, 887 states have (on average 1.2525366403607667) internal successors, (1111), 941 states have internal predecessors, (1111), 399 states have call successors, (399), 97 states have call predecessors, (399), 96 states have return successors, (394), 391 states have call predecessors, (394), 394 states have call successors, (394) [2024-11-28 02:07:12,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-28 02:07:12,078 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:12,079 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:12,080 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:07:12,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:12,088 INFO L85 PathProgramCache]: Analyzing trace with hash 259012346, now seen corresponding path program 1 times [2024-11-28 02:07:12,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:12,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587407297] [2024-11-28 02:07:12,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:12,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:15,712 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:07:15,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:15,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587407297] [2024-11-28 02:07:15,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587407297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:15,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:15,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:15,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737401003] [2024-11-28 02:07:15,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:15,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:15,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:15,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:15,745 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:15,751 INFO L87 Difference]: Start difference. First operand has 1413 states, 887 states have (on average 1.2525366403607667) internal successors, (1111), 941 states have internal predecessors, (1111), 399 states have call successors, (399), 97 states have call predecessors, (399), 96 states have return successors, (394), 391 states have call predecessors, (394), 394 states have call successors, (394) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 02:07:16,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:16,185 INFO L93 Difference]: Finished difference Result 2759 states and 3865 transitions. [2024-11-28 02:07:16,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:16,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 2 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 [2024-11-28 02:07:16,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:16,214 INFO L225 Difference]: With dead ends: 2759 [2024-11-28 02:07:16,214 INFO L226 Difference]: Without dead ends: 1395 [2024-11-28 02:07:16,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:16,228 INFO L435 NwaCegarLoop]: 1863 mSDtfsCounter, 1833 mSDsluCounter, 1862 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1833 SdHoareTripleChecker+Valid, 3725 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:16,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1833 Valid, 3725 Invalid, 4 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:16,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2024-11-28 02:07:16,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1395. [2024-11-28 02:07:16,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1395 states, 877 states have (on average 1.209806157354618) internal successors, (1061), 926 states have internal predecessors, (1061), 394 states have call successors, (394), 96 states have call predecessors, (394), 95 states have return successors, (392), 389 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-28 02:07:16,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1847 transitions. [2024-11-28 02:07:16,471 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1847 transitions. Word has length 71 [2024-11-28 02:07:16,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:16,473 INFO L471 AbstractCegarLoop]: Abstraction has 1395 states and 1847 transitions. [2024-11-28 02:07:16,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-28 02:07:16,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1847 transitions. [2024-11-28 02:07:16,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-28 02:07:16,479 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:16,479 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:16,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:07:16,479 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:07:16,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:16,480 INFO L85 PathProgramCache]: Analyzing trace with hash -618618339, now seen corresponding path program 1 times [2024-11-28 02:07:16,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:16,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953719263] [2024-11-28 02:07:16,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:16,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:19,444 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:07:19,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:19,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953719263] [2024-11-28 02:07:19,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953719263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:19,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:19,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:19,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180269447] [2024-11-28 02:07:19,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:19,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:19,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:19,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:19,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:19,449 INFO L87 Difference]: Start difference. First operand 1395 states and 1847 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:07:19,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:19,668 INFO L93 Difference]: Finished difference Result 1395 states and 1847 transitions. [2024-11-28 02:07:19,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:19,669 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 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 [2024-11-28 02:07:19,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:19,691 INFO L225 Difference]: With dead ends: 1395 [2024-11-28 02:07:19,691 INFO L226 Difference]: Without dead ends: 1393 [2024-11-28 02:07:19,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:19,695 INFO L435 NwaCegarLoop]: 1843 mSDtfsCounter, 1812 mSDsluCounter, 1842 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1812 SdHoareTripleChecker+Valid, 3685 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:19,695 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1812 Valid, 3685 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:19,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1393 states. [2024-11-28 02:07:19,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1393 to 1393. [2024-11-28 02:07:19,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1393 states, 876 states have (on average 1.2089041095890412) internal successors, (1059), 924 states have internal predecessors, (1059), 394 states have call successors, (394), 96 states have call predecessors, (394), 95 states have return successors, (392), 389 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-28 02:07:19,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1393 states and 1845 transitions. [2024-11-28 02:07:19,812 INFO L78 Accepts]: Start accepts. Automaton has 1393 states and 1845 transitions. Word has length 77 [2024-11-28 02:07:19,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:19,812 INFO L471 AbstractCegarLoop]: Abstraction has 1393 states and 1845 transitions. [2024-11-28 02:07:19,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-28 02:07:19,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1393 states and 1845 transitions. [2024-11-28 02:07:19,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-28 02:07:19,814 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:19,814 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:19,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:07:19,815 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:07:19,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:19,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1021856508, now seen corresponding path program 1 times [2024-11-28 02:07:19,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:19,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194219473] [2024-11-28 02:07:19,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:19,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:21,749 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:07:21,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:21,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194219473] [2024-11-28 02:07:21,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194219473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:21,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:21,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:21,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667308303] [2024-11-28 02:07:21,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:21,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:21,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:21,751 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:21,751 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:21,751 INFO L87 Difference]: Start difference. First operand 1393 states and 1845 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 02:07:21,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:21,908 INFO L93 Difference]: Finished difference Result 1393 states and 1845 transitions. [2024-11-28 02:07:21,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:21,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 2 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 [2024-11-28 02:07:21,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:21,921 INFO L225 Difference]: With dead ends: 1393 [2024-11-28 02:07:21,921 INFO L226 Difference]: Without dead ends: 1391 [2024-11-28 02:07:21,922 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:21,926 INFO L435 NwaCegarLoop]: 1841 mSDtfsCounter, 1809 mSDsluCounter, 1840 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1809 SdHoareTripleChecker+Valid, 3681 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:21,926 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1809 Valid, 3681 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:21,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1391 states. [2024-11-28 02:07:22,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1391 to 1391. [2024-11-28 02:07:22,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1391 states, 875 states have (on average 1.208) internal successors, (1057), 922 states have internal predecessors, (1057), 394 states have call successors, (394), 96 states have call predecessors, (394), 95 states have return successors, (392), 389 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-28 02:07:22,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1391 states to 1391 states and 1843 transitions. [2024-11-28 02:07:22,021 INFO L78 Accepts]: Start accepts. Automaton has 1391 states and 1843 transitions. Word has length 83 [2024-11-28 02:07:22,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:22,023 INFO L471 AbstractCegarLoop]: Abstraction has 1391 states and 1843 transitions. [2024-11-28 02:07:22,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-28 02:07:22,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1391 states and 1843 transitions. [2024-11-28 02:07:22,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-28 02:07:22,028 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:22,028 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:22,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:07:22,029 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:07:22,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:22,029 INFO L85 PathProgramCache]: Analyzing trace with hash -553537469, now seen corresponding path program 1 times [2024-11-28 02:07:22,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:22,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544570739] [2024-11-28 02:07:22,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:22,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:24,102 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:07:24,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:24,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544570739] [2024-11-28 02:07:24,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544570739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:24,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:24,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:24,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766567708] [2024-11-28 02:07:24,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:24,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:24,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:24,103 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:24,103 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:24,103 INFO L87 Difference]: Start difference. First operand 1391 states and 1843 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 02:07:24,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:24,294 INFO L93 Difference]: Finished difference Result 1391 states and 1843 transitions. [2024-11-28 02:07:24,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:24,294 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 2 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 [2024-11-28 02:07:24,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:24,309 INFO L225 Difference]: With dead ends: 1391 [2024-11-28 02:07:24,310 INFO L226 Difference]: Without dead ends: 1389 [2024-11-28 02:07:24,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:24,313 INFO L435 NwaCegarLoop]: 1839 mSDtfsCounter, 1806 mSDsluCounter, 1838 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1806 SdHoareTripleChecker+Valid, 3677 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:24,315 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1806 Valid, 3677 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:24,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1389 states. [2024-11-28 02:07:24,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1389 to 1389. [2024-11-28 02:07:24,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1389 states, 874 states have (on average 1.2070938215102975) internal successors, (1055), 920 states have internal predecessors, (1055), 394 states have call successors, (394), 96 states have call predecessors, (394), 95 states have return successors, (392), 389 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-28 02:07:24,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1389 states and 1841 transitions. [2024-11-28 02:07:24,440 INFO L78 Accepts]: Start accepts. Automaton has 1389 states and 1841 transitions. Word has length 89 [2024-11-28 02:07:24,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:24,441 INFO L471 AbstractCegarLoop]: Abstraction has 1389 states and 1841 transitions. [2024-11-28 02:07:24,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-28 02:07:24,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1389 states and 1841 transitions. [2024-11-28 02:07:24,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-28 02:07:24,448 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:24,448 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:24,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 02:07:24,448 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:07:24,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:24,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1650418483, now seen corresponding path program 1 times [2024-11-28 02:07:24,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:24,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517947877] [2024-11-28 02:07:24,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:24,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:26,991 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:07:26,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:26,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517947877] [2024-11-28 02:07:26,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517947877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:26,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:26,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:26,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233202313] [2024-11-28 02:07:26,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:26,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:26,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:26,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:26,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:26,996 INFO L87 Difference]: Start difference. First operand 1389 states and 1841 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-28 02:07:27,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:27,193 INFO L93 Difference]: Finished difference Result 1389 states and 1841 transitions. [2024-11-28 02:07:27,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:27,194 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 2 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 [2024-11-28 02:07:27,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:27,208 INFO L225 Difference]: With dead ends: 1389 [2024-11-28 02:07:27,208 INFO L226 Difference]: Without dead ends: 1387 [2024-11-28 02:07:27,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:27,210 INFO L435 NwaCegarLoop]: 1837 mSDtfsCounter, 1803 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1803 SdHoareTripleChecker+Valid, 3673 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:27,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1803 Valid, 3673 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:27,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1387 states. [2024-11-28 02:07:27,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1387 to 1387. [2024-11-28 02:07:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1387 states, 873 states have (on average 1.2061855670103092) internal successors, (1053), 918 states have internal predecessors, (1053), 394 states have call successors, (394), 96 states have call predecessors, (394), 95 states have return successors, (392), 389 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-28 02:07:27,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1387 states and 1839 transitions. [2024-11-28 02:07:27,338 INFO L78 Accepts]: Start accepts. Automaton has 1387 states and 1839 transitions. Word has length 95 [2024-11-28 02:07:27,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:27,339 INFO L471 AbstractCegarLoop]: Abstraction has 1387 states and 1839 transitions. [2024-11-28 02:07:27,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-28 02:07:27,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1387 states and 1839 transitions. [2024-11-28 02:07:27,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-28 02:07:27,341 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:27,341 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:27,341 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 02:07:27,342 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:07:27,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:27,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1930536529, now seen corresponding path program 1 times [2024-11-28 02:07:27,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:27,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273731356] [2024-11-28 02:07:27,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:27,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:29,277 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:07:29,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:29,278 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273731356] [2024-11-28 02:07:29,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273731356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:29,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:29,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:29,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245823253] [2024-11-28 02:07:29,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:29,280 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:29,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:29,282 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:29,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:29,282 INFO L87 Difference]: Start difference. First operand 1387 states and 1839 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:07:29,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:29,498 INFO L93 Difference]: Finished difference Result 1387 states and 1839 transitions. [2024-11-28 02:07:29,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:29,499 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 2 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 [2024-11-28 02:07:29,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:29,510 INFO L225 Difference]: With dead ends: 1387 [2024-11-28 02:07:29,510 INFO L226 Difference]: Without dead ends: 1385 [2024-11-28 02:07:29,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:29,513 INFO L435 NwaCegarLoop]: 1835 mSDtfsCounter, 1800 mSDsluCounter, 1834 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1800 SdHoareTripleChecker+Valid, 3669 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:29,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1800 Valid, 3669 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:29,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1385 states. [2024-11-28 02:07:29,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1385 to 1385. [2024-11-28 02:07:29,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1385 states, 872 states have (on average 1.2052752293577982) internal successors, (1051), 916 states have internal predecessors, (1051), 394 states have call successors, (394), 96 states have call predecessors, (394), 95 states have return successors, (392), 389 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-28 02:07:29,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1385 states and 1837 transitions. [2024-11-28 02:07:29,653 INFO L78 Accepts]: Start accepts. Automaton has 1385 states and 1837 transitions. Word has length 101 [2024-11-28 02:07:29,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:29,654 