./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC --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 8014a45acdf713b7b2455e92c8d4dc73a660e01c8a01c7e4d12316d74b118b13 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 02:10:27,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:10:27,726 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 02:10:27,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:10:27,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:10:27,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:10:27,794 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:10:27,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:10:27,795 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:10:27,795 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:10:27,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 02:10:27,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 02:10:27,798 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:10:27,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:10:27,798 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:10:27,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:10:27,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 02:10:27,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 02:10:27,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:10:27,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 02:10:27,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 02:10:27,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 02:10:27,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 02:10:27,799 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:10:27,799 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:10:27,799 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 02:10:27,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:10:27,799 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:10:27,800 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:10:27,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:10:27,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:10:27,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:10:27,800 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:10:27,800 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:10:27,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:10:27,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:10:27,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 02:10:27,801 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 02:10:27,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 02:10:27,801 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 02:10:27,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 02:10:27,801 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 02:10:27,801 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 02:10:27,801 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 02:10:27,801 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 02:10:27,801 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC 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 -> 8014a45acdf713b7b2455e92c8d4dc73a660e01c8a01c7e4d12316d74b118b13 [2024-11-24 02:10:28,170 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:10:28,187 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:10:28,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:10:28,192 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:10:28,193 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:10:28,196 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i [2024-11-24 02:10:31,635 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/data/68eabc659/4c8f2c86fc48451aac5aa7b7d9f21527/FLAG320a71654 [2024-11-24 02:10:32,497 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:10:32,498 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i [2024-11-24 02:10:32,570 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/data/68eabc659/4c8f2c86fc48451aac5aa7b7d9f21527/FLAG320a71654 [2024-11-24 02:10:32,591 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/data/68eabc659/4c8f2c86fc48451aac5aa7b7d9f21527 [2024-11-24 02:10:32,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:10:32,595 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:10:32,597 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:10:32,597 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:10:32,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:10:32,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:10:32" (1/1) ... [2024-11-24 02:10:32,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78b000e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:32, skipping insertion in model container [2024-11-24 02:10:32,607 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:10:32" (1/1) ... [2024-11-24 02:10:32,740 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:10:35,942 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287816,287829] [2024-11-24 02:10:35,951 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287961,287974] [2024-11-24 02:10:35,951 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288107,288120] [2024-11-24 02:10:35,952 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288272,288285] [2024-11-24 02:10:35,952 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288430,288443] [2024-11-24 02:10:35,953 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288588,288601] [2024-11-24 02:10:35,953 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288746,288759] [2024-11-24 02:10:35,953 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288906,288919] [2024-11-24 02:10:35,954 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289065,289078] [2024-11-24 02:10:35,958 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289204,289217] [2024-11-24 02:10:35,959 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289346,289359] [2024-11-24 02:10:35,959 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289495,289508] [2024-11-24 02:10:35,960 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289634,289647] [2024-11-24 02:10:35,960 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289789,289802] [2024-11-24 02:10:35,961 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289949,289962] [2024-11-24 02:10:35,961 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290100,290113] [2024-11-24 02:10:35,961 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290251,290264] [2024-11-24 02:10:35,962 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290403,290416] [2024-11-24 02:10:35,963 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290552,290565] [2024-11-24 02:10:35,964 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290700,290713] [2024-11-24 02:10:35,964 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290857,290870] [2024-11-24 02:10:35,966 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291006,291019] [2024-11-24 02:10:35,967 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291162,291175] [2024-11-24 02:10:35,968 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291315,291328] [2024-11-24 02:10:35,968 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291461,291474] [2024-11-24 02:10:35,972 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291604,291617] [2024-11-24 02:10:35,972 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291756,291769] [2024-11-24 02:10:35,972 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291902,291915] [2024-11-24 02:10:35,973 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292047,292060] [2024-11-24 02:10:35,973 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292201,292214] [2024-11-24 02:10:35,973 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292352,292365] [2024-11-24 02:10:35,974 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292507,292520] [2024-11-24 02:10:35,974 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292659,292672] [2024-11-24 02:10:35,974 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292814,292827] [2024-11-24 02:10:35,974 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292978,292991] [2024-11-24 02:10:35,975 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293134,293147] [2024-11-24 02:10:35,975 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293298,293311] [2024-11-24 02:10:35,975 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293440,293453] [2024-11-24 02:10:35,976 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293598,293611] [2024-11-24 02:10:35,976 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293765,293778] [2024-11-24 02:10:35,977 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293924,293937] [2024-11-24 02:10:35,977 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294083,294096] [2024-11-24 02:10:35,977 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294232,294245] [2024-11-24 02:10:35,978 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294379,294392] [2024-11-24 02:10:35,978 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294518,294531] [2024-11-24 02:10:35,978 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294681,294694] [2024-11-24 02:10:35,979 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294847,294860] [2024-11-24 02:10:35,979 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295011,295024] [2024-11-24 02:10:35,979 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295176,295189] [2024-11-24 02:10:35,980 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295341,295354] [2024-11-24 02:10:35,980 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295507,295520] [2024-11-24 02:10:35,980 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295672,295685] [2024-11-24 02:10:35,981 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295839,295852] [2024-11-24 02:10:35,981 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295999,296012] [2024-11-24 02:10:35,982 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296161,296174] [2024-11-24 02:10:35,982 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296320,296333] [2024-11-24 02:10:35,983 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296466,296479] [2024-11-24 02:10:35,983 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296609,296622] [2024-11-24 02:10:35,983 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296753,296766] [2024-11-24 02:10:35,984 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296896,296909] [2024-11-24 02:10:35,984 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297040,297053] [2024-11-24 02:10:35,984 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297181,297194] [2024-11-24 02:10:35,985 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297319,297332] [2024-11-24 02:10:35,985 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297477,297490] [2024-11-24 02:10:35,986 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297636,297649] [2024-11-24 02:10:35,986 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297792,297805] [2024-11-24 02:10:35,987 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297941,297954] [2024-11-24 02:10:35,987 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298093,298106] [2024-11-24 02:10:35,987 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298244,298257] [2024-11-24 02:10:35,988 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298393,298406] [2024-11-24 02:10:35,988 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298545,298558] [2024-11-24 02:10:35,988 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298693,298706] [2024-11-24 02:10:35,989 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298846,298859] [2024-11-24 02:10:35,989 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298997,299010] [2024-11-24 02:10:35,989 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299147,299160] [2024-11-24 02:10:35,989 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299294,299307] [2024-11-24 02:10:35,990 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299445,299458] [2024-11-24 02:10:35,990 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299596,299609] [2024-11-24 02:10:35,990 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299744,299757] [2024-11-24 02:10:35,991 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299910,299923] [2024-11-24 02:10:35,991 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300079,300092] [2024-11-24 02:10:35,992 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300246,300259] [2024-11-24 02:10:35,992 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300414,300427] [2024-11-24 02:10:35,992 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300564,300577] [2024-11-24 02:10:35,993 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300711,300724] [2024-11-24 02:10:35,993 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300872,300885] [2024-11-24 02:10:35,994 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301042,301055] [2024-11-24 02:10:35,994 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301204,301217] [2024-11-24 02:10:35,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:10:36,027 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:10:36,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [4326-4327] [2024-11-24 02:10:36,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4388] [2024-11-24 02:10:36,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4391] [2024-11-24 02:10:36,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4394] [2024-11-24 02:10:36,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4397] [2024-11-24 02:10:36,352 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287816,287829] [2024-11-24 02:10:36,352 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287961,287974] [2024-11-24 02:10:36,353 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288107,288120] [2024-11-24 02:10:36,353 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288272,288285] [2024-11-24 02:10:36,353 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288430,288443] [2024-11-24 02:10:36,354 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288588,288601] [2024-11-24 02:10:36,356 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288746,288759] [2024-11-24 02:10:36,356 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288906,288919] [2024-11-24 02:10:36,357 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289065,289078] [2024-11-24 02:10:36,357 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289204,289217] [2024-11-24 02:10:36,357 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289346,289359] [2024-11-24 02:10:36,358 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289495,289508] [2024-11-24 02:10:36,358 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289634,289647] [2024-11-24 02:10:36,358 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289789,289802] [2024-11-24 02:10:36,359 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289949,289962] [2024-11-24 02:10:36,359 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290100,290113] [2024-11-24 02:10:36,360 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290251,290264] [2024-11-24 02:10:36,360 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290403,290416] [2024-11-24 02:10:36,360 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290552,290565] [2024-11-24 02:10:36,361 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290700,290713] [2024-11-24 02:10:36,362 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290857,290870] [2024-11-24 02:10:36,364 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291006,291019] [2024-11-24 02:10:36,364 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291162,291175] [2024-11-24 02:10:36,366 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291315,291328] [2024-11-24 02:10:36,366 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291461,291474] [2024-11-24 02:10:36,367 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291604,291617] [2024-11-24 02:10:36,367 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291756,291769] [2024-11-24 02:10:36,367 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291902,291915] [2024-11-24 02:10:36,368 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292047,292060] [2024-11-24 02:10:36,370 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292201,292214] [2024-11-24 02:10:36,370 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292352,292365] [2024-11-24 02:10:36,370 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292507,292520] [2024-11-24 02:10:36,371 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292659,292672] [2024-11-24 02:10:36,371 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292814,292827] [2024-11-24 02:10:36,371 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292978,292991] [2024-11-24 02:10:36,372 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293134,293147] [2024-11-24 02:10:36,372 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293298,293311] [2024-11-24 02:10:36,372 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293440,293453] [2024-11-24 02:10:36,373 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293598,293611] [2024-11-24 02:10:36,375 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293765,293778] [2024-11-24 02:10:36,377 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293924,293937] [2024-11-24 02:10:36,377 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294083,294096] [2024-11-24 02:10:36,378 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294232,294245] [2024-11-24 02:10:36,378 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294379,294392] [2024-11-24 02:10:36,378 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294518,294531] [2024-11-24 02:10:36,379 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294681,294694] [2024-11-24 02:10:36,379 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294847,294860] [2024-11-24 02:10:36,380 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295011,295024] [2024-11-24 02:10:36,380 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295176,295189] [2024-11-24 02:10:36,380 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295341,295354] [2024-11-24 02:10:36,381 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295507,295520] [2024-11-24 02:10:36,381 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295672,295685] [2024-11-24 02:10:36,381 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295839,295852] [2024-11-24 02:10:36,382 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295999,296012] [2024-11-24 02:10:36,382 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296161,296174] [2024-11-24 02:10:36,382 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296320,296333] [2024-11-24 02:10:36,383 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296466,296479] [2024-11-24 02:10:36,383 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296609,296622] [2024-11-24 02:10:36,383 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296753,296766] [2024-11-24 02:10:36,383 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296896,296909] [2024-11-24 02:10:36,384 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297040,297053] [2024-11-24 02:10:36,384 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297181,297194] [2024-11-24 02:10:36,384 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297319,297332] [2024-11-24 02:10:36,385 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297477,297490] [2024-11-24 02:10:36,385 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297636,297649] [2024-11-24 02:10:36,385 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297792,297805] [2024-11-24 02:10:36,386 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297941,297954] [2024-11-24 02:10:36,387 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298093,298106] [2024-11-24 02:10:36,388 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298244,298257] [2024-11-24 02:10:36,389 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298393,298406] [2024-11-24 02:10:36,389 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298545,298558] [2024-11-24 02:10:36,390 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298693,298706] [2024-11-24 02:10:36,390 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298846,298859] [2024-11-24 02:10:36,390 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298997,299010] [2024-11-24 02:10:36,390 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299147,299160] [2024-11-24 02:10:36,391 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299294,299307] [2024-11-24 02:10:36,391 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299445,299458] [2024-11-24 02:10:36,391 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299596,299609] [2024-11-24 02:10:36,392 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299744,299757] [2024-11-24 02:10:36,394 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299910,299923] [2024-11-24 02:10:36,394 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300079,300092] [2024-11-24 02:10:36,395 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300246,300259] [2024-11-24 02:10:36,395 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300414,300427] [2024-11-24 02:10:36,395 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300564,300577] [2024-11-24 02:10:36,396 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300711,300724] [2024-11-24 02:10:36,397 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300872,300885] [2024-11-24 02:10:36,398 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301042,301055] [2024-11-24 02:10:36,398 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_1d96e054-5ccf-4a4b-991e-1b538b561fa8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301204,301217] [2024-11-24 02:10:36,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:10:36,684 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:10:36,685 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:36 WrapperNode [2024-11-24 02:10:36,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:10:36,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:10:36,687 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:10:36,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:10:36,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:36" (1/1) ... [2024-11-24 02:10:36,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:36" (1/1) ... [2024-11-24 02:10:37,000 INFO L138 Inliner]: procedures = 515, calls = 1391, calls flagged for inlining = 240, calls inlined = 170, statements flattened = 3246 [2024-11-24 02:10:37,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:10:37,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:10:37,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:10:37,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:10:37,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:36" (1/1) ... [2024-11-24 02:10:37,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:36" (1/1) ... [2024-11-24 02:10:37,037 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:36" (1/1) ... [2024-11-24 02:10:37,956 INFO L175 MemorySlicer]: Split 469 memory accesses to 12 slices as follows [288, 25, 56, 56, 7, 8, 7, 1, 10, 8, 1, 2]. 61 percent of accesses are in the largest equivalence class. The 73 initializations are split as follows [7, 0, 56, 0, 0, 0, 7, 0, 0, 0, 1, 2]. The 247 writes are split as follows [160, 25, 0, 48, 1, 0, 0, 0, 9, 4, 0, 0]. [2024-11-24 02:10:37,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:36" (1/1) ... [2024-11-24 02:10:37,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:36" (1/1) ... [2024-11-24 02:10:38,068 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:36" (1/1) ... [2024-11-24 02:10:38,074 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:36" (1/1) ... [2024-11-24 02:10:38,087 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:36" (1/1) ... [2024-11-24 02:10:38,119 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:36" (1/1) ... [2024-11-24 02:10:38,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:36" (1/1) ... [2024-11-24 02:10:38,194 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:10:38,195 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:10:38,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:10:38,199 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:10:38,203 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:36" (1/1) ... [2024-11-24 02:10:38,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:10:38,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:10:38,241 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 02:10:38,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 02:10:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2024-11-24 02:10:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2024-11-24 02:10:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2024-11-24 02:10:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2024-11-24 02:10:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 02:10:38,276 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 02:10:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_disable_irq [2024-11-24 02:10:38,276 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_disable_irq [2024-11-24 02:10:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async [2024-11-24 02:10:38,276 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async [2024-11-24 02:10:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 02:10:38,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 02:10:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-24 02:10:38,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-24 02:10:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 02:10:38,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 02:10:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2024-11-24 02:10:38,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2024-11-24 02:10:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2024-11-24 02:10:38,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2024-11-24 02:10:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_read_status [2024-11-24 02:10:38,277 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_read_status [2024-11-24 02:10:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-24 02:10:38,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-24 02:10:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_read_data [2024-11-24 02:10:38,278 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_read_data [2024-11-24 02:10:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-24 02:10:38,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-24 02:10:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2024-11-24 