INFO L471 AbstractCegarLoop]: Abstraction has 1385 states and 1837 transitions. [2024-11-28 02:07:29,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:07:29,654 INFO L276 IsEmpty]: Start isEmpty. Operand 1385 states and 1837 transitions. [2024-11-28 02:07:29,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-28 02:07:29,656 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:29,656 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:29,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 02:07:29,656 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:07:29,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:29,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1214396911, now seen corresponding path program 1 times [2024-11-28 02:07:29,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:29,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039650845] [2024-11-28 02:07:29,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:29,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:31,907 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:07:31,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:31,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039650845] [2024-11-28 02:07:31,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039650845] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:31,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:31,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:31,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996911033] [2024-11-28 02:07:31,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:31,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:31,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:31,910 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:31,910 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:31,910 INFO L87 Difference]: Start difference. First operand 1385 states and 1837 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:07:32,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:32,118 INFO L93 Difference]: Finished difference Result 1385 states and 1837 transitions. [2024-11-28 02:07:32,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:32,118 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 2 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 [2024-11-28 02:07:32,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:32,130 INFO L225 Difference]: With dead ends: 1385 [2024-11-28 02:07:32,130 INFO L226 Difference]: Without dead ends: 1383 [2024-11-28 02:07:32,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:32,132 INFO L435 NwaCegarLoop]: 1833 mSDtfsCounter, 1797 mSDsluCounter, 1832 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1797 SdHoareTripleChecker+Valid, 3665 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:32,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1797 Valid, 3665 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:32,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1383 states. [2024-11-28 02:07:32,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1383 to 1383. [2024-11-28 02:07:32,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1383 states, 871 states have (on average 1.2043628013777268) internal successors, (1049), 914 states have internal predecessors, (1049), 394 states have call successors, (394), 96 states have call predecessors, (394), 95 states have return successors, (392), 389 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-28 02:07:32,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1383 states and 1835 transitions. [2024-11-28 02:07:32,308 INFO L78 Accepts]: Start accepts. Automaton has 1383 states and 1835 transitions. Word has length 107 [2024-11-28 02:07:32,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:32,309 INFO L471 AbstractCegarLoop]: Abstraction has 1383 states and 1835 transitions. [2024-11-28 02:07:32,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:07:32,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1383 states and 1835 transitions. [2024-11-28 02:07:32,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-28 02:07:32,315 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:32,315 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:32,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 02:07:32,315 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:07:32,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:32,316 INFO L85 PathProgramCache]: Analyzing trace with hash 67516628, now seen corresponding path program 1 times [2024-11-28 02:07:32,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:32,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851374050] [2024-11-28 02:07:32,317 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:32,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:34,739 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:07:34,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:34,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851374050] [2024-11-28 02:07:34,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851374050] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:34,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:34,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:34,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577153080] [2024-11-28 02:07:34,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:34,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:34,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:34,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:34,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:34,741 INFO L87 Difference]: Start difference. First operand 1383 states and 1835 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:07:34,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:34,990 INFO L93 Difference]: Finished difference Result 1383 states and 1835 transitions. [2024-11-28 02:07:34,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:34,990 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 2 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 [2024-11-28 02:07:34,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:35,002 INFO L225 Difference]: With dead ends: 1383 [2024-11-28 02:07:35,003 INFO L226 Difference]: Without dead ends: 1381 [2024-11-28 02:07:35,005 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:35,006 INFO L435 NwaCegarLoop]: 1831 mSDtfsCounter, 1794 mSDsluCounter, 1830 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1794 SdHoareTripleChecker+Valid, 3661 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:35,007 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1794 Valid, 3661 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:35,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1381 states. [2024-11-28 02:07:35,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1381 to 1381. [2024-11-28 02:07:35,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1381 states, 870 states have (on average 1.203448275862069) internal successors, (1047), 912 states have internal predecessors, (1047), 394 states have call successors, (394), 96 states have call predecessors, (394), 95 states have return successors, (392), 389 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-28 02:07:35,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1833 transitions. [2024-11-28 02:07:35,168 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1833 transitions. Word has length 113 [2024-11-28 02:07:35,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:35,169 INFO L471 AbstractCegarLoop]: Abstraction has 1381 states and 1833 transitions. [2024-11-28 02:07:35,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:07:35,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1833 transitions. [2024-11-28 02:07:35,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-28 02:07:35,175 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:35,175 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:35,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 02:07:35,175 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:07:35,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:35,176 INFO L85 PathProgramCache]: Analyzing trace with hash 459121751, now seen corresponding path program 1 times [2024-11-28 02:07:35,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:35,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771973705] [2024-11-28 02:07:35,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:35,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:36,936 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:07:36,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:36,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771973705] [2024-11-28 02:07:36,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771973705] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:36,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:36,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:36,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594352400] [2024-11-28 02:07:36,937 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:36,938 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:36,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:36,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:36,939 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:36,939 INFO L87 Difference]: Start difference. First operand 1381 states and 1833 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:07:37,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:37,159 INFO L93 Difference]: Finished difference Result 1381 states and 1833 transitions. [2024-11-28 02:07:37,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:37,160 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 2 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 [2024-11-28 02:07:37,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:37,172 INFO L225 Difference]: With dead ends: 1381 [2024-11-28 02:07:37,172 INFO L226 Difference]: Without dead ends: 1379 [2024-11-28 02:07:37,174 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:37,176 INFO L435 NwaCegarLoop]: 1829 mSDtfsCounter, 1790 mSDsluCounter, 1828 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1790 SdHoareTripleChecker+Valid, 3657 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:37,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1790 Valid, 3657 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:37,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1379 states. [2024-11-28 02:07:37,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1379 to 1379. [2024-11-28 02:07:37,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1379 states, 869 states have (on average 1.2025316455696202) internal successors, (1045), 910 states have internal predecessors, (1045), 394 states have call successors, (394), 96 states have call predecessors, (394), 95 states have return successors, (392), 389 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-28 02:07:37,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 1831 transitions. [2024-11-28 02:07:37,333 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 1831 transitions. Word has length 115 [2024-11-28 02:07:37,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:37,333 INFO L471 AbstractCegarLoop]: Abstraction has 1379 states and 1831 transitions. [2024-11-28 02:07:37,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-28 02:07:37,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1831 transitions. [2024-11-28 02:07:37,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-28 02:07:37,337 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:37,337 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:37,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 02:07:37,337 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:07:37,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:37,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1794358172, now seen corresponding path program 1 times [2024-11-28 02:07:37,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:37,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1991218733] [2024-11-28 02:07:37,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:37,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:39,524 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-28 02:07:39,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:39,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1991218733] [2024-11-28 02:07:39,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1991218733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:39,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:39,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:07:39,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034008989] [2024-11-28 02:07:39,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:39,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:07:39,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:39,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:07:39,527 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:07:39,528 INFO L87 Difference]: Start difference. First operand 1379 states and 1831 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-28 02:07:39,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:39,806 INFO L93 Difference]: Finished difference Result 2546 states and 3357 transitions. [2024-11-28 02:07:39,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:07:39,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 155 [2024-11-28 02:07:39,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:39,819 INFO L225 Difference]: With dead ends: 2546 [2024-11-28 02:07:39,819 INFO L226 Difference]: Without dead ends: 1375 [2024-11-28 02:07:39,824 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:07:39,826 INFO L435 NwaCegarLoop]: 1825 mSDtfsCounter, 1814 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1814 SdHoareTripleChecker+Valid, 1825 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 [2024-11-28 02:07:39,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1814 Valid, 1825 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:39,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1375 states. [2024-11-28 02:07:39,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1375 to 1375. [2024-11-28 02:07:39,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1375 states, 866 states have (on average 1.2009237875288683) internal successors, (1040), 906 states have internal predecessors, (1040), 394 states have call successors, (394), 96 states have call predecessors, (394), 95 states have return successors, (392), 389 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-28 02:07:40,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1375 states to 1375 states and 1826 transitions. [2024-11-28 02:07:40,012 INFO L78 Accepts]: Start accepts. Automaton has 1375 states and 1826 transitions. Word has length 155 [2024-11-28 02:07:40,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:40,015 INFO L471 AbstractCegarLoop]: Abstraction has 1375 states and 1826 transitions. [2024-11-28 02:07:40,016 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-28 02:07:40,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1375 states and 1826 transitions. [2024-11-28 02:07:40,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-28 02:07:40,018 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:40,022 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:40,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-28 02:07:40,022 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:07:40,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:40,023 INFO L85 PathProgramCache]: Analyzing trace with hash -114925961, now seen corresponding path program 1 times [2024-11-28 02:07:40,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:40,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135520793] [2024-11-28 02:07:40,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:40,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:42,181 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:07:42,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:42,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135520793] [2024-11-28 02:07:42,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135520793] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:42,183 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:42,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:07:42,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628061370] [2024-11-28 02:07:42,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:42,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:07:42,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:42,184 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:07:42,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:07:42,186 INFO L87 Difference]: Start difference. First operand 1375 states and 1826 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 02:07:42,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:42,380 INFO L93 Difference]: Finished difference Result 1375 states and 1826 transitions. [2024-11-28 02:07:42,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:07:42,381 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 2 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 [2024-11-28 02:07:42,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:42,391 INFO L225 Difference]: With dead ends: 1375 [2024-11-28 02:07:42,392 INFO L226 Difference]: Without dead ends: 1373 [2024-11-28 02:07:42,394 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:42,395 INFO L435 NwaCegarLoop]: 1822 mSDtfsCounter, 1784 mSDsluCounter, 1821 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1784 SdHoareTripleChecker+Valid, 3643 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:42,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1784 Valid, 3643 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:07:42,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2024-11-28 02:07:42,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1373. [2024-11-28 02:07:42,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1373 states, 865 states have (on average 1.2) internal successors, (1038), 904 states have internal predecessors, (1038), 394 states have call successors, (394), 96 states have call predecessors, (394), 95 states have return successors, (392), 389 states have call predecessors, (392), 392 states have call successors, (392) [2024-11-28 02:07:42,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1373 states and 1824 transitions. [2024-11-28 02:07:42,593 INFO L78 Accepts]: Start accepts. Automaton has 1373 states and 1824 transitions. Word has length 121 [2024-11-28 02:07:42,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:42,594 INFO L471 AbstractCegarLoop]: Abstraction has 1373 states and 1824 transitions. [2024-11-28 02:07:42,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 02:07:42,594 INFO L276 IsEmpty]: Start isEmpty. Operand 1373 states and 1824 transitions. [2024-11-28 02:07:42,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-28 02:07:42,598 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:42,598 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 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] [2024-11-28 02:07:42,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-28 02:07:42,599 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:07:42,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:42,599 INFO L85 PathProgramCache]: Analyzing trace with hash -1347862726, now seen corresponding path program 1 times [2024-11-28 02:07:42,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:42,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135336670] [2024-11-28 02:07:42,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:42,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:44,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:45,251 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-11-28 02:07:45,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:45,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135336670] [2024-11-28 02:07:45,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135336670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:45,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:45,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:07:45,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279361723] [2024-11-28 02:07:45,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:45,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:07:45,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:45,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:07:45,253 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:07:45,253 INFO L87 Difference]: Start difference. First operand 1373 states and 1824 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:07:45,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:45,693 INFO L93 Difference]: Finished difference Result 1601 states and 2051 transitions. [2024-11-28 02:07:45,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:07:45,694 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 153 [2024-11-28 02:07:45,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:45,705 INFO L225 Difference]: With dead ends: 1601 [2024-11-28 02:07:45,705 INFO L226 Difference]: Without dead ends: 1599 [2024-11-28 02:07:45,706 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:07:45,708 INFO L435 NwaCegarLoop]: 1911 mSDtfsCounter, 1604 mSDsluCounter, 4213 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1605 SdHoareTripleChecker+Valid, 6124 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:07:45,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1605 Valid, 6124 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:45,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1599 states. [2024-11-28 02:07:45,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1599 to 1585. [2024-11-28 02:07:45,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1585 states, 1004 states have (on average 1.1872509960159363) internal successors, (1192), 1043 states have internal predecessors, (1192), 426 states have call successors, (426), 137 states have call predecessors, (426), 136 states have return successors, (424), 421 states have call predecessors, (424), 424 states have call successors, (424) [2024-11-28 02:07:45,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1585 states and 2042 transitions. [2024-11-28 02:07:45,906 INFO L78 Accepts]: Start accepts. Automaton has 1585 states and 2042 transitions. Word has length 153 [2024-11-28 02:07:45,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:45,906 INFO L471 AbstractCegarLoop]: Abstraction has 1585 states and 2042 transitions. [2024-11-28 02:07:45,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:07:45,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2042 transitions. [2024-11-28 02:07:45,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-28 02:07:45,910 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:45,910 INFO L218 NwaCegarLoop]: 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] [2024-11-28 02:07:45,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-28 02:07:45,911 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:07:45,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:45,912 INFO L85 PathProgramCache]: Analyzing trace with hash 2072573779, now seen corresponding path program 1 times [2024-11-28 02:07:45,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:45,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915078169] [2024-11-28 02:07:45,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:45,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:47,705 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-28 02:07:47,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:47,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915078169] [2024-11-28 02:07:47,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915078169] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:07:47,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466561988] [2024-11-28 02:07:47,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:47,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:47,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:07:47,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:07:47,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 02:07:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:50,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 2866 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 02:07:50,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:07:50,706 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-28 02:07:50,706 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 02:07:50,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466561988] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:50,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 02:07:50,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-28 02:07:50,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697468797] [2024-11-28 02:07:50,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:50,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:07:50,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:50,708 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:07:50,709 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:07:50,709 INFO L87 Difference]: Start difference. First operand 1585 states and 2042 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:07:50,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:07:50,998 INFO L93 Difference]: Finished difference Result 2981 states and 3807 transitions. [2024-11-28 02:07:50,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:07:50,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 161 [2024-11-28 02:07:50,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:07:51,014 INFO L225 Difference]: With dead ends: 2981 [2024-11-28 02:07:51,015 INFO L226 Difference]: Without dead ends: 1637 [2024-11-28 02:07:51,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:07:51,021 INFO L435 NwaCegarLoop]: 1883 mSDtfsCounter, 1801 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1801 SdHoareTripleChecker+Valid, 1950 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 [2024-11-28 02:07:51,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1801 Valid, 1950 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:07:51,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1637 states. [2024-11-28 02:07:51,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1637 to 1634. [2024-11-28 02:07:51,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1634 states, 1033 states have (on average 1.1829622458857696) internal successors, (1222), 1075 states have internal predecessors, (1222), 441 states have call successors, (441), 143 states have call predecessors, (441), 142 states have return successors, (439), 434 states have call predecessors, (439), 439 states have call successors, (439) [2024-11-28 02:07:51,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2102 transitions. [2024-11-28 02:07:51,291 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2102 transitions. Word has length 161 [2024-11-28 02:07:51,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:07:51,291 INFO L471 AbstractCegarLoop]: Abstraction has 1634 states and 2102 transitions. [2024-11-28 02:07:51,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:07:51,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2102 transitions. [2024-11-28 02:07:51,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 02:07:51,298 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:07:51,298 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:07:51,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 02:07:51,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:07:51,499 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:07:51,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:07:51,499 INFO L85 PathProgramCache]: Analyzing trace with hash 866765340, now seen corresponding path program 1 times [2024-11-28 02:07:51,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:07:51,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490188144] [2024-11-28 02:07:51,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:07:51,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:07:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:07:55,121 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-28 02:07:55,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:07:55,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490188144] [2024-11-28 02:07:55,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490188144] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:07:55,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:07:55,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:07:55,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733904121] [2024-11-28 02:07:55,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:07:55,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:07:55,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:07:55,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:07:55,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:07:55,125 INFO L87 Difference]: Start difference. First operand 1634 states and 2102 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:07:59,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:08:05,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:05,321 INFO L93 Difference]: Finished difference Result 3158 states and 4075 transitions. [2024-11-28 02:08:05,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 02:08:05,322 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (18), 2 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 166 [2024-11-28 02:08:05,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:05,335 INFO L225 Difference]: With dead ends: 3158 [2024-11-28 02:08:05,336 INFO L226 Difference]: Without dead ends: 1634 [2024-11-28 02:08:05,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:08:05,344 INFO L435 NwaCegarLoop]: 1815 mSDtfsCounter, 1775 mSDsluCounter, 4655 mSDsCounter, 0 mSdLazyCounter, 797 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1776 SdHoareTripleChecker+Valid, 6470 SdHoareTripleChecker+Invalid, 798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 797 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:05,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1776 Valid, 6470 Invalid, 798 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 797 Invalid, 1 Unknown, 0 Unchecked, 9.6s Time] [2024-11-28 02:08:05,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1634 states. [2024-11-28 02:08:05,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1634 to 1634. [2024-11-28 02:08:05,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1634 states, 1033 states have (on average 1.181026137463698) internal successors, (1220), 1075 states have internal predecessors, (1220), 441 states have call successors, (441), 143 states have call predecessors, (441), 142 states have return successors, (439), 434 states have call predecessors, (439), 439 states have call successors, (439) [2024-11-28 02:08:05,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2100 transitions. [2024-11-28 02:08:05,576 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2100 transitions. Word has length 166 [2024-11-28 02:08:05,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:05,577 INFO L471 AbstractCegarLoop]: Abstraction has 1634 states and 2100 transitions. [2024-11-28 02:08:05,577 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-28 02:08:05,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2100 transitions. [2024-11-28 02:08:05,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-28 02:08:05,581 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:05,581 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:05,581 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-28 02:08:05,581 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:08:05,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:05,582 INFO L85 PathProgramCache]: Analyzing trace with hash 866824922, now seen corresponding path program 1 times [2024-11-28 02:08:05,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:05,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898930471] [2024-11-28 02:08:05,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:05,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:07,486 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-28 02:08:07,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:07,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898930471] [2024-11-28 02:08:07,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898930471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:07,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:07,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:08:07,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771262372] [2024-11-28 02:08:07,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:07,487 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:08:07,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:07,487 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:08:07,487 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:08:07,487 INFO L87 Difference]: Start difference. First operand 1634 states and 2100 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:08:07,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:07,738 INFO L93 Difference]: Finished difference Result 1634 states and 2100 transitions. [2024-11-28 02:08:07,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:08:07,739 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, (18), 1 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 166 [2024-11-28 02:08:07,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:07,752 INFO L225 Difference]: With dead ends: 1634 [2024-11-28 02:08:07,752 INFO L226 Difference]: Without dead ends: 1632 [2024-11-28 02:08:07,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:08:07,756 INFO L435 NwaCegarLoop]: 1814 mSDtfsCounter, 0 mSDsluCounter, 3625 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5439 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:07,756 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5439 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:08:07,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2024-11-28 02:08:07,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1632. [2024-11-28 02:08:07,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1032 states have (on average 1.179263565891473) internal successors, (1217), 1073 states have internal predecessors, (1217), 441 states have call successors, (441), 143 states have call predecessors, (441), 142 states have return successors, (439), 434 states have call predecessors, (439), 439 states have call successors, (439) [2024-11-28 02:08:07,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2097 transitions. [2024-11-28 02:08:07,979 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2097 transitions. Word has length 166 [2024-11-28 02:08:07,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:07,979 INFO L471 AbstractCegarLoop]: Abstraction has 1632 states and 2097 transitions. [2024-11-28 02:08:07,980 INFO L472 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, (18), 1 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-28 02:08:07,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2097 transitions. [2024-11-28 02:08:07,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-28 02:08:07,982 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:07,983 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:07,984 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-28 02:08:07,984 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:08:07,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:07,985 INFO L85 PathProgramCache]: Analyzing trace with hash 556466230, now seen corresponding path program 1 times [2024-11-28 02:08:07,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:07,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145982782] [2024-11-28 02:08:07,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:07,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:09,708 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:08:09,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:09,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145982782] [2024-11-28 02:08:09,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145982782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:09,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:09,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:08:09,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588693032] [2024-11-28 02:08:09,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:09,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:08:09,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:09,711 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:08:09,711 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:08:09,712 INFO L87 Difference]: Start difference. First operand 1632 states and 2097 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:08:10,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:10,020 INFO L93 Difference]: Finished difference Result 1632 states and 2097 transitions. [2024-11-28 02:08:10,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:08:10,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 2 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 [2024-11-28 02:08:10,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:10,031 INFO L225 Difference]: With dead ends: 1632 [2024-11-28 02:08:10,031 INFO L226 Difference]: Without dead ends: 1630 [2024-11-28 02:08:10,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:10,033 INFO L435 NwaCegarLoop]: 1812 mSDtfsCounter, 1773 mSDsluCounter, 1811 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1773 SdHoareTripleChecker+Valid, 3623 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:10,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1773 Valid, 3623 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:08:10,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2024-11-28 02:08:10,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1630. [2024-11-28 02:08:10,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1630 states, 1031 states have (on average 1.1784675072744908) internal successors, (1215), 1071 states have internal predecessors, (1215), 441 states have call successors, (441), 143 states have call predecessors, (441), 142 states have return successors, (439), 434 states have call predecessors, (439), 439 states have call successors, (439) [2024-11-28 02:08:10,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1630 states to 1630 states and 2095 transitions. [2024-11-28 02:08:10,264 INFO L78 Accepts]: Start accepts. Automaton has 1630 states and 2095 transitions. Word has length 127 [2024-11-28 02:08:10,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:10,265 INFO L471 AbstractCegarLoop]: Abstraction has 1630 states and 2095 transitions. [2024-11-28 02:08:10,265 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-28 02:08:10,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 2095 transitions. [2024-11-28 02:08:10,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-28 02:08:10,269 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:10,269 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:10,269 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-28 02:08:10,269 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:08:10,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:10,270 INFO L85 PathProgramCache]: Analyzing trace with hash 784438700, now seen corresponding path program 1 times [2024-11-28 02:08:10,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:10,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451613721] [2024-11-28 02:08:10,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:10,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:11,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:12,183 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-28 02:08:12,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:12,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451613721] [2024-11-28 02:08:12,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451613721] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:12,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:12,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:08:12,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538562993] [2024-11-28 02:08:12,184 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:12,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:08:12,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:12,185 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:08:12,185 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:08:12,186 INFO L87 Difference]: Start difference. First operand 1630 states and 2095 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:08:12,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:12,420 INFO L93 Difference]: Finished difference Result 3144 states and 4054 transitions. [2024-11-28 02:08:12,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:08:12,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (19), 2 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 173 [2024-11-28 02:08:12,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:12,434 INFO L225 Difference]: With dead ends: 3144 [2024-11-28 02:08:12,434 INFO L226 Difference]: Without dead ends: 1624 [2024-11-28 02:08:12,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:08:12,442 INFO L435 NwaCegarLoop]: 1808 mSDtfsCounter, 1766 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1766 SdHoareTripleChecker+Valid, 1808 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 [2024-11-28 02:08:12,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1766 Valid, 1808 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:08:12,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2024-11-28 02:08:12,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1624. [2024-11-28 02:08:12,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1624 states, 1026 states have (on average 1.1754385964912282) internal successors, (1206), 1065 states have internal predecessors, (1206), 441 states have call successors, (441), 143 states have call predecessors, (441), 142 states have return successors, (439), 434 states have call predecessors, (439), 439 states have call successors, (439) [2024-11-28 02:08:12,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1624 states to 1624 states and 2086 transitions. [2024-11-28 02:08:12,688 INFO L78 Accepts]: Start accepts. Automaton has 1624 states and 2086 transitions. Word has length 173 [2024-11-28 02:08:12,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:12,688 INFO L471 AbstractCegarLoop]: Abstraction has 1624 states and 2086 transitions. [2024-11-28 02:08:12,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-28 02:08:12,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 2086 transitions. [2024-11-28 02:08:12,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-28 02:08:12,692 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:12,692 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 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] [2024-11-28 02:08:12,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-28 02:08:12,693 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:08:12,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:12,693 INFO L85 PathProgramCache]: Analyzing trace with hash -85732123, now seen corresponding path program 1 times [2024-11-28 02:08:12,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:12,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928216785] [2024-11-28 02:08:12,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:12,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:14,455 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2024-11-28 02:08:14,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:14,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928216785] [2024-11-28 02:08:14,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928216785] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:14,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:14,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:08:14,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585253571] [2024-11-28 02:08:14,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:14,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:08:14,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:14,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:08:14,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:14,459 INFO L87 Difference]: Start difference. First operand 1624 states and 2086 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:08:14,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:14,936 INFO L93 Difference]: Finished difference Result 1652 states and 2110 transitions. [2024-11-28 02:08:14,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:08:14,937 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 164 [2024-11-28 02:08:14,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:14,949 INFO L225 Difference]: With dead ends: 1652 [2024-11-28 02:08:14,949 INFO L226 Difference]: Without dead ends: 1650 [2024-11-28 02:08:14,950 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:08:14,951 INFO L435 NwaCegarLoop]: 1810 