02:10:38,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2024-11-24 02:10:38,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 02:10:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2024-11-24 02:10:38,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2024-11-24 02:10:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_data_reverse [2024-11-24 02:10:38,279 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_data_reverse [2024-11-24 02:10:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-24 02:10:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-24 02:10:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-24 02:10:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-24 02:10:38,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-24 02:10:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-24 02:10:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-24 02:10:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-24 02:10:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-24 02:10:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-24 02:10:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-24 02:10:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-24 02:10:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 02:10:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 02:10:38,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 02:10:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 02:10:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 02:10:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 02:10:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 02:10:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 02:10:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 02:10:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 02:10:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 02:10:38,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 02:10:38,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2024-11-24 02:10:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2024-11-24 02:10:38,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-24 02:10:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-24 02:10:38,282 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-11-24 02:10:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-11-24 02:10:38,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-24 02:10:38,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-24 02:10:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 02:10:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 02:10:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 02:10:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 02:10:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 02:10:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 02:10:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 02:10:38,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 02:10:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 02:10:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 02:10:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 02:10:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 02:10:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2024-11-24 02:10:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2024-11-24 02:10:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2024-11-24 02:10:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2024-11-24 02:10:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2024-11-24 02:10:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2024-11-24 02:10:38,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-24 02:10:38,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-24 02:10:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2024-11-24 02:10:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2024-11-24 02:10:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-24 02:10:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-24 02:10:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure submit_async_request [2024-11-24 02:10:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_async_request [2024-11-24 02:10:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-24 02:10:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-24 02:10:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-24 02:10:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-24 02:10:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 02:10:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:10:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-24 02:10:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-24 02:10:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure change_mode [2024-11-24 02:10:38,285 INFO L138 BoogieDeclarations]: Found implementation of procedure change_mode [2024-11-24 02:10:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 02:10:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 02:10:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 02:10:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 02:10:38,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 02:10:38,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 02:10:38,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 02:10:38,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 02:10:38,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 02:10:38,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 02:10:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 02:10:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 02:10:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 02:10:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-24 02:10:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-24 02:10:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-24 02:10:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_usb_put_dev [2024-11-24 02:10:38,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_usb_put_dev [2024-11-24 02:10:38,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2024-11-24 02:10:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2024-11-24 02:10:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-24 02:10:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-24 02:10:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2024-11-24 02:10:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2024-11-24 02:10:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure parport_generic_irq [2024-11-24 02:10:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_generic_irq [2024-11-24 02:10:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:10:38,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:10:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure get_1284_register [2024-11-24 02:10:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure get_1284_register [2024-11-24 02:10:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-24 02:10:38,289 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-24 02:10:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-24 02:10:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-24 02:10:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-24 02:10:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-24 02:10:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-24 02:10:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-24 02:10:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-24 02:10:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-24 02:10:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-24 02:10:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-24 02:10:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-24 02:10:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-24 02:10:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 02:10:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 02:10:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 02:10:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 02:10:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 02:10:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 02:10:38,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 02:10:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 02:10:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 02:10:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 02:10:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 02:10:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 02:10:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 02:10:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 02:10:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_asynclock_of_parport_uss720_private [2024-11-24 02:10:38,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_asynclock_of_parport_uss720_private [2024-11-24 02:10:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 02:10:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 02:10:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure set_1284_register [2024-11-24 02:10:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1284_register [2024-11-24 02:10:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2024-11-24 02:10:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2024-11-24 02:10:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2024-11-24 02:10:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2024-11-24 02:10:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 02:10:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-24 02:10:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-24 02:10:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-24 02:10:38,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-24 02:10:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 02:10:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 02:10:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 02:10:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 02:10:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 02:10:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 02:10:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 02:10:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 02:10:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 02:10:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 02:10:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 02:10:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 02:10:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure async_complete [2024-11-24 02:10:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure async_complete [2024-11-24 02:10:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_read_control [2024-11-24 02:10:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_read_control [2024-11-24 02:10:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 02:10:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 02:10:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-24 02:10:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-24 02:10:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-24 02:10:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-24 02:10:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-24 02:10:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-24 02:10:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_enable_irq [2024-11-24 02:10:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_enable_irq [2024-11-24 02:10:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-24 02:10:38,293 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-24 02:10:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-24 02:10:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-24 02:10:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure clear_epp_timeout [2024-11-24 02:10:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_epp_timeout [2024-11-24 02:10:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-24 02:10:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-24 02:10:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure uss720_disconnect [2024-11-24 02:10:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure uss720_disconnect [2024-11-24 02:10:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_data_forward [2024-11-24 02:10:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_data_forward [2024-11-24 02:10:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2024-11-24 02:10:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2024-11-24 02:10:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure kill_all_async_requests_priv [2024-11-24 02:10:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_all_async_requests_priv [2024-11-24 02:10:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-24 02:10:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-24 02:10:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-24 02:10:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-24 02:10:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2024-11-24 02:10:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2024-11-24 02:10:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2024-11-24 02:10:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2024-11-24 02:10:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-24 02:10:38,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-24 02:10:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-24 02:10:38,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-24 02:10:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-24 02:10:38,295 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-24 02:10:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 02:10:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 02:10:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 02:10:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 02:10:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 02:10:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 02:10:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 02:10:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 02:10:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 02:10:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 02:10:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 02:10:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 02:10:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-24 02:10:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-24 02:10:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 02:10:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 02:10:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-24 02:10:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-24 02:10:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2024-11-24 02:10:38,298 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2024-11-24 02:10:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-24 02:10:38,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-24 02:10:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-24 02:10:38,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-24 02:10:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 02:10:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 02:10:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 02:10:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 02:10:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 02:10:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 02:10:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 02:10:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 02:10:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 02:10:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 02:10:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 02:10:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 02:10:39,232 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:10:39,237 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:10:39,874 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 02:10:50,532 INFO L? ?]: Removed 1570 outVars from TransFormulas that were not future-live. [2024-11-24 02:10:50,532 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:10:50,597 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:10:50,597 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 02:10:50,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:10:50 BoogieIcfgContainer [2024-11-24 02:10:50,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:10:50,605 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 02:10:50,605 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 02:10:50,614 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 02:10:50,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:10:32" (1/3) ... [2024-11-24 02:10:50,615 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179e5bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:10:50, skipping insertion in model container [2024-11-24 02:10:50,615 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:10:36" (2/3) ... [2024-11-24 02:10:50,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179e5bd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:10:50, skipping insertion in model container [2024-11-24 02:10:50,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:10:50" (3/3) ... [2024-11-24 02:10:50,617 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i [2024-11-24 02:10:50,636 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 02:10:50,640 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i that has 78 procedures, 1215 locations, 1 initial locations, 2 loop locations, and 33 error locations. [2024-11-24 02:10:50,766 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:10:50,786 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;@78868b06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:10:50,786 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-11-24 02:10:50,799 INFO L276 IsEmpty]: Start isEmpty. Operand has 1214 states, 828 states have (on average 1.3067632850241546) internal successors, (1082), 882 states have internal predecessors, (1082), 276 states have call successors, (276), 77 states have call predecessors, (276), 76 states have return successors, (272), 266 states have call predecessors, (272), 272 states have call successors, (272) [2024-11-24 02:10:50,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-24 02:10:50,814 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:10:50,815 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] [2024-11-24 02:10:50,816 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:10:50,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:10:50,824 INFO L85 PathProgramCache]: Analyzing trace with hash 484360122, now seen corresponding path program 1 times [2024-11-24 02:10:50,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:10:50,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246316112] [2024-11-24 02:10:50,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:10:50,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:10:55,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:10:57,106 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:10:57,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:10:57,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246316112] [2024-11-24 02:10:57,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246316112] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:10:57,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:10:57,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 02:10:57,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473654595] [2024-11-24 02:10:57,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:10:57,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:10:57,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:10:57,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:10:57,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:10:57,154 INFO L87 Difference]: Start difference. First operand has 1214 states, 828 states have (on average 1.3067632850241546) internal successors, (1082), 882 states have internal predecessors, (1082), 276 states have call successors, (276), 77 states have call predecessors, (276), 76 states have return successors, (272), 266 states have call predecessors, (272), 272 states have call successors, (272) Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-24 02:10:57,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:10:57,914 INFO L93 Difference]: Finished difference Result 2514 states and 3549 transitions. [2024-11-24 02:10:57,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:10:57,917 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 73 [2024-11-24 02:10:57,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:10:57,959 INFO L225 Difference]: With dead ends: 2514 [2024-11-24 02:10:57,959 INFO L226 Difference]: Without dead ends: 1349 [2024-11-24 02:10:57,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:10:57,987 INFO L435 NwaCegarLoop]: 1717 mSDtfsCounter, 121 mSDsluCounter, 8457 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 10174 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:10:57,989 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 10174 Invalid, 52 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 02:10:58,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2024-11-24 02:10:58,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1344. [2024-11-24 02:10:58,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1344 states, 916 states have (on average 1.252183406113537) internal successors, (1147), 972 states have internal predecessors, (1147), 320 states have call successors, (320), 76 states have call predecessors, (320), 75 states have return successors, (318), 312 states have call predecessors, (318), 318 states have call successors, (318) [2024-11-24 02:10:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1785 transitions. [2024-11-24 02:10:58,232 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1785 transitions. Word has length 73 [2024-11-24 02:10:58,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:10:58,234 INFO L471 AbstractCegarLoop]: Abstraction has 1344 states and 1785 transitions. [2024-11-24 02:10:58,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-24 02:10:58,234 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1785 transitions. [2024-11-24 02:10:58,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-24 02:10:58,241 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:10:58,241 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] [2024-11-24 02:10:58,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 02:10:58,242 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:10:58,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:10:58,244 INFO L85 PathProgramCache]: Analyzing trace with hash 50631036, now seen corresponding path program 1 times [2024-11-24 02:10:58,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:10:58,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501064685] [2024-11-24 02:10:58,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:10:58,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:02,373 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:11:02,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:02,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501064685] [2024-11-24 02:11:02,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501064685] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:02,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:02,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:11:02,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325530281] [2024-11-24 02:11:02,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:02,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:11:02,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:02,379 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:11:02,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:11:02,383 INFO L87 Difference]: Start difference. First operand 1344 states and 1785 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-24 02:11:02,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:11:02,594 INFO L93 Difference]: Finished difference Result 1344 states and 1785 transitions. [2024-11-24 02:11:02,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:11:02,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 73 [2024-11-24 02:11:02,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:11:02,610 INFO L225 Difference]: With dead ends: 1344 [2024-11-24 02:11:02,610 INFO L226 Difference]: Without dead ends: 1342 [2024-11-24 02:11:02,611 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 [2024-11-24 02:11:02,612 INFO L435 NwaCegarLoop]: 1564 mSDtfsCounter, 1532 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1532 SdHoareTripleChecker+Valid, 3127 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 [2024-11-24 02:11:02,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1532 Valid, 3127 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:11:02,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2024-11-24 02:11:02,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1342. [2024-11-24 02:11:02,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 915 states have (on average 1.2513661202185793) internal successors, (1145), 970 states have internal predecessors, (1145), 320 states have call successors, (320), 76 states have call predecessors, (320), 75 states have return successors, (318), 312 states have call predecessors, (318), 318 states have call successors, (318) [2024-11-24 02:11:02,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1783 transitions. [2024-11-24 02:11:02,765 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1783 transitions. Word has length 73 [2024-11-24 02:11:02,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:11:02,767 INFO L471 AbstractCegarLoop]: Abstraction has 1342 states and 1783 transitions. [2024-11-24 02:11:02,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-11-24 02:11:02,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1783 transitions. [2024-11-24 02:11:02,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-24 02:11:02,774 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:11:02,774 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] [2024-11-24 02:11:02,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 02:11:02,775 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:11:02,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:02,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1549341362, now seen corresponding path program 1 times [2024-11-24 