mSDtfsCounter, 1720 mSDsluCounter, 3664 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1721 SdHoareTripleChecker+Valid, 5474 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:14,951 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1721 Valid, 5474 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:08:14,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1650 states. [2024-11-28 02:08:15,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1650 to 1648. [2024-11-28 02:08:15,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1648 states, 1044 states have (on average 1.1743295019157087) internal successors, (1226), 1083 states have internal predecessors, (1226), 441 states have call successors, (441), 149 states have call predecessors, (441), 148 states have return successors, (439), 434 states have call predecessors, (439), 439 states have call successors, (439) [2024-11-28 02:08:15,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1648 states and 2106 transitions. [2024-11-28 02:08:15,199 INFO L78 Accepts]: Start accepts. Automaton has 1648 states and 2106 transitions. Word has length 164 [2024-11-28 02:08:15,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:15,200 INFO L471 AbstractCegarLoop]: Abstraction has 1648 states and 2106 transitions. [2024-11-28 02:08:15,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:08:15,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2106 transitions. [2024-11-28 02:08:15,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-28 02:08:15,204 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:15,204 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:15,204 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-28 02:08:15,204 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:08:15,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:15,205 INFO L85 PathProgramCache]: Analyzing trace with hash -542410559, now seen corresponding path program 1 times [2024-11-28 02:08:15,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:15,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424155876] [2024-11-28 02:08:15,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:15,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:16,960 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:08:16,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:16,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424155876] [2024-11-28 02:08:16,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424155876] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:16,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:16,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:08:16,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412748342] [2024-11-28 02:08:16,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:16,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:08:16,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:16,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:08:16,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:08:16,964 INFO L87 Difference]: Start difference. First operand 1648 states and 2106 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:08:17,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:17,256 INFO L93 Difference]: Finished difference Result 1648 states and 2106 transitions. [2024-11-28 02:08:17,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:08:17,257 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 2 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 [2024-11-28 02:08:17,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:17,277 INFO L225 Difference]: With dead ends: 1648 [2024-11-28 02:08:17,277 INFO L226 Difference]: Without dead ends: 1646 [2024-11-28 02:08:17,278 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:17,279 INFO L435 NwaCegarLoop]: 1805 mSDtfsCounter, 1765 mSDsluCounter, 1804 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1765 SdHoareTripleChecker+Valid, 3609 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:17,281 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1765 Valid, 3609 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:08:17,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1646 states. [2024-11-28 02:08:17,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1646 to 1646. [2024-11-28 02:08:17,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1646 states, 1043 states have (on average 1.1735378715244487) internal successors, (1224), 1081 states have internal predecessors, (1224), 441 states have call successors, (441), 149 states have call predecessors, (441), 148 states have return successors, (439), 434 states have call predecessors, (439), 439 states have call successors, (439) [2024-11-28 02:08:17,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1646 states and 2104 transitions. [2024-11-28 02:08:17,535 INFO L78 Accepts]: Start accepts. Automaton has 1646 states and 2104 transitions. Word has length 133 [2024-11-28 02:08:17,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:17,537 INFO L471 AbstractCegarLoop]: Abstraction has 1646 states and 2104 transitions. [2024-11-28 02:08:17,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-28 02:08:17,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2104 transitions. [2024-11-28 02:08:17,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 02:08:17,540 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:17,540 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:17,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-28 02:08:17,541 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:08:17,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:17,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1889598168, now seen corresponding path program 1 times [2024-11-28 02:08:17,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:17,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054251442] [2024-11-28 02:08:17,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:17,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:19,408 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:08:19,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:19,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054251442] [2024-11-28 02:08:19,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054251442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:19,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:19,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:08:19,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852415025] [2024-11-28 02:08:19,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:19,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:08:19,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:19,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:08:19,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:08:19,410 INFO L87 Difference]: Start difference. First operand 1646 states and 2104 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:08:19,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:19,691 INFO L93 Difference]: Finished difference Result 1646 states and 2104 transitions. [2024-11-28 02:08:19,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:08:19,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 2 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 [2024-11-28 02:08:19,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:19,702 INFO L225 Difference]: With dead ends: 1646 [2024-11-28 02:08:19,703 INFO L226 Difference]: Without dead ends: 1644 [2024-11-28 02:08:19,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:19,704 INFO L435 NwaCegarLoop]: 1803 mSDtfsCounter, 1762 mSDsluCounter, 1802 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 3605 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:19,707 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 3605 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:08:19,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1644 states. [2024-11-28 02:08:19,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1644 to 1644. [2024-11-28 02:08:19,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1644 states, 1042 states have (on average 1.1727447216890594) internal successors, (1222), 1079 states have internal predecessors, (1222), 441 states have call successors, (441), 149 states have call predecessors, (441), 148 states have return successors, (439), 434 states have call predecessors, (439), 439 states have call successors, (439) [2024-11-28 02:08:19,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1644 states to 1644 states and 2102 transitions. [2024-11-28 02:08:19,984 INFO L78 Accepts]: Start accepts. Automaton has 1644 states and 2102 transitions. Word has length 139 [2024-11-28 02:08:19,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:19,985 INFO L471 AbstractCegarLoop]: Abstraction has 1644 states and 2102 transitions. [2024-11-28 02:08:19,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-28 02:08:19,985 INFO L276 IsEmpty]: Start isEmpty. Operand 1644 states and 2102 transitions. [2024-11-28 02:08:19,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 02:08:19,988 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:19,988 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:19,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-28 02:08:19,991 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:08:19,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:19,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1051570233, now seen corresponding path program 1 times [2024-11-28 02:08:19,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:19,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985130735] [2024-11-28 02:08:19,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:19,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:21,574 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:08:21,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:21,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985130735] [2024-11-28 02:08:21,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985130735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:21,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:21,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:08:21,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095742920] [2024-11-28 02:08:21,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:21,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:08:21,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:21,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:08:21,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:08:21,576 INFO L87 Difference]: Start difference. First operand 1644 states and 2102 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:08:21,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:21,793 INFO L93 Difference]: Finished difference Result 1644 states and 2102 transitions. [2024-11-28 02:08:21,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:08:21,794 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 2 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 [2024-11-28 02:08:21,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:21,804 INFO L225 Difference]: With dead ends: 1644 [2024-11-28 02:08:21,804 INFO L226 Difference]: Without dead ends: 1642 [2024-11-28 02:08:21,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:21,806 INFO L435 NwaCegarLoop]: 1801 mSDtfsCounter, 1759 mSDsluCounter, 1800 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1759 SdHoareTripleChecker+Valid, 3601 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:21,806 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1759 Valid, 3601 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:08:21,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1642 states. [2024-11-28 02:08:22,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1642 to 1642. [2024-11-28 02:08:22,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1642 states, 1041 states have (on average 1.1719500480307397) internal successors, (1220), 1077 states have internal predecessors, (1220), 441 states have call successors, (441), 149 states have call predecessors, (441), 148 states have return successors, (439), 434 states have call predecessors, (439), 439 states have call successors, (439) [2024-11-28 02:08:22,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2100 transitions. [2024-11-28 02:08:22,070 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2100 transitions. Word has length 145 [2024-11-28 02:08:22,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:22,071 INFO L471 AbstractCegarLoop]: Abstraction has 1642 states and 2100 transitions. [2024-11-28 02:08:22,071 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-28 02:08:22,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2100 transitions. [2024-11-28 02:08:22,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-28 02:08:22,074 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:22,075 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:22,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-28 02:08:22,075 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:08:22,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:22,076 INFO L85 PathProgramCache]: Analyzing trace with hash 2141868155, now seen corresponding path program 1 times [2024-11-28 02:08:22,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:22,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999169791] [2024-11-28 02:08:22,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:22,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:23,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:23,819 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:08:23,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:23,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999169791] [2024-11-28 02:08:23,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999169791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:23,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:23,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:08:23,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571873214] [2024-11-28 02:08:23,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:23,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:08:23,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:23,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:08:23,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:08:23,821 INFO L87 Difference]: Start difference. First operand 1642 states and 2100 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 02:08:24,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:24,202 INFO L93 Difference]: Finished difference Result 1642 states and 2100 transitions. [2024-11-28 02:08:24,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:08:24,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 2 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 [2024-11-28 02:08:24,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:24,212 INFO L225 Difference]: With dead ends: 1642 [2024-11-28 02:08:24,212 INFO L226 Difference]: Without dead ends: 1640 [2024-11-28 02:08:24,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:24,215 INFO L435 NwaCegarLoop]: 1799 mSDtfsCounter, 1756 mSDsluCounter, 1798 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1756 SdHoareTripleChecker+Valid, 3597 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:24,215 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1756 Valid, 3597 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:08:24,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2024-11-28 02:08:24,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1640. [2024-11-28 02:08:24,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1640 states, 1040 states have (on average 1.1711538461538462) internal successors, (1218), 1075 states have internal predecessors, (1218), 441 states have call successors, (441), 149 states have call predecessors, (441), 148 states have return successors, (439), 434 states have call predecessors, (439), 439 states have call successors, (439) [2024-11-28 02:08:24,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1640 states and 2098 transitions. [2024-11-28 02:08:24,564 INFO L78 Accepts]: Start accepts. Automaton has 1640 states and 2098 transitions. Word has length 151 [2024-11-28 02:08:24,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:24,565 INFO L471 AbstractCegarLoop]: Abstraction has 1640 states and 2098 transitions. [2024-11-28 02:08:24,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-28 02:08:24,565 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2098 transitions. [2024-11-28 02:08:24,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-28 02:08:24,569 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:24,569 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:24,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-28 02:08:24,570 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:08:24,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:24,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1482224822, now seen corresponding path program 1 times [2024-11-28 02:08:24,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:24,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891933004] [2024-11-28 02:08:24,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:24,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:26,376 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2024-11-28 02:08:26,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:26,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891933004] [2024-11-28 02:08:26,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891933004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:26,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:26,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:08:26,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885860280] [2024-11-28 02:08:26,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:26,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:08:26,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:26,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:08:26,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:26,378 INFO L87 Difference]: Start difference. First operand 1640 states and 2098 transitions. Second operand has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 02:08:30,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:08:30,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:30,913 INFO L93 Difference]: Finished difference Result 1642 states and 2099 transitions. [2024-11-28 02:08:30,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:08:30,913 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 187 [2024-11-28 02:08:30,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:30,923 INFO L225 Difference]: With dead ends: 1642 [2024-11-28 02:08:30,923 INFO L226 Difference]: Without dead ends: 1640 [2024-11-28 02:08:30,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:08:30,925 INFO L435 NwaCegarLoop]: 1800 mSDtfsCounter, 43 mSDsluCounter, 5348 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 7148 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:30,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 7148 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-28 02:08:30,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2024-11-28 02:08:31,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1640. [2024-11-28 02:08:31,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1640 states, 1040 states have (on average 1.1692307692307693) internal successors, (1216), 1075 states have internal predecessors, (1216), 441 states have call successors, (441), 149 states have call predecessors, (441), 148 states have return successors, (439), 434 states have call predecessors, (439), 439 states have call successors, (439) [2024-11-28 02:08:31,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1640 states and 2096 transitions. [2024-11-28 02:08:31,130 INFO L78 Accepts]: Start accepts. Automaton has 1640 states and 2096 transitions. Word has length 187 [2024-11-28 02:08:31,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:31,131 INFO L471 AbstractCegarLoop]: Abstraction has 1640 states and 2096 transitions. [2024-11-28 02:08:31,131 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.2) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 02:08:31,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2096 transitions. [2024-11-28 02:08:31,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-28 02:08:31,134 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:31,134 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:31,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-28 02:08:31,135 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:08:31,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:31,135 INFO L85 PathProgramCache]: Analyzing trace with hash 1101711215, now seen corresponding path program 1 times [2024-11-28 02:08:31,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:31,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905580106] [2024-11-28 02:08:31,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:31,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:32,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:33,451 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:08:33,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:33,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905580106] [2024-11-28 02:08:33,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905580106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:33,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:33,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:08:33,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548956203] [2024-11-28 02:08:33,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:33,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:08:33,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:33,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:08:33,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:08:33,454 INFO L87 Difference]: Start difference. First operand 1640 states and 2096 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-28 02:08:33,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:33,670 INFO L93 Difference]: Finished difference Result 1640 states and 2096 transitions. [2024-11-28 02:08:33,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:08:33,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 2 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 [2024-11-28 02:08:33,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:33,677 INFO L225 Difference]: With dead ends: 1640 [2024-11-28 02:08:33,677 INFO L226 Difference]: Without dead ends: 1638 [2024-11-28 02:08:33,678 