02:11:02,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:02,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155119456] [2024-11-24 02:11:02,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:02,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:06,720 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:11:06,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:06,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155119456] [2024-11-24 02:11:06,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155119456] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:06,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:06,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:11:06,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67226136] [2024-11-24 02:11:06,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:06,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:11:06,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:06,724 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:11:06,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:11:06,725 INFO L87 Difference]: Start difference. First operand 1342 states and 1783 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-11-24 02:11:06,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:11:06,935 INFO L93 Difference]: Finished difference Result 1342 states and 1783 transitions. [2024-11-24 02:11:06,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:11:06,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 79 [2024-11-24 02:11:06,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:11:06,952 INFO L225 Difference]: With dead ends: 1342 [2024-11-24 02:11:06,952 INFO L226 Difference]: Without dead ends: 1340 [2024-11-24 02:11:06,954 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 [2024-11-24 02:11:06,959 INFO L435 NwaCegarLoop]: 1562 mSDtfsCounter, 1529 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 SdHoareTripleChecker+Valid, 3123 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 [2024-11-24 02:11:06,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1529 Valid, 3123 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:11:06,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2024-11-24 02:11:07,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1340. [2024-11-24 02:11:07,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 914 states have (on average 1.25054704595186) internal successors, (1143), 968 states have internal predecessors, (1143), 320 states have call successors, (320), 76 states have call predecessors, (320), 75 states have return successors, (318), 312 states have call predecessors, (318), 318 states have call successors, (318) [2024-11-24 02:11:07,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1781 transitions. [2024-11-24 02:11:07,111 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1781 transitions. Word has length 79 [2024-11-24 02:11:07,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:11:07,111 INFO L471 AbstractCegarLoop]: Abstraction has 1340 states and 1781 transitions. [2024-11-24 02:11:07,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2024-11-24 02:11:07,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1781 transitions. [2024-11-24 02:11:07,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-24 02:11:07,117 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:11:07,117 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] [2024-11-24 02:11:07,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 02:11:07,118 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:11:07,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:07,119 INFO L85 PathProgramCache]: Analyzing trace with hash 954445887, now seen corresponding path program 1 times [2024-11-24 02:11:07,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:07,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573192561] [2024-11-24 02:11:07,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:07,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:10,684 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:11:10,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:10,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573192561] [2024-11-24 02:11:10,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1573192561] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:10,684 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:10,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:11:10,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74115932] [2024-11-24 02:11:10,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:10,685 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:11:10,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:10,685 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:11:10,685 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:11:10,686 INFO L87 Difference]: Start difference. First operand 1340 states and 1781 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2024-11-24 02:11:10,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:11:10,868 INFO L93 Difference]: Finished difference Result 1340 states and 1781 transitions. [2024-11-24 02:11:10,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:11:10,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 85 [2024-11-24 02:11:10,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:11:10,881 INFO L225 Difference]: With dead ends: 1340 [2024-11-24 02:11:10,881 INFO L226 Difference]: Without dead ends: 1338 [2024-11-24 02:11:10,882 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 [2024-11-24 02:11:10,884 INFO L435 NwaCegarLoop]: 1560 mSDtfsCounter, 1526 mSDsluCounter, 1559 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1526 SdHoareTripleChecker+Valid, 3119 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 [2024-11-24 02:11:10,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1526 Valid, 3119 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:11:10,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1338 states. [2024-11-24 02:11:10,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1338 to 1338. [2024-11-24 02:11:10,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1338 states, 913 states have (on average 1.2497261774370207) internal successors, (1141), 966 states have internal predecessors, (1141), 320 states have call successors, (320), 76 states have call predecessors, (320), 75 states have return successors, (318), 312 states have call predecessors, (318), 318 states have call successors, (318) [2024-11-24 02:11:11,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1779 transitions. [2024-11-24 02:11:11,002 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1779 transitions. Word has length 85 [2024-11-24 02:11:11,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:11:11,005 INFO L471 AbstractCegarLoop]: Abstraction has 1338 states and 1779 transitions. [2024-11-24 02:11:11,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2024-11-24 02:11:11,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1779 transitions. [2024-11-24 02:11:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-24 02:11:11,008 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:11:11,008 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] [2024-11-24 02:11:11,008 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 02:11:11,009 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:11:11,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:11,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1622806268, now seen corresponding path program 1 times [2024-11-24 02:11:11,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:11,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529153796] [2024-11-24 02:11:11,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:11,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:14,791 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:11:14,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:14,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529153796] [2024-11-24 02:11:14,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529153796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:14,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:14,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:11:14,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788537681] [2024-11-24 02:11:14,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:14,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:11:14,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:14,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:11:14,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:11:14,797 INFO L87 Difference]: Start difference. First operand 1338 states and 1779 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2024-11-24 02:11:15,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:11:15,028 INFO L93 Difference]: Finished difference Result 1338 states and 1779 transitions. [2024-11-24 02:11:15,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:11:15,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 91 [2024-11-24 02:11:15,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:11:15,042 INFO L225 Difference]: With dead ends: 1338 [2024-11-24 02:11:15,043 INFO L226 Difference]: Without dead ends: 1336 [2024-11-24 02:11:15,044 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 [2024-11-24 02:11:15,046 INFO L435 NwaCegarLoop]: 1558 mSDtfsCounter, 1523 mSDsluCounter, 1557 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1523 SdHoareTripleChecker+Valid, 3115 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 [2024-11-24 02:11:15,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1523 Valid, 3115 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:11:15,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2024-11-24 02:11:15,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1336. [2024-11-24 02:11:15,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1336 states, 912 states have (on average 1.2489035087719298) internal successors, (1139), 964 states have internal predecessors, (1139), 320 states have call successors, (320), 76 states have call predecessors, (320), 75 states have return successors, (318), 312 states have call predecessors, (318), 318 states have call successors, (318) [2024-11-24 02:11:15,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1777 transitions. [2024-11-24 02:11:15,222 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1777 transitions. Word has length 91 [2024-11-24 02:11:15,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:11:15,223 INFO L471 AbstractCegarLoop]: Abstraction has 1336 states and 1777 transitions. [2024-11-24 02:11:15,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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) [2024-11-24 02:11:15,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1777 transitions. [2024-11-24 02:11:15,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-24 02:11:15,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:11:15,230 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] [2024-11-24 02:11:15,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 02:11:15,230 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:11:15,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:15,231 INFO L85 PathProgramCache]: Analyzing trace with hash -44842203, now seen corresponding path program 1 times [2024-11-24 02:11:15,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:15,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386849779] [2024-11-24 02:11:15,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:15,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:18,991 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:11:18,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:18,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386849779] [2024-11-24 02:11:18,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386849779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:18,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:18,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:11:18,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427164967] [2024-11-24 02:11:18,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:18,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:11:18,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:18,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:11:18,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:11:18,994 INFO L87 Difference]: Start difference. First operand 1336 states and 1777 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2024-11-24 02:11:19,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:11:19,182 INFO L93 Difference]: Finished difference Result 1336 states and 1777 transitions. [2024-11-24 02:11:19,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:11:19,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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 97 [2024-11-24 02:11:19,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:11:19,194 INFO L225 Difference]: With dead ends: 1336 [2024-11-24 02:11:19,195 INFO L226 Difference]: Without dead ends: 1334 [2024-11-24 02:11:19,196 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 [2024-11-24 02:11:19,198 INFO L435 NwaCegarLoop]: 1556 mSDtfsCounter, 1520 mSDsluCounter, 1555 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1520 SdHoareTripleChecker+Valid, 3111 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 [2024-11-24 02:11:19,198 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1520 Valid, 3111 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:11:19,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2024-11-24 02:11:19,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1334. [2024-11-24 02:11:19,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1334 states, 911 states have (on average 1.2480790340285401) internal successors, (1137), 962 states have internal predecessors, (1137), 320 states have call successors, (320), 76 states have call predecessors, (320), 75 states have return successors, (318), 312 states have call predecessors, (318), 318 states have call successors, (318) [2024-11-24 02:11:19,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1775 transitions. [2024-11-24 02:11:19,325 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1775 transitions. Word has length 97 [2024-11-24 02:11:19,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:11:19,326 INFO L471 AbstractCegarLoop]: Abstraction has 1334 states and 1775 transitions. [2024-11-24 02:11:19,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2024-11-24 02:11:19,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1775 transitions. [2024-11-24 02:11:19,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-24 02:11:19,331 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:11:19,331 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] [2024-11-24 02:11:19,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 02:11:19,332 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:11:19,332 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:19,332 INFO L85 PathProgramCache]: Analyzing trace with hash 1778271008, now seen corresponding path program 1 times [2024-11-24 02:11:19,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:19,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687004830] [2024-11-24 02:11:19,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:19,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:23,262 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:11:23,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:23,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687004830] [2024-11-24 02:11:23,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687004830] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:23,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:23,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:11:23,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465745737] [2024-11-24 02:11:23,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:23,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:11:23,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:23,264 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:11:23,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:11:23,264 INFO L87 Difference]: Start difference. First operand 1334 states and 1775 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-11-24 02:11:23,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:11:23,471 INFO L93 Difference]: Finished difference Result 1334 states and 1775 transitions. [2024-11-24 02:11:23,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:11:23,472 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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 103 [2024-11-24 02:11:23,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:11:23,484 INFO L225 Difference]: With dead ends: 1334 [2024-11-24 02:11:23,484 INFO L226 Difference]: Without dead ends: 1332 [2024-11-24 02:11:23,485 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 [2024-11-24 02:11:23,486 INFO L435 NwaCegarLoop]: 1554 mSDtfsCounter, 1517 mSDsluCounter, 1553 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1517 SdHoareTripleChecker+Valid, 3107 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 [2024-11-24 02:11:23,486 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1517 Valid, 3107 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:11:23,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2024-11-24 02:11:23,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1332. [2024-11-24 02:11:23,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 910 states have (on average 1.2472527472527473) internal successors, (1135), 960 states have internal predecessors, (1135), 320 states have call successors, (320), 76 states have call predecessors, (320), 75 states have return successors, (318), 312 states have call predecessors, (318), 318 states have call successors, (318) [2024-11-24 02:11:23,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1773 transitions. [2024-11-24 02:11:23,629 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1773 transitions. Word has length 103 [2024-11-24 02:11:23,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:11:23,630 INFO L471 AbstractCegarLoop]: Abstraction has 1332 states and 1773 transitions. [2024-11-24 02:11:23,630 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2024-11-24 02:11:23,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1773 transitions. [2024-11-24 02:11:23,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-24 02:11:23,637 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:11:23,637 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] [2024-11-24 02:11:23,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 02:11:23,637 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:11:23,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:23,638 INFO L85 PathProgramCache]: Analyzing trace with hash 60630436, now seen corresponding path program 1 times [2024-11-24 02:11:23,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:23,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927278999] [2024-11-24 02:11:23,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:23,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:27,082 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:11:27,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:27,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927278999] [2024-11-24 02:11:27,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927278999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:27,083 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:27,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:11:27,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089173446] [2024-11-24 02:11:27,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:27,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:11:27,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:27,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:11:27,085 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:11:27,085 INFO L87 Difference]: Start difference. First operand 1332 states and 1773 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-11-24 02:11:27,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:11:27,286 INFO L93 Difference]: Finished difference Result 1332 states and 1773 transitions. [2024-11-24 02:11:27,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:11:27,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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 109 [2024-11-24 02:11:27,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:11:27,300 INFO L225 Difference]: With dead ends: 1332 [2024-11-24 02:11:27,300 INFO L226 Difference]: Without dead ends: 1330 [2024-11-24 02:11:27,302 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 [2024-11-24 02:11:27,303 INFO L435 NwaCegarLoop]: 1552 mSDtfsCounter, 1514 mSDsluCounter, 1551 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 3103 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 [2024-11-24 02:11:27,303 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1514 Valid, 3103 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:11:27,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2024-11-24 02:11:27,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1330. [2024-11-24 02:11:27,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1330 states, 909 states have (on average 1.2464246424642464) internal successors, (1133), 958 states have internal predecessors, (1133), 320 states have call successors, (320), 76 states have call predecessors, (320), 75 states have return successors, (318), 312 states have call predecessors, (318), 318 states have call successors, (318) [2024-11-24 02:11:27,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1771 transitions. [2024-11-24 02:11:27,430 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1771 transitions. Word has length 109 [2024-11-24 02:11:27,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:11:27,431 INFO L471 AbstractCegarLoop]: Abstraction has 1330 states and 1771 transitions. [2024-11-24 02:11:27,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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) [2024-11-24 02:11:27,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1771 transitions. [2024-11-24 02:11:27,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 02:11:27,436 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:11:27,436 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] [2024-11-24 02:11:27,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 02:11:27,439 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:11:27,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:27,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1689294610, now seen corresponding path program 1 times [2024-11-24 02:11:27,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:27,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629938338] [2024-11-24 02:11:27,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:27,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:30,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:30,617 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:11:30,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:30,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629938338] [2024-11-24 02:11:30,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629938338] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:30,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:30,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:11:30,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787906847] [2024-11-24 02:11:30,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:30,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:11:30,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:30,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:11:30,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:11:30,621 INFO L87 Difference]: Start difference. First operand 1330 states and 1771 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) [2024-11-24 02:11:30,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:11:30,986 INFO L93 Difference]: Finished difference Result 2500 states and 3395 transitions. [2024-11-24 02:11:30,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:11:30,987 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 [2024-11-24 02:11:30,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:11:31,010 INFO L225 Difference]: With dead ends: 2500 [2024-11-24 02:11:31,010 INFO L226 Difference]: Without dead ends: 2498 [2024-11-24 02:11:31,013 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 [2024-11-24 02:11:31,014 INFO L435 NwaCegarLoop]: 1699 mSDtfsCounter, 1494 mSDsluCounter, 3153 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 4852 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:11:31,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1494 Valid, 4852 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:11:31,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2024-11-24 02:11:31,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2364. [2024-11-24 02:11:31,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2364 states, 1640 states have (on average 1.2518292682926828) internal successors, (2053), 1703 states have internal predecessors, (2053), 560 states have call successors, (560), 139 states have call predecessors, (560), 138 states have return successors, (646), 548 states have call predecessors, (646), 558 states have call successors, (646) [2024-11-24 02:11:31,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 2364 states and 3259 transitions. [2024-11-24 02:11:31,331 INFO L78 Accepts]: Start accepts. Automaton has 2364 states and 3259 transitions. Word has length 115 [2024-11-24 02:11:31,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:11:31,332 INFO L471 AbstractCegarLoop]: Abstraction has 2364 states and 3259 transitions. [2024-11-24 02:11:31,332 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) [2024-11-24 02:11:31,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 3259 transitions. [2024-11-24 02:11:31,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-24 02:11:31,338 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:11:31,338 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:31,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 02:11:31,338 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:11:31,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:31,339 INFO L85 PathProgramCache]: Analyzing