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:33,678 INFO L435 NwaCegarLoop]: 1797 mSDtfsCounter, 1753 mSDsluCounter, 1796 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1753 SdHoareTripleChecker+Valid, 3593 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:33,678 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1753 Valid, 3593 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:08:33,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2024-11-28 02:08:33,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1638. [2024-11-28 02:08:33,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1638 states, 1039 states have (on average 1.1684311838306063) internal successors, (1214), 1073 states have internal predecessors, (1214), 441 states have call successors, (441), 149 states have call predecessors, (441), 148 states have return successors, (439), 434 states have call predecessors, (439), 439 states have call successors, (439) [2024-11-28 02:08:33,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1638 states and 2094 transitions. [2024-11-28 02:08:33,897 INFO L78 Accepts]: Start accepts. Automaton has 1638 states and 2094 transitions. Word has length 157 [2024-11-28 02:08:33,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:33,898 INFO L471 AbstractCegarLoop]: Abstraction has 1638 states and 2094 transitions. [2024-11-28 02:08:33,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-28 02:08:33,898 INFO L276 IsEmpty]: Start isEmpty. Operand 1638 states and 2094 transitions. [2024-11-28 02:08:33,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-28 02:08:33,902 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:33,902 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:33,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-28 02:08:33,902 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:08:33,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:33,903 INFO L85 PathProgramCache]: Analyzing trace with hash -353922304, now seen corresponding path program 1 times [2024-11-28 02:08:33,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:33,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405024059] [2024-11-28 02:08:33,903 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:33,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:08:35,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:35,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405024059] [2024-11-28 02:08:35,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405024059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:35,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:35,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:08:35,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986719155] [2024-11-28 02:08:35,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:35,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:08:35,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:35,676 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:08:35,676 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:08:35,676 INFO L87 Difference]: Start difference. First operand 1638 states and 2094 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 02:08:35,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:35,916 INFO L93 Difference]: Finished difference Result 1638 states and 2094 transitions. [2024-11-28 02:08:35,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:08:35,916 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 2 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 [2024-11-28 02:08:35,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:35,922 INFO L225 Difference]: With dead ends: 1638 [2024-11-28 02:08:35,922 INFO L226 Difference]: Without dead ends: 1636 [2024-11-28 02:08:35,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:35,924 INFO L435 NwaCegarLoop]: 1795 mSDtfsCounter, 1750 mSDsluCounter, 1794 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1750 SdHoareTripleChecker+Valid, 3589 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:35,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1750 Valid, 3589 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:08:35,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1636 states. [2024-11-28 02:08:36,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1636 to 1636. [2024-11-28 02:08:36,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1636 states, 1038 states have (on average 1.1676300578034682) internal successors, (1212), 1071 states have internal predecessors, (1212), 441 states have call successors, (441), 149 states have call predecessors, (441), 148 states have return successors, (439), 434 states have call predecessors, (439), 439 states have call successors, (439) [2024-11-28 02:08:36,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1636 states to 1636 states and 2092 transitions. [2024-11-28 02:08:36,169 INFO L78 Accepts]: Start accepts. Automaton has 1636 states and 2092 transitions. Word has length 163 [2024-11-28 02:08:36,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:36,169 INFO L471 AbstractCegarLoop]: Abstraction has 1636 states and 2092 transitions. [2024-11-28 02:08:36,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-28 02:08:36,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2092 transitions. [2024-11-28 02:08:36,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-11-28 02:08:36,173 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:36,173 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:36,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-28 02:08:36,173 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:08:36,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:36,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1642743421, now seen corresponding path program 1 times [2024-11-28 02:08:36,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:36,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126673191] [2024-11-28 02:08:36,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:36,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:37,834 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:08:37,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:37,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126673191] [2024-11-28 02:08:37,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126673191] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:37,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:37,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:08:37,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580135785] [2024-11-28 02:08:37,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:37,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:08:37,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:37,835 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:08:37,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:08:37,836 INFO L87 Difference]: Start difference. First operand 1636 states and 2092 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 02:08:38,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:38,059 INFO L93 Difference]: Finished difference Result 1636 states and 2092 transitions. [2024-11-28 02:08:38,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:08:38,060 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 2 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 [2024-11-28 02:08:38,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:38,066 INFO L225 Difference]: With dead ends: 1636 [2024-11-28 02:08:38,066 INFO L226 Difference]: Without dead ends: 1634 [2024-11-28 02:08:38,067 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:38,067 INFO L435 NwaCegarLoop]: 1793 mSDtfsCounter, 1747 mSDsluCounter, 1792 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1747 SdHoareTripleChecker+Valid, 3585 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:38,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1747 Valid, 3585 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:08:38,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1634 states. [2024-11-28 02:08:38,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1634 to 1634. [2024-11-28 02:08:38,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1634 states, 1037 states have (on average 1.166827386692382) internal successors, (1210), 1069 states have internal predecessors, (1210), 441 states have call successors, (441), 149 states have call predecessors, (441), 148 states have return successors, (439), 434 states have call predecessors, (439), 439 states have call successors, (439) [2024-11-28 02:08:38,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1634 states to 1634 states and 2090 transitions. [2024-11-28 02:08:38,276 INFO L78 Accepts]: Start accepts. Automaton has 1634 states and 2090 transitions. Word has length 169 [2024-11-28 02:08:38,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:38,277 INFO L471 AbstractCegarLoop]: Abstraction has 1634 states and 2090 transitions. [2024-11-28 02:08:38,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-28 02:08:38,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 2090 transitions. [2024-11-28 02:08:38,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-28 02:08:38,280 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:38,280 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:38,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-28 02:08:38,281 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:08:38,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:38,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1951163364, now seen corresponding path program 1 times [2024-11-28 02:08:38,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:38,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857055133] [2024-11-28 02:08:38,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:38,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:40,042 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:08:40,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:40,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857055133] [2024-11-28 02:08:40,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857055133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:40,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:40,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:08:40,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14208669] [2024-11-28 02:08:40,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:40,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:08:40,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:40,044 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:08:40,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:08:40,044 INFO L87 Difference]: Start difference. First operand 1634 states and 2090 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-28 02:08:40,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:40,289 INFO L93 Difference]: Finished difference Result 1634 states and 2090 transitions. [2024-11-28 02:08:40,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:08:40,289 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 2 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 [2024-11-28 02:08:40,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:40,298 INFO L225 Difference]: With dead ends: 1634 [2024-11-28 02:08:40,299 INFO L226 Difference]: Without dead ends: 1632 [2024-11-28 02:08:40,300 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:40,304 INFO L435 NwaCegarLoop]: 1791 mSDtfsCounter, 1744 mSDsluCounter, 1790 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1744 SdHoareTripleChecker+Valid, 3581 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:40,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1744 Valid, 3581 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:08:40,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1632 states. [2024-11-28 02:08:40,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1632 to 1632. [2024-11-28 02:08:40,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1632 states, 1036 states have (on average 1.166023166023166) internal successors, (1208), 1067 states have internal predecessors, (1208), 441 states have call successors, (441), 149 states have call predecessors, (441), 148 states have return successors, (439), 434 states have call predecessors, (439), 439 states have call successors, (439) [2024-11-28 02:08:40,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1632 states and 2088 transitions. [2024-11-28 02:08:40,645 INFO L78 Accepts]: Start accepts. Automaton has 1632 states and 2088 transitions. Word has length 175 [2024-11-28 02:08:40,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:40,646 INFO L471 AbstractCegarLoop]: Abstraction has 1632 states and 2088 transitions. [2024-11-28 02:08:40,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-28 02:08:40,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2088 transitions. [2024-11-28 02:08:40,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2024-11-28 02:08:40,649 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:40,650 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:40,650 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-28 02:08:40,650 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:08:40,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:40,651 INFO L85 PathProgramCache]: Analyzing trace with hash -1665932543, now seen corresponding path program 1 times [2024-11-28 02:08:40,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:40,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865540057] [2024-11-28 02:08:40,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:40,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:44,570 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-11-28 02:08:44,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:44,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865540057] [2024-11-28 02:08:44,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865540057] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:44,571 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:44,571 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:08:44,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989118384] [2024-11-28 02:08:44,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:44,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:08:44,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:44,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:08:44,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:44,572 INFO L87 Difference]: Start difference. First operand 1632 states and 2088 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 4 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-28 02:08:48,604 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:08:52,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:52,657 INFO L93 Difference]: Finished difference Result 3187 states and 3967 transitions. [2024-11-28 02:08:52,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:08:52,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 4 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 212 [2024-11-28 02:08:52,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:52,670 INFO L225 Difference]: With dead ends: 3187 [2024-11-28 02:08:52,671 INFO L226 Difference]: Without dead ends: 2203 [2024-11-28 02:08:52,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:08:52,676 INFO L435 NwaCegarLoop]: 1848 mSDtfsCounter, 644 mSDsluCounter, 4895 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 644 SdHoareTripleChecker+Valid, 6743 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:52,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [644 Valid, 6743 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 540 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2024-11-28 02:08:52,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2203 states. [2024-11-28 02:08:53,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2203 to 2020. [2024-11-28 02:08:53,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2020 states, 1297 states have (on average 1.1696222050886662) internal successors, (1517), 1337 states have internal predecessors, (1517), 523 states have call successors, (523), 194 states have call predecessors, (523), 193 states have return successors, (521), 510 states have call predecessors, (521), 521 states have call successors, (521) [2024-11-28 02:08:53,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 2020 states and 2561 transitions. [2024-11-28 02:08:53,132 INFO L78 Accepts]: Start accepts. Automaton has 2020 states and 2561 transitions. Word has length 212 [2024-11-28 02:08:53,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:53,133 INFO L471 AbstractCegarLoop]: Abstraction has 2020 states and 2561 transitions. [2024-11-28 02:08:53,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 5 states have internal predecessors, (85), 4 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-28 02:08:53,133 INFO L276 IsEmpty]: Start isEmpty. Operand 2020 states and 2561 transitions. [2024-11-28 02:08:53,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2024-11-28 02:08:53,136 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:53,136 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:53,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-28 02:08:53,136 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:08:53,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:53,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1640104080, now seen corresponding path program 1 times [2024-11-28 02:08:53,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:53,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297633692] [2024-11-28 02:08:53,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:53,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:08:55,013 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:08:55,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:08:55,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297633692] [2024-11-28 02:08:55,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297633692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:08:55,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:08:55,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:08:55,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670427480] [2024-11-28 02:08:55,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:08:55,014 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:08:55,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:08:55,014 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:08:55,015 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:08:55,015 INFO L87 Difference]: Start difference. First operand 2020 states and 2561 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-28 02:08:55,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:08:55,348 INFO L93 Difference]: Finished difference Result 2020 states and 2561 transitions. [2024-11-28 02:08:55,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:08:55,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 2 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 [2024-11-28 02:08:55,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:08:55,356 INFO L225 Difference]: With dead ends: 2020 [2024-11-28 02:08:55,356 INFO L226 Difference]: Without dead ends: 2018 [2024-11-28 02:08:55,358 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:08:55,358 INFO L435 NwaCegarLoop]: 1789 mSDtfsCounter, 1741 mSDsluCounter, 1788 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1741 SdHoareTripleChecker+Valid, 3577 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:08:55,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1741 Valid, 3577 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:08:55,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2018 states. [2024-11-28 02:08:55,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2018 to 2018. [2024-11-28 02:08:55,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2018 states, 1296 states have (on average 1.1689814814814814) internal successors, (1515), 1335 states have internal predecessors, (1515), 523 states have call successors, (523), 194 states have call predecessors, (523), 193 states have return successors, (521), 510 states have call predecessors, (521), 521 states have call successors, (521) [2024-11-28 02:08:55,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 2018 states and 2559 transitions. [2024-11-28 02:08:55,690 INFO L78 Accepts]: Start accepts. Automaton has 2018 states and 2559 transitions. Word has length 181 [2024-11-28 02:08:55,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:08:55,690 INFO L471 AbstractCegarLoop]: Abstraction has 2018 states and 2559 transitions. [2024-11-28 02:08:55,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-28 02:08:55,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2018 states and 2559 transitions. [2024-11-28 02:08:55,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-28 02:08:55,694 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:08:55,694 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:08:55,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-28 02:08:55,694 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:08:55,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:08:55,695 INFO L85 PathProgramCache]: Analyzing trace with hash 244468192, now seen corresponding path program 1 times [2024-11-28 02:08:55,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:08:55,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738435776] [2024-11-28 02:08:55,695 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:08:55,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:08:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:00,444 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-11-28 02:09:00,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:00,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738435776] [2024-11-28 02:09:00,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738435776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:00,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:00,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-28 02:09:00,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343732149] [2024-11-28 02:09:00,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:00,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 02:09:00,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:00,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 02:09:00,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-28 02:09:00,447 INFO L87 Difference]: Start difference. First operand 2018 states and 2559 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 5 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-28 