trace with hash 867832817, now seen corresponding path program 1 times [2024-11-24 02:11:31,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:31,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558421422] [2024-11-24 02:11:31,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:31,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:35,263 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-24 02:11:35,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:35,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [558421422] [2024-11-24 02:11:35,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [558421422] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:35,263 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:35,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:11:35,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699571131] [2024-11-24 02:11:35,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:35,264 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:11:35,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:35,265 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:11:35,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:11:35,269 INFO L87 Difference]: Start difference. First operand 2364 states and 3259 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:11:35,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:11:35,815 INFO L93 Difference]: Finished difference Result 4561 states and 6386 transitions. [2024-11-24 02:11:35,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:11:35,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 127 [2024-11-24 02:11:35,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:11:35,839 INFO L225 Difference]: With dead ends: 4561 [2024-11-24 02:11:35,839 INFO L226 Difference]: Without dead ends: 2372 [2024-11-24 02:11:35,857 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:11:35,858 INFO L435 NwaCegarLoop]: 1552 mSDtfsCounter, 0 mSDsluCounter, 4645 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6197 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:11:35,858 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6197 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 02:11:35,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2372 states. [2024-11-24 02:11:36,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2372 to 2372. [2024-11-24 02:11:36,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2372 states, 1646 states have (on average 1.2509113001215066) internal successors, (2059), 1709 states have internal predecessors, (2059), 560 states have call successors, (560), 139 states have call predecessors, (560), 140 states have return successors, (650), 550 states have call predecessors, (650), 558 states have call successors, (650) [2024-11-24 02:11:36,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 2372 states and 3269 transitions. [2024-11-24 02:11:36,092 INFO L78 Accepts]: Start accepts. Automaton has 2372 states and 3269 transitions. Word has length 127 [2024-11-24 02:11:36,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:11:36,093 INFO L471 AbstractCegarLoop]: Abstraction has 2372 states and 3269 transitions. [2024-11-24 02:11:36,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:11:36,093 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 3269 transitions. [2024-11-24 02:11:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-24 02:11:36,097 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:11:36,097 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] [2024-11-24 02:11:36,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 02:11:36,097 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:11:36,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:36,130 INFO L85 PathProgramCache]: Analyzing trace with hash -85379051, now seen corresponding path program 1 times [2024-11-24 02:11:36,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:36,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951702714] [2024-11-24 02:11:36,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:36,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:40,834 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:11:40,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:40,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951702714] [2024-11-24 02:11:40,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951702714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:40,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:40,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:11:40,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80369853] [2024-11-24 02:11:40,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:40,836 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:11:40,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:40,837 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:11:40,838 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:11:40,842 INFO L87 Difference]: Start difference. First operand 2372 states and 3269 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) [2024-11-24 02:11:41,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:11:41,156 INFO L93 Difference]: Finished difference Result 2372 states and 3269 transitions. [2024-11-24 02:11:41,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:11:41,157 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 117 [2024-11-24 02:11:41,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:11:41,179 INFO L225 Difference]: With dead ends: 2372 [2024-11-24 02:11:41,179 INFO L226 Difference]: Without dead ends: 2370 [2024-11-24 02:11:41,181 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 [2024-11-24 02:11:41,183 INFO L435 NwaCegarLoop]: 1549 mSDtfsCounter, 1509 mSDsluCounter, 1548 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 3097 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:11:41,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 3097 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:11:41,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2370 states. [2024-11-24 02:11:41,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2370 to 2370. [2024-11-24 02:11:41,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2370 states, 1645 states have (on average 1.2498480243161094) internal successors, (2056), 1707 states have internal predecessors, (2056), 560 states have call successors, (560), 139 states have call predecessors, (560), 140 states have return successors, (650), 550 states have call predecessors, (650), 558 states have call successors, (650) [2024-11-24 02:11:41,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2370 states and 3266 transitions. [2024-11-24 02:11:41,445 INFO L78 Accepts]: Start accepts. Automaton has 2370 states and 3266 transitions. Word has length 117 [2024-11-24 02:11:41,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:11:41,448 INFO L471 AbstractCegarLoop]: Abstraction has 2370 states and 3266 transitions. [2024-11-24 02:11:41,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) [2024-11-24 02:11:41,450 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 3266 transitions. [2024-11-24 02:11:41,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-24 02:11:41,453 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:11:41,453 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:41,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 02:11:41,454 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:11:41,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:41,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1573352016, now seen corresponding path program 1 times [2024-11-24 02:11:41,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:41,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424686855] [2024-11-24 02:11:41,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:41,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:11:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:11:46,783 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-24 02:11:46,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:11:46,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424686855] [2024-11-24 02:11:46,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424686855] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:11:46,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:11:46,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:11:46,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126290940] [2024-11-24 02:11:46,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:11:46,785 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:11:46,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:11:46,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:11:46,786 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:11:46,786 INFO L87 Difference]: Start difference. First operand 2370 states and 3266 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 02:11:50,843 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 [] [2024-11-24 02:11:57,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:11:57,058 INFO L93 Difference]: Finished difference Result 4633 states and 6652 transitions. [2024-11-24 02:11:57,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:11:57,059 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 131 [2024-11-24 02:11:57,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:11:57,081 INFO L225 Difference]: With dead ends: 4633 [2024-11-24 02:11:57,082 INFO L226 Difference]: Without dead ends: 2370 [2024-11-24 02:11:57,102 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:11:57,103 INFO L435 NwaCegarLoop]: 1548 mSDtfsCounter, 1492 mSDsluCounter, 4098 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1493 SdHoareTripleChecker+Valid, 5646 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:11:57,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1493 Valid, 5646 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 553 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2024-11-24 02:11:57,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2370 states. [2024-11-24 02:11:57,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2370 to 2370. [2024-11-24 02:11:57,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2370 states, 1645 states have (on average 1.2486322188449848) internal successors, (2054), 1707 states have internal predecessors, (2054), 560 states have call successors, (560), 139 states have call predecessors, (560), 140 states have return successors, (650), 550 states have call predecessors, (650), 558 states have call successors, (650) [2024-11-24 02:11:57,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2370 states and 3264 transitions. [2024-11-24 02:11:57,415 INFO L78 Accepts]: Start accepts. Automaton has 2370 states and 3264 transitions. Word has length 131 [2024-11-24 02:11:57,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:11:57,416 INFO L471 AbstractCegarLoop]: Abstraction has 2370 states and 3264 transitions. [2024-11-24 02:11:57,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 02:11:57,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 3264 transitions. [2024-11-24 02:11:57,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-24 02:11:57,419 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:11:57,420 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:11:57,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 02:11:57,421 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:11:57,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:11:57,423 INFO L85 PathProgramCache]: Analyzing trace with hash -1573292434, now seen corresponding path program 1 times [2024-11-24 02:11:57,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:11:57,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084192739] [2024-11-24 02:11:57,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:11:57,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:12:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:12:00,890 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-24 02:12:00,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:12:00,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084192739] [2024-11-24 02:12:00,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084192739] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:12:00,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:12:00,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:12:00,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715266129] [2024-11-24 02:12:00,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:12:00,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:12:00,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:12:00,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:12:00,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:12:00,893 INFO L87 Difference]: Start difference. First operand 2370 states and 3264 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:12:01,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:12:01,140 INFO L93 Difference]: Finished difference Result 2370 states and 3264 transitions. [2024-11-24 02:12:01,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:12:01,140 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), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 131 [2024-11-24 