02:09:04,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:09:09,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:09:09,088 INFO L93 Difference]: Finished difference Result 3548 states and 4417 transitions. [2024-11-28 02:09:09,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:09:09,089 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 5 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) Word has length 214 [2024-11-28 02:09:09,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:09:09,102 INFO L225 Difference]: With dead ends: 3548 [2024-11-28 02:09:09,102 INFO L226 Difference]: Without dead ends: 2220 [2024-11-28 02:09:09,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-28 02:09:09,108 INFO L435 NwaCegarLoop]: 1837 mSDtfsCounter, 673 mSDsluCounter, 10389 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 6 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 680 SdHoareTripleChecker+Valid, 12226 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2024-11-28 02:09:09,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [680 Valid, 12226 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 683 Invalid, 1 Unknown, 0 Unchecked, 7.9s Time] [2024-11-28 02:09:09,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2220 states. [2024-11-28 02:09:09,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2220 to 2024. [2024-11-28 02:09:09,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2024 states, 1301 states have (on average 1.1691006917755573) internal successors, (1521), 1340 states have internal predecessors, (1521), 524 states have call successors, (524), 194 states have call predecessors, (524), 193 states have return successors, (522), 511 states have call predecessors, (522), 522 states have call successors, (522) [2024-11-28 02:09:09,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2024 states to 2024 states and 2567 transitions. [2024-11-28 02:09:09,506 INFO L78 Accepts]: Start accepts. Automaton has 2024 states and 2567 transitions. Word has length 214 [2024-11-28 02:09:09,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:09:09,507 INFO L471 AbstractCegarLoop]: Abstraction has 2024 states and 2567 transitions. [2024-11-28 02:09:09,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 5 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (29), 4 states have call predecessors, (29), 4 states have call successors, (29) [2024-11-28 02:09:09,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2567 transitions. [2024-11-28 02:09:09,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-28 02:09:09,511 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:09:09,511 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:09:09,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-28 02:09:09,511 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:09:09,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:09,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1627326443, now seen corresponding path program 1 times [2024-11-28 02:09:09,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:09,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673584128] [2024-11-28 02:09:09,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:09,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:11,720 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2024-11-28 02:09:11,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:11,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673584128] [2024-11-28 02:09:11,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673584128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:11,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:11,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:09:11,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156689362] [2024-11-28 02:09:11,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:11,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:09:11,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:11,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:09:11,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:09:11,723 INFO L87 Difference]: Start difference. First operand 2024 states and 2567 transitions. Second operand has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-28 02:09:15,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:09:16,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:09:16,340 INFO L93 Difference]: Finished difference Result 2040 states and 2577 transitions. [2024-11-28 02:09:16,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:09:16,340 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 215 [2024-11-28 02:09:16,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:09:16,354 INFO L225 Difference]: With dead ends: 2040 [2024-11-28 02:09:16,355 INFO L226 Difference]: Without dead ends: 2038 [2024-11-28 02:09:16,356 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:09:16,357 INFO L435 NwaCegarLoop]: 1918 mSDtfsCounter, 379 mSDsluCounter, 5442 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 7360 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:09:16,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 7360 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-28 02:09:16,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2038 states. [2024-11-28 02:09:16,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2038 to 2028. [2024-11-28 02:09:16,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2028 states, 1304 states have (on average 1.1679447852760736) internal successors, (1523), 1343 states have internal predecessors, (1523), 524 states have call successors, (524), 195 states have call predecessors, (524), 194 states have return successors, (522), 511 states have call predecessors, (522), 522 states have call successors, (522) [2024-11-28 02:09:16,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2028 states to 2028 states and 2569 transitions. [2024-11-28 02:09:16,851 INFO L78 Accepts]: Start accepts. Automaton has 2028 states and 2569 transitions. Word has length 215 [2024-11-28 02:09:16,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:09:16,852 INFO L471 AbstractCegarLoop]: Abstraction has 2028 states and 2569 transitions. [2024-11-28 02:09:16,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-28 02:09:16,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 2569 transitions. [2024-11-28 02:09:16,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-28 02:09:16,855 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:09:16,855 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:09:16,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-28 02:09:16,856 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:09:16,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:16,856 INFO L85 PathProgramCache]: Analyzing trace with hash -733568960, now seen corresponding path program 1 times [2024-11-28 02:09:16,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:16,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121337496] [2024-11-28 02:09:16,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:16,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:18,462 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-28 02:09:18,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:18,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121337496] [2024-11-28 02:09:18,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121337496] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:18,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:18,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 02:09:18,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332718216] [2024-11-28 02:09:18,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:18,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 02:09:18,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:18,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 02:09:18,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 02:09:18,464 INFO L87 Difference]: Start difference. First operand 2028 states and 2569 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-28 02:09:19,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:09:19,124 INFO L93 Difference]: Finished difference Result 3499 states and 4448 transitions. [2024-11-28 02:09:19,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 02:09:19,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 2 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 [2024-11-28 02:09:19,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:09:19,143 INFO L225 Difference]: With dead ends: 3499 [2024-11-28 02:09:19,143 INFO L226 Difference]: Without dead ends: 3341 [2024-11-28 02:09:19,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:09:19,148 INFO L435 NwaCegarLoop]: 2013 mSDtfsCounter, 1736 mSDsluCounter, 3648 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1736 SdHoareTripleChecker+Valid, 5661 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 [2024-11-28 02:09:19,149 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1736 Valid, 5661 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:09:19,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3341 states. [2024-11-28 02:09:19,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3341 to 3327. [2024-11-28 02:09:19,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3327 states, 2136 states have (on average 1.169007490636704) internal successors, (2497), 2188 states have internal predecessors, (2497), 870 states have call successors, (870), 315 states have call predecessors, (870), 315 states have return successors, (882), 859 states have call predecessors, (882), 868 states have call successors, (882) [2024-11-28 02:09:19,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3327 states to 3327 states and 4249 transitions. [2024-11-28 02:09:19,847 INFO L78 Accepts]: Start accepts. Automaton has 3327 states and 4249 transitions. Word has length 187 [2024-11-28 02:09:19,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:09:19,848 INFO L471 AbstractCegarLoop]: Abstraction has 3327 states and 4249 transitions. [2024-11-28 02:09:19,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-28 02:09:19,848 INFO L276 IsEmpty]: Start isEmpty. Operand 3327 states and 4249 transitions. [2024-11-28 02:09:19,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2024-11-28 02:09:19,851 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:09:19,851 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:09:19,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-28 02:09:19,851 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:09:19,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:19,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1398206531, now seen corresponding path program 1 times [2024-11-28 02:09:19,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:19,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326526434] [2024-11-28 02:09:19,852 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:19,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:22,047 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-11-28 02:09:22,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:22,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1326526434] [2024-11-28 02:09:22,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1326526434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:22,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:22,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:09:22,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162521167] [2024-11-28 02:09:22,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:22,049 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:09:22,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:22,050 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:09:22,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:09:22,051 INFO L87 Difference]: Start difference. First operand 3327 states and 4249 transitions. Second operand has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-28 02:09:22,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:09:22,966 INFO L93 Difference]: Finished difference Result 4885 states and 6237 transitions. [2024-11-28 02:09:22,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:09:22,966 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 227 [2024-11-28 02:09:22,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:09:22,991 INFO L225 Difference]: With dead ends: 4885 [2024-11-28 02:09:22,991 INFO L226 Difference]: Without dead ends: 4883 [2024-11-28 02:09:22,994 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:09:22,995 INFO L435 NwaCegarLoop]: 1970 mSDtfsCounter, 1675 mSDsluCounter, 4883 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1677 SdHoareTripleChecker+Valid, 6853 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:09:22,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1677 Valid, 6853 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:09:23,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4883 states. [2024-11-28 02:09:24,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4883 to 4871. [2024-11-28 02:09:24,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4871 states, 3130 states have (on average 1.1789137380191694) internal successors, (3690), 3210 states have internal predecessors, (3690), 1260 states have call successors, (1260), 481 states have call predecessors, (1260), 475 states have return successors, (1273), 1233 states have call predecessors, (1273), 1258 states have call successors, (1273) [2024-11-28 02:09:24,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4871 states to 4871 states and 6223 transitions. [2024-11-28 02:09:24,148 INFO L78 Accepts]: Start accepts. Automaton has 4871 states and 6223 transitions. Word has length 227 [2024-11-28 02:09:24,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:09:24,149 INFO L471 AbstractCegarLoop]: Abstraction has 4871 states and 6223 transitions. [2024-11-28 02:09:24,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.2) internal successors, (96), 4 states have internal predecessors, (96), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-28 02:09:24,149 INFO L276 IsEmpty]: Start isEmpty. Operand 4871 states and 6223 transitions. [2024-11-28 02:09:24,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2024-11-28 02:09:24,152 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:09:24,153 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:09:24,153 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-28 02:09:24,153 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:09:24,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:24,154 INFO L85 PathProgramCache]: Analyzing trace with hash -1860044956, now seen corresponding path program 1 times [2024-11-28 02:09:24,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:24,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907313244] [2024-11-28 02:09:24,154 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:24,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:26,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:26,783 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-11-28 02:09:26,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:26,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907313244] [2024-11-28 02:09:26,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907313244] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:26,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:26,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:09:26,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866655291] [2024-11-28 02:09:26,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:26,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:09:26,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:26,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:09:26,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:09:26,786 INFO L87 Difference]: Start difference. First operand 4871 states and 6223 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-28 02:09:27,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:09:27,658 INFO L93 Difference]: Finished difference Result 8182 states and 10398 transitions. [2024-11-28 02:09:27,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:09:27,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 241 [2024-11-28 02:09:27,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:09:27,685 INFO L225 Difference]: With dead ends: 8182 [2024-11-28 02:09:27,685 INFO L226 Difference]: Without dead ends: 4883 [2024-11-28 02:09:27,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:09:27,697 INFO L435 NwaCegarLoop]: 1793 mSDtfsCounter, 0 mSDsluCounter, 5352 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7145 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:09:27,697 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7145 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:09:27,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4883 states. [2024-11-28 02:09:28,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4883 to 4883. [2024-11-28 02:09:28,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4883 states, 3139 states have (on average 1.1784007645747052) internal successors, (3699), 3219 states have internal predecessors, (3699), 1263 states have call successors, (1263), 481 states have call predecessors, (1263), 475 states have return successors, (1276), 1236 states have call predecessors, (1276), 1261 states have call successors, (1276) [2024-11-28 02:09:28,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4883 states to 4883 states and 6238 transitions. [2024-11-28 02:09:28,765 INFO L78 Accepts]: Start accepts. Automaton has 4883 states and 6238 transitions. Word has length 241 [2024-11-28 02:09:28,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:09:28,765 INFO L471 AbstractCegarLoop]: Abstraction has 4883 states and 6238 transitions. [2024-11-28 02:09:28,765 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 5 states have internal predecessors, (103), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2024-11-28 02:09:28,766 INFO L276 IsEmpty]: Start isEmpty. Operand 4883 states and 6238 transitions. [2024-11-28 02:09:28,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2024-11-28 02:09:28,768 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:09:28,769 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:09:28,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-28 02:09:28,769 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:09:28,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:28,770 INFO L85 PathProgramCache]: Analyzing trace with hash -687320721, now seen corresponding path program 1 times [2024-11-28 02:09:28,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:28,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597859902] [2024-11-28 02:09:28,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:28,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:31,084 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-11-28 02:09:31,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:31,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597859902] [2024-11-28 02:09:31,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597859902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:31,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:31,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:09:31,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296025680] [2024-11-28 02:09:31,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:31,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:09:31,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:31,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:09:31,086 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:09:31,087 INFO L87 Difference]: Start difference. First operand 4883 states and 6238 transitions. Second operand has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-28 02:09:35,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:09:36,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:09:36,104 INFO L93 Difference]: Finished difference Result 4905 states and 6255 transitions. [2024-11-28 02:09:36,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:09:36,104 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) Word has length 240 [2024-11-28 02:09:36,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:09:36,129 INFO L225 Difference]: With dead ends: 4905 [2024-11-28 02:09:36,129 INFO L226 Difference]: Without dead ends: 4903 [2024-11-28 02:09:36,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:09:36,133 INFO L435 NwaCegarLoop]: 2523 mSDtfsCounter, 958 mSDsluCounter, 6767 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 959 SdHoareTripleChecker+Valid, 9290 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:09:36,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [959 Valid, 9290 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-28 02:09:36,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4903 states. [2024-11-28 02:09:37,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4903 to 4891. [2024-11-28 02:09:37,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4891 states, 3145 states have (on average 1.1774244833068364) internal successors, (3703), 3225 states have internal predecessors, (3703), 1263 states have call successors, (1263), 483 states have call predecessors, (1263), 477 states have return successors, (1276), 1236 states have call predecessors, (1276), 1261 states have call successors, (1276) [2024-11-28 02:09:37,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4891 states to 4891 states and 6242 transitions. [2024-11-28 02:09:37,033 INFO L78 Accepts]: Start accepts. Automaton has 4891 states and 6242 transitions. Word has length 240 [2024-11-28 02:09:37,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:09:37,033 INFO L471 AbstractCegarLoop]: Abstraction has 4891 states and 6242 transitions. [2024-11-28 02:09:37,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.4) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (35), 3 states have call predecessors, (35), 2 states have return successors, (33), 2 states have call predecessors, (33), 1 states have call successors, (33) [2024-11-28 02:09:37,034 INFO L276 IsEmpty]: Start isEmpty. Operand 4891 states and 6242 transitions. [2024-11-28 02:09:37,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-11-28 02:09:37,036 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:09:37,036 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2024-11-28 02:09:37,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-28 02:09:37,036 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:09:37,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:37,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1856329375, now seen corresponding path program 1 times [2024-11-28 02:09:37,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:37,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764304608] [2024-11-28 02:09:37,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:37,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:38,778 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2024-11-28 02:09:38,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:38,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764304608] [2024-11-28 02:09:38,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764304608] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:38,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:38,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:09:38,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869853944] [2024-11-28 02:09:38,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:38,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:09:38,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:38,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:09:38,780 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:09:38,780 INFO L87 Difference]: Start difference. First operand 4891 states and 6242 transitions. Second operand has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-28 02:09:39,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:09:39,624 INFO L93 Difference]: Finished difference Result 5017 states and 6339 transitions. [2024-11-28 02:09:39,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:09:39,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 257 [2024-11-28 02:09:39,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:09:39,644 INFO L225 Difference]: With dead ends: 5017 [2024-11-28 02:09:39,644 INFO L226 Difference]: Without dead ends: 5015 [2024-11-28 02:09:39,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:09:39,648 INFO L435 NwaCegarLoop]: 1790 mSDtfsCounter, 1562 mSDsluCounter, 3756 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1563 SdHoareTripleChecker+Valid, 5546 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:09:39,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1563 Valid, 5546 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:09:39,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5015 states. [2024-11-28 02:09:40,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5015 to 5015. [2024-11-28 02:09:40,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5015 states, 3236 states have (on average 1.1711990111248456) internal successors, (3790), 3315 states have internal predecessors, (3790), 1263 states have call successors, (1263), 517 states have call predecessors, (1263), 511 states have return successors, (1276), 1236 states have call predecessors, (1276), 1261 states have call successors, (1276) [2024-11-28 02:09:40,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5015 states to 5015 states and 6329 transitions. [2024-11-28 02:09:40,668 INFO L78 Accepts]: Start accepts. Automaton has 5015 states and 6329 transitions. Word has length 257 [2024-11-28 02:09:40,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:09:40,669 INFO L471 AbstractCegarLoop]: Abstraction has 5015 states and 6329 transitions. [2024-11-28 02:09:40,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-28 02:09:40,669 INFO L276 IsEmpty]: Start isEmpty. Operand 5015 states and 6329 transitions. [2024-11-28 02:09:40,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2024-11-28 02:09:40,672 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:09:40,672 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2024-11-28 02:09:40,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-28 02:09:40,672 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:09:40,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:40,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1616084822, now seen corresponding path program 1 times [2024-11-28 02:09:40,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:40,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319375302] [2024-11-28 02:09:40,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:40,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:41,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:42,801 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 801 trivial. 0 not checked. [2024-11-28 02:09:42,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:42,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319375302] [2024-11-28 02:09:42,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319375302] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:42,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:42,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:09:42,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268892782] [2024-11-28 02:09:42,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:42,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:09:42,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:42,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:09:42,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:09:42,803 INFO L87 Difference]: Start difference. First operand 5015 states and 6329 transitions. Second operand has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-28 02:09:44,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:09:44,203 INFO L93 Difference]: Finished difference Result 8347 states and 10476 transitions. [2024-11-28 02:09:44,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:09:44,203 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 284 [2024-11-28 02:09:44,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:09:44,236 INFO L225 Difference]: With dead ends: 8347 [2024-11-28 02:09:44,236 INFO L226 Difference]: Without dead ends: 8345 [2024-11-28 02:09:44,239 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:09:44,240 INFO L435 NwaCegarLoop]: 2092 mSDtfsCounter, 1675 mSDsluCounter, 5440 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1677 SdHoareTripleChecker+Valid, 7532 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:09:44,240 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1677 Valid, 7532 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:09:44,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8345 states. [2024-11-28 02:09:45,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8345 to 8297. [2024-11-28 02:09:45,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8297 states, 5411 states have (on average 1.177601182775827) internal successors, (6372), 5556 states have internal predecessors, (6372), 2015 states have call successors, (2015), 878 states have call predecessors, (2015), 866 states have return successors, (2032), 1960 states have call predecessors, (2032), 2013 states have call successors, (2032) [2024-11-28 02:09:45,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8297 states to 8297 states and 10419 transitions. [2024-11-28 02:09:45,684 INFO L78 Accepts]: Start accepts. Automaton has 8297 states and 10419 transitions. Word has length 284 [2024-11-28 02:09:45,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:09:45,685 INFO L471 AbstractCegarLoop]: Abstraction has 8297 states and 10419 transitions. [2024-11-28 02:09:45,685 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-28 02:09:45,685 INFO L276 IsEmpty]: Start isEmpty. Operand 8297 states and 10419 transitions. [2024-11-28 02:09:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-11-28 02:09:45,689 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:09:45,689 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:09:45,689 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-28 02:09:45,689 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:09:45,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:45,690 INFO L85 PathProgramCache]: Analyzing trace with hash -789831587, now seen corresponding path program 1 times [2024-11-28 02:09:45,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:45,690 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568864982] [2024-11-28 02:09:45,690 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:45,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:48,665 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2024-11-28 02:09:48,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:48,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568864982] [2024-11-28 02:09:48,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568864982] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:48,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:48,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-28 02:09:48,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529998622] [2024-11-28 02:09:48,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:48,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-28 02:09:48,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:48,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-28 02:09:48,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:09:48,668 INFO L87 Difference]: Start difference. First operand 8297 states and 10419 transitions. Second operand has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 3 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (39), 4 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-28 02:09:50,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:09:50,447 INFO L93 Difference]: Finished difference Result 15814 states and 19879 transitions. [2024-11-28 02:09:50,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:09:50,447 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 3 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (39), 4 states have call predecessors, (39), 3 states have call successors, (39) Word has length 301 [2024-11-28 02:09:50,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:09:50,486 INFO L225 Difference]: With dead ends: 15814 [2024-11-28 02:09:50,486 INFO L226 Difference]: Without dead ends: 8306 [2024-11-28 02:09:50,512 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:09:50,513 INFO L435 NwaCegarLoop]: 1783 mSDtfsCounter, 0 mSDsluCounter, 12447 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14230 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-28 02:09:50,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14230 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-28 02:09:50,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8306 states. [2024-11-28 02:09:52,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8306 to 8306. [2024-11-28 02:09:52,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8306 states, 5418 states have (on average 1.1773717238833519) internal successors, (6379), 5563 states have internal predecessors, (6379), 2016 states have call successors, (2016), 878 states have call predecessors, (2016), 867 states have return successors, (2034), 1962 states have call predecessors, (2034), 2014 states have call successors, (2034) [2024-11-28 02:09:52,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8306 states to 8306 states and 10429 transitions. [2024-11-28 02:09:52,053 INFO L78 Accepts]: Start accepts. Automaton has 8306 states and 10429 transitions. Word has length 301 [2024-11-28 02:09:52,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:09:52,053 INFO L471 AbstractCegarLoop]: Abstraction has 8306 states and 10429 transitions. [2024-11-28 02:09:52,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 13.0) internal successors, (117), 8 states have internal predecessors, (117), 3 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (39), 4 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-28 02:09:52,054 INFO L276 IsEmpty]: Start isEmpty. Operand 8306 states and 10429 transitions. [2024-11-28 02:09:52,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2024-11-28 02:09:52,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:09:52,058 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2024-11-28 02:09:52,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-28 02:09:52,058 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:09:52,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:52,058 INFO L85 PathProgramCache]: Analyzing trace with hash -400808300, now seen corresponding path program 1 times [2024-11-28 02:09:52,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:52,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105785266] [2024-11-28 02:09:52,059 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:52,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:53,304 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 877 trivial. 0 not checked. [2024-11-28 02:09:53,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:53,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105785266] [2024-11-28 02:09:53,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105785266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:53,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:53,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 02:09:53,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289423912] [2024-11-28 02:09:53,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:53,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:09:53,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:53,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:09:53,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:09:53,307 INFO L87 Difference]: Start difference. First operand 8306 states and 10429 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-28 02:09:54,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:09:54,738 INFO L93 Difference]: Finished difference Result 14963 states and 18745 transitions. [2024-11-28 02:09:54,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:09:54,738 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 313 [2024-11-28 02:09:54,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:09:54,778 INFO L225 Difference]: With dead ends: 14963 [2024-11-28 02:09:54,778 INFO L226 Difference]: Without dead ends: 8308 [2024-11-28 02:09:54,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:09:54,802 INFO L435 NwaCegarLoop]: 1788 mSDtfsCounter, 0 mSDsluCounter, 1782 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3570 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 02:09:54,803 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3570 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 02:09:54,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8308 states. [2024-11-28 02:09:55,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8308 to 8308. [2024-11-28 02:09:55,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8308 states, 5420 states have (on average 1.1773062730627306) internal successors, (6381), 5565 states have internal predecessors, (6381), 2016 states have call successors, (2016), 878 states have call predecessors, (2016), 867 states have return successors, (2034), 1962 states have call predecessors, (2034), 2014 states have call successors, (2034) [2024-11-28 02:09:56,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8308 states to 8308 states and 10431 transitions. [2024-11-28 02:09:56,010 INFO L78 Accepts]: Start accepts. Automaton has 8308 states and 10431 transitions. Word has length 313 [2024-11-28 02:09:56,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:09:56,011 INFO L471 AbstractCegarLoop]: Abstraction has 8308 states and 10431 transitions. [2024-11-28 02:09:56,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-28 02:09:56,011 INFO L276 IsEmpty]: Start isEmpty. Operand 8308 states and 10431 transitions. [2024-11-28 02:09:56,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2024-11-28 02:09:56,016 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:09:56,016 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2024-11-28 02:09:56,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-28 02:09:56,017 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:09:56,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:09:56,018 INFO L85 PathProgramCache]: Analyzing trace with hash 62959888, now seen corresponding path program 1 times [2024-11-28 02:09:56,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:09:56,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943285249] [2024-11-28 02:09:56,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:09:56,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:09:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:09:57,549 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 877 trivial. 0 not checked. [2024-11-28 02:09:57,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:09:57,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943285249] [2024-11-28 02:09:57,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943285249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:09:57,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:09:57,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:09:57,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276969092] [2024-11-28 02:09:57,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:09:57,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:09:57,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:09:57,551 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:09:57,552 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:09:57,552 INFO L87 Difference]: Start difference. First operand 8308 states and 10431 transitions. Second operand has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-28 02:09:59,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:09:59,212 INFO L93 Difference]: Finished difference Result 15399 states and 19292 transitions. [2024-11-28 02:09:59,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 02:09:59,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 314 [2024-11-28 02:09:59,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:09:59,248 INFO L225 Difference]: With dead ends: 15399 [2024-11-28 02:09:59,248 INFO L226 Difference]: Without dead ends: 8370 [2024-11-28 02:09:59,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:09:59,266 INFO L435 NwaCegarLoop]: 1787 mSDtfsCounter, 27 mSDsluCounter, 5295 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 7082 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:09:59,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 7082 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:09:59,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8370 states. [2024-11-28 02:10:00,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8370 to 8322. [2024-11-28 02:10:00,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8322 states, 5428 states have (on average 1.1766764922623434) internal successors, (6387), 5573 states have internal predecessors, (6387), 2022 states have call successors, (2022), 878 states have call predecessors, (2022), 867 states have return successors, (2040), 1968 states have call predecessors, (2040), 2020 states have call successors, (2040) [2024-11-28 02:10:00,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8322 states to 8322 states and 10449 transitions. [2024-11-28 02:10:00,460 INFO L78 Accepts]: Start accepts. Automaton has 8322 states and 10449 transitions. Word has length 314 [2024-11-28 02:10:00,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:10:00,460 INFO L471 AbstractCegarLoop]: Abstraction has 8322 states and 10449 transitions. [2024-11-28 02:10:00,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 21.6) internal successors, (108), 5 states have internal predecessors, (108), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-28 02:10:00,461 INFO L276 IsEmpty]: Start isEmpty. Operand 8322 states and 10449 transitions. [2024-11-28 02:10:00,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2024-11-28 02:10:00,464 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:10:00,464 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2024-11-28 02:10:00,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-28 02:10:00,464 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:10:00,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:00,465 INFO L85 PathProgramCache]: Analyzing trace with hash -802041240, now seen corresponding path program 1 times [2024-11-28 02:10:00,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:10:00,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264100625] [2024-11-28 02:10:00,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:00,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:10:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:02,026 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 877 trivial. 0 not checked. [2024-11-28 02:10:02,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:10:02,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264100625] [2024-11-28 02:10:02,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264100625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:10:02,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:10:02,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 02:10:02,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062602753] [2024-11-28 02:10:02,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:10:02,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 02:10:02,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:10:02,029 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 02:10:02,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:10:02,029 INFO L87 Difference]: Start difference. First operand 8322 states and 10449 transitions. Second operand has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-28 02:10:03,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:10:03,861 INFO L93 Difference]: Finished difference Result 15341 states and 19192 transitions. [2024-11-28 02:10:03,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:10:03,862 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 315 [2024-11-28 02:10:03,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:10:03,889 INFO L225 Difference]: With dead ends: 15341 [2024-11-28 02:10:03,889 INFO L226 Difference]: Without dead ends: 8376 [2024-11-28 02:10:03,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-28 02:10:03,906 INFO L435 NwaCegarLoop]: 1788 mSDtfsCounter, 27 mSDsluCounter, 7082 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 8870 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 02:10:03,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 8870 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 02:10:03,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8376 states. [2024-11-28 02:10:05,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8376 to 8326. [2024-11-28 02:10:05,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8326 states, 5432 states have (on average 1.1765463917525774) internal successors, (6391), 5577 states have internal predecessors, (6391), 2022 states have call successors, (2022), 878 states have call predecessors, (2022), 867 states have return successors, (2040), 1968 states have call predecessors, (2040), 2020 states have call successors, (2040) [2024-11-28 02:10:05,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8326 states to 8326 states and 10453 transitions. [2024-11-28 02:10:05,121 INFO L78 Accepts]: Start accepts. Automaton has 8326 states and 10453 transitions. Word has length 315 [2024-11-28 02:10:05,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:10:05,121 INFO L471 AbstractCegarLoop]: Abstraction has 8326 states and 10453 transitions. [2024-11-28 02:10:05,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.166666666666668) internal successors, (109), 6 states have internal predecessors, (109), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-28 02:10:05,122 INFO L276 IsEmpty]: Start isEmpty. Operand 8326 states and 10453 transitions. [2024-11-28 02:10:05,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-28 02:10:05,125 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:10:05,125 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2024-11-28 02:10:05,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-28 02:10:05,125 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:10:05,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:05,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1567485843, now seen corresponding path program 1 times [2024-11-28 02:10:05,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:10:05,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162378979] [2024-11-28 02:10:05,126 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:05,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:10:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:06,540 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 877 trivial. 0 not checked. [2024-11-28 02:10:06,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:10:06,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162378979] [2024-11-28 02:10:06,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162378979] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:10:06,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:10:06,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:10:06,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702550082] [2024-11-28 02:10:06,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:10:06,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:10:06,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:10:06,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:10:06,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:10:06,542 INFO L87 Difference]: Start difference. First operand 8326 states and 10453 transitions. Second operand has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-28 02:10:08,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:10:08,181 INFO L93 Difference]: Finished difference Result 15453 states and 19364 transitions. [2024-11-28 02:10:08,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:10:08,181 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 316 [2024-11-28 02:10:08,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:10:08,219 INFO L225 Difference]: With dead ends: 15453 [2024-11-28 02:10:08,219 INFO L226 Difference]: Without dead ends: 8420 [2024-11-28 02:10:08,235 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 02:10:08,235 INFO L435 NwaCegarLoop]: 1810 mSDtfsCounter, 17 mSDsluCounter, 5354 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 7164 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:10:08,236 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 7164 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 02:10:08,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8420 states. [2024-11-28 02:10:09,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8420 to 8352. [2024-11-28 02:10:09,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8352 states, 5450 states have (on average 1.1763302752293578) internal successors, (6411), 5595 states have internal predecessors, (6411), 2030 states have call successors, (2030), 878 states have call predecessors, (2030), 867 states have return successors, (2048), 1976 states have call predecessors, (2048), 2028 states have call successors, (2048) [2024-11-28 02:10:09,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8352 states to 8352 states and 10489 transitions. [2024-11-28 02:10:09,424 INFO L78 Accepts]: Start accepts. Automaton has 8352 states and 10489 transitions. Word has length 316 [2024-11-28 02:10:09,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:10:09,425 INFO L471 AbstractCegarLoop]: Abstraction has 8352 states and 10489 transitions. [2024-11-28 02:10:09,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (41), 2 states have call predecessors, (41), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-28 02:10:09,425 INFO L276 IsEmpty]: Start isEmpty. Operand 8352 states and 10489 transitions. [2024-11-28 02:10:09,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2024-11-28 02:10:09,429 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:10:09,429 INFO L218 NwaCegarLoop]: trace histogram [19, 19, 19, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 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] [2024-11-28 02:10:09,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-11-28 02:10:09,430 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:10:09,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:09,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1992267430, now seen corresponding path program 1 times [2024-11-28 02:10:09,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:10:09,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56091781] [2024-11-28 02:10:09,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:09,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:10:10,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:11,247 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 877 trivial. 0 not checked. [2024-11-28 02:10:11,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:10:11,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56091781] [2024-11-28 02:10:11,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56091781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:10:11,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:10:11,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 02:10:11,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805428894] [2024-11-28 02:10:11,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:10:11,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 02:10:11,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:10:11,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 02:10:11,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 02:10:11,249 INFO L87 Difference]: Start difference. First operand 8352 states and 10489 transitions. Second operand has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-28 02:10:15,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-28 02:10:17,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:10:17,273 INFO L93 Difference]: Finished difference Result 8352 states and 10489 transitions. [2024-11-28 02:10:17,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 02:10:17,274 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 317 [2024-11-28 02:10:17,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:10:17,304 INFO L225 Difference]: With dead ends: 8352 [2024-11-28 02:10:17,304 INFO L226 Difference]: Without dead ends: 8350 [2024-11-28 02:10:17,308 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-28 02:10:17,308 INFO L435 NwaCegarLoop]: 1803 mSDtfsCounter, 171 mSDsluCounter, 5216 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 7019 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:10:17,309 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 7019 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-28 02:10:17,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8350 states. [2024-11-28 02:10:18,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8350 to 8350. [2024-11-28 02:10:18,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8350 states, 5449 states have (on average 1.173426316755368) internal successors, (6394), 5593 states have internal predecessors, (6394), 2030 states have call successors, (2030), 878 states have call predecessors, (2030), 867 states have return successors, (2048), 1976 states have call predecessors, (2048), 2028 states have call successors, (2048) [2024-11-28 02:10:18,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8350 states to 8350 states and 10472 transitions. [2024-11-28 02:10:18,489 INFO L78 Accepts]: Start accepts. Automaton has 8350 states and 10472 transitions. Word has length 317 [2024-11-28 02:10:18,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:10:18,490 INFO L471 AbstractCegarLoop]: Abstraction has 8350 states and 10472 transitions. [2024-11-28 02:10:18,490 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.2) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (41), 3 states have call predecessors, (41), 2 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-11-28 02:10:18,490 INFO L276 IsEmpty]: Start isEmpty. Operand 8350 states and 10472 transitions. [2024-11-28 02:10:18,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2024-11-28 02:10:18,496 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:10:18,496 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:10:18,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-11-28 02:10:18,496 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:10:18,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:18,497 INFO L85 PathProgramCache]: Analyzing trace with hash -2122242730, now seen corresponding path program 1 times [2024-11-28 02:10:18,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:10:18,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432011741] [2024-11-28 02:10:18,497 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:18,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:10:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:21,045 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 3 proven. 42 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2024-11-28 02:10:21,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:10:21,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432011741] [2024-11-28 02:10:21,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432011741] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:10:21,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405520974] [2024-11-28 02:10:21,045 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:21,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:10:21,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:10:21,050 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:10:21,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 02:10:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:25,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 3776 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-28 02:10:25,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:10:26,107 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 251 proven. 3 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2024-11-28 02:10:26,108 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:10:29,111 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2024-11-28 02:10:29,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405520974] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:10:29,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:10:29,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 8] total 16 [2024-11-28 02:10:29,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152129669] [2024-11-28 02:10:29,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:10:29,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-28 02:10:29,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:10:29,115 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-28 02:10:29,116 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-28 02:10:29,116 INFO L87 Difference]: Start difference. First operand 8350 states and 10472 transitions. Second operand has 16 states, 15 states have (on average 14.133333333333333) internal successors, (212), 14 states have internal predecessors, (212), 6 states have call successors, (92), 2 states have call predecessors, (92), 5 states have return successors, (91), 7 states have call predecessors, (91), 6 states have call successors, (91) [2024-11-28 02:10:32,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:10:32,711 INFO L93 Difference]: Finished difference Result 15978 states and 20069 transitions. [2024-11-28 02:10:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-28 02:10:32,712 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 14.133333333333333) internal successors, (212), 14 states have internal predecessors, (212), 6 states have call successors, (92), 2 states have call predecessors, (92), 5 states have return successors, (91), 7 states have call predecessors, (91), 6 states have call successors, (91) Word has length 322 [2024-11-28 02:10:32,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:10:32,744 INFO L225 Difference]: With dead ends: 15978 [2024-11-28 02:10:32,745 INFO L226 Difference]: Without dead ends: 8301 [2024-11-28 02:10:32,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 649 GetRequests, 634 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2024-11-28 02:10:32,763 INFO L435 NwaCegarLoop]: 1756 mSDtfsCounter, 128 mSDsluCounter, 20599 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 22355 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:10:32,763 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 22355 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-28 02:10:32,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8301 states. [2024-11-28 02:10:33,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8301 to 8300. [2024-11-28 02:10:33,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8300 states, 5421 states have (on average 1.1735842095554325) internal successors, (6362), 5561 states have internal predecessors, (6362), 2015 states have call successors, (2015), 871 states have call predecessors, (2015), 860 states have return successors, (2033), 1962 states have call predecessors, (2033), 2013 states have call successors, (2033) [2024-11-28 02:10:33,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8300 states to 8300 states and 10410 transitions. [2024-11-28 02:10:33,959 INFO L78 Accepts]: Start accepts. Automaton has 8300 states and 10410 transitions. Word has length 322 [2024-11-28 02:10:33,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:10:33,959 INFO L471 AbstractCegarLoop]: Abstraction has 8300 states and 10410 transitions. [2024-11-28 02:10:33,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 14.133333333333333) internal successors, (212), 14 states have internal predecessors, (212), 6 states have call successors, (92), 2 states have call predecessors, (92), 5 states have return successors, (91), 7 states have call predecessors, (91), 6 states have call successors, (91) [2024-11-28 02:10:33,960 INFO L276 IsEmpty]: Start isEmpty. Operand 8300 states and 10410 transitions. [2024-11-28 02:10:33,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-28 02:10:33,965 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:10:33,965 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:10:33,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 02:10:34,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:10:34,166 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:10:34,167 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:34,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1657889157, now seen corresponding path program 1 times [2024-11-28 02:10:34,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:10:34,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066509875] [2024-11-28 02:10:34,167 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:34,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:10:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:38,985 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 19 proven. 54 refuted. 0 times theorem prover too weak. 577 trivial. 0 not checked. [2024-11-28 02:10:38,986 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:10:38,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066509875] [2024-11-28 02:10:38,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066509875] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 02:10:38,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [50662204] [2024-11-28 02:10:38,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:38,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:10:38,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:10:38,990 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:10:38,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 02:10:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:10:43,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 3792 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-28 02:10:43,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 02:10:43,802 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 337 proven. 3 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-11-28 02:10:43,803 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 02:10:46,399 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 18 proven. 51 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2024-11-28 02:10:46,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [50662204] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 02:10:46,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 02:10:46,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 14 [2024-11-28 02:10:46,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097513361] [2024-11-28 02:10:46,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 02:10:46,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-28 02:10:46,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:10:46,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-28 02:10:46,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:10:46,402 INFO L87 Difference]: Start difference. First operand 8300 states and 10410 transitions. Second operand has 14 states, 13 states have (on average 15.923076923076923) internal successors, (207), 12 states have internal predecessors, (207), 5 states have call successors, (89), 2 states have call predecessors, (89), 5 states have return successors, (88), 6 states have call predecessors, (88), 5 states have call successors, (88) [2024-11-28 02:10:49,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:10:49,214 INFO L93 Difference]: Finished difference Result 15916 states and 19993 transitions. [2024-11-28 02:10:49,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 02:10:49,214 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 15.923076923076923) internal successors, (207), 12 states have internal predecessors, (207), 5 states have call successors, (89), 2 states have call predecessors, (89), 5 states have return successors, (88), 6 states have call predecessors, (88), 5 states have call successors, (88) Word has length 326 [2024-11-28 02:10:49,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:10:49,243 INFO L225 Difference]: With dead ends: 15916 [2024-11-28 02:10:49,244 INFO L226 Difference]: Without dead ends: 8300 [2024-11-28 02:10:49,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 660 GetRequests, 645 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-28 02:10:49,261 INFO L435 NwaCegarLoop]: 1757 mSDtfsCounter, 238 mSDsluCounter, 12081 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 13838 SdHoareTripleChecker+Invalid, 309 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-28 02:10:49,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 13838 Invalid, 309 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-28 02:10:49,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8300 states. [2024-11-28 02:10:50,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8300 to 8300. [2024-11-28 02:10:50,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8300 states, 5421 states have (on average 1.1733997417450654) internal successors, (6361), 5560 states have internal predecessors, (6361), 2015 states have call successors, (2015), 871 states have call predecessors, (2015), 860 states have return successors, (2033), 1962 states have call predecessors, (2033), 2013 states have call successors, (2033) [2024-11-28 02:10:50,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8300 states to 8300 states and 10409 transitions. [2024-11-28 02:10:50,358 INFO L78 Accepts]: Start accepts. Automaton has 8300 states and 10409 transitions. Word has length 326 [2024-11-28 02:10:50,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:10:50,358 INFO L471 AbstractCegarLoop]: Abstraction has 8300 states and 10409 transitions. [2024-11-28 02:10:50,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 15.923076923076923) internal successors, (207), 12 states have internal predecessors, (207), 5 states have call successors, (89), 2 states have call predecessors, (89), 5 states have return successors, (88), 6 states have call predecessors, (88), 5 states have call successors, (88) [2024-11-28 02:10:50,359 INFO L276 IsEmpty]: Start isEmpty. Operand 8300 states and 10409 transitions. [2024-11-28 02:10:50,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-28 02:10:50,363 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:10:50,363 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 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, 1, 1, 1, 1] [2024-11-28 02:10:50,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-28 02:10:50,563 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:10:50,563 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2024-11-28 02:10:50,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:10:50,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1165855944, now seen corresponding path program 1 times [2024-11-28 02:10:50,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:10:50,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30267840] [2024-11-28 02:10:50,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:50,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:10:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-28 02:10:54,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1399988528] [2024-11-28 02:10:54,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:10:54,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 02:10:54,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:10:54,287 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 02:10:54,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa2996a4-3664-4c8c-a1a4-fa18f37aa833/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process