02:12:01,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:12:01,159 INFO L225 Difference]: With dead ends: 2370 [2024-11-24 02:12:01,159 INFO L226 Difference]: Without dead ends: 2368 [2024-11-24 02:12:01,161 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 [2024-11-24 02:12:01,162 INFO L435 NwaCegarLoop]: 1547 mSDtfsCounter, 0 mSDsluCounter, 3091 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4638 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:12:01,163 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4638 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:12:01,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2368 states. [2024-11-24 02:12:01,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2368 to 2368. [2024-11-24 02:12:01,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2368 states, 1644 states have (on average 1.247566909975669) internal successors, (2051), 1705 states have internal predecessors, (2051), 560 states have call successors, (560), 139 states have call predecessors, (560), 140 states have return successors, (650), 550 states have call predecessors, (650), 558 states have call successors, (650) [2024-11-24 02:12:01,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2368 states and 3261 transitions. [2024-11-24 02:12:01,437 INFO L78 Accepts]: Start accepts. Automaton has 2368 states and 3261 transitions. Word has length 131 [2024-11-24 02:12:01,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:12:01,440 INFO L471 AbstractCegarLoop]: Abstraction has 2368 states and 3261 transitions. [2024-11-24 02:12:01,440 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), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:12:01,440 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 3261 transitions. [2024-11-24 02:12:01,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 02:12:01,443 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:12:01,443 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] [2024-11-24 02:12:01,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 02:12:01,444 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:12:01,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:12:01,444 INFO L85 PathProgramCache]: Analyzing trace with hash 2025619641, now seen corresponding path program 1 times [2024-11-24 02:12:01,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:12:01,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955547239] [2024-11-24 02:12:01,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:12:01,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:12:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:12:04,753 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:12:04,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:12:04,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955547239] [2024-11-24 02:12:04,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955547239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:12:04,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:12:04,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:12:04,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918807577] [2024-11-24 02:12:04,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:12:04,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:12:04,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:12:04,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:12:04,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:12:04,756 INFO L87 Difference]: Start difference. First operand 2368 states and 3261 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2024-11-24 02:12:05,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:12:05,039 INFO L93 Difference]: Finished difference Result 2368 states and 3261 transitions. [2024-11-24 02:12:05,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:12:05,040 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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 123 [2024-11-24 02:12:05,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:12:05,063 INFO L225 Difference]: With dead ends: 2368 [2024-11-24 02:12:05,063 INFO L226 Difference]: Without dead ends: 2366 [2024-11-24 02:12:05,065 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 [2024-11-24 02:12:05,066 INFO L435 NwaCegarLoop]: 1545 mSDtfsCounter, 1505 mSDsluCounter, 1544 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1505 SdHoareTripleChecker+Valid, 3089 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 [2024-11-24 02:12:05,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1505 Valid, 3089 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:12:05,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2366 states. [2024-11-24 02:12:05,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2366 to 2366. [2024-11-24 02:12:05,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2366 states, 1643 states have (on average 1.2471089470480827) internal successors, (2049), 1703 states have internal predecessors, (2049), 560 states have call successors, (560), 139 states have call predecessors, (560), 140 states have return successors, (650), 550 states have call predecessors, (650), 558 states have call successors, (650) [2024-11-24 02:12:05,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2366 states and 3259 transitions. [2024-11-24 02:12:05,331 INFO L78 Accepts]: Start accepts. Automaton has 2366 states and 3259 transitions. Word has length 123 [2024-11-24 02:12:05,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:12:05,333 INFO L471 AbstractCegarLoop]: Abstraction has 2366 states and 3259 transitions. [2024-11-24 02:12:05,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 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) [2024-11-24 02:12:05,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 3259 transitions. [2024-11-24 02:12:05,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-24 02:12:05,338 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:12:05,338 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] [2024-11-24 02:12:05,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 02:12:05,338 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:12:05,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:12:05,339 INFO L85 PathProgramCache]: Analyzing trace with hash -715082059, now seen corresponding path program 1 times [2024-11-24 02:12:05,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:12:05,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985720897] [2024-11-24 02:12:05,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:12:05,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:12:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:12:10,955 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-24 02:12:10,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:12:10,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985720897] [2024-11-24 02:12:10,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985720897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:12:10,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:12:10,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 02:12:10,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877159257] [2024-11-24 02:12:10,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:12:10,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 02:12:10,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:12:10,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 02:12:10,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:12:10,959 INFO L87 Difference]: Start difference. First operand 2366 states and 3259 transitions. Second operand has 9 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 3 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) [2024-11-24 02:12:12,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:12:12,578 INFO L93 Difference]: Finished difference Result 4477 states and 6122 transitions. [2024-11-24 02:12:12,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:12:12,579 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 3 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 166 [2024-11-24 02:12:12,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:12:12,619 INFO L225 Difference]: With dead ends: 4477 [2024-11-24 02:12:12,623 INFO L226 Difference]: Without dead ends: 2412 [2024-11-24 02:12:12,639 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-24 02:12:12,641 INFO L435 NwaCegarLoop]: 1542 mSDtfsCounter, 12 mSDsluCounter, 10776 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 12318 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:12:12,641 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 12318 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 02:12:12,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2412 states. [2024-11-24 02:12:13,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2412 to 2392. [2024-11-24 02:12:13,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2392 states, 1662 states have (on average 1.246690734055355) internal successors, (2072), 1724 states have internal predecessors, (2072), 566 states have call successors, (566), 140 states have call predecessors, (566), 141 states have return successors, (656), 554 states have call predecessors, (656), 564 states have call successors, (656) [2024-11-24 02:12:13,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 3294 transitions. [2024-11-24 02:12:13,064 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 3294 transitions. Word has length 166 [2024-11-24 02:12:13,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:12:13,065 INFO L471 AbstractCegarLoop]: Abstraction has 2392 states and 3294 transitions. [2024-11-24 02:12:13,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 3 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) [2024-11-24 02:12:13,066 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 3294 transitions. [2024-11-24 02:12:13,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-24 02:12:13,072 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:12:13,073 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] [2024-11-24 02:12:13,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 02:12:13,073 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:12:13,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:12:13,074 INFO L85 PathProgramCache]: Analyzing trace with hash 873265843, now seen corresponding path program 1 times [2024-11-24 02:12:13,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:12:13,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503689622] [2024-11-24 02:12:13,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:12:13,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:12:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:12:16,735 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-24 02:12:16,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:12:16,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503689622] [2024-11-24 02:12:16,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503689622] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:12:16,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:12:16,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:12:16,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585480332] [2024-11-24 02:12:16,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:12:16,739 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:12:16,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:12:16,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:12:16,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:12:16,739 INFO L87 Difference]: Start difference. First operand 2392 states and 3294 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 02:12:20,791 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 [] [2024-11-24 02:12:30,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:12:30,954 INFO L93 Difference]: Finished difference Result 6888 states and 10257 transitions. [2024-11-24 02:12:30,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:12:30,955 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 166 [2024-11-24 02:12:30,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:12:30,991 INFO L225 Difference]: With dead ends: 6888 [2024-11-24 02:12:30,991 INFO L226 Difference]: Without dead ends: 4665 [2024-11-24 02:12:31,012 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:12:31,013 INFO L435 NwaCegarLoop]: 3108 mSDtfsCounter, 3069 mSDsluCounter, 5073 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3069 SdHoareTripleChecker+Valid, 8181 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2024-11-24 02:12:31,013 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3069 Valid, 8181 Invalid, 1170 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1165 Invalid, 1 Unknown, 0 Unchecked, 13.6s Time] [2024-11-24 02:12:31,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4665 states. [2024-11-24 02:12:31,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4665 to 4394. [2024-11-24 02:12:31,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4394 states, 3079 states have (on average 1.25462812601494) internal successors, (3863), 3172 states have internal predecessors, (3863), 1038 states have call successors, (1038), 251 states have call predecessors, (1038), 254 states have return successors, (1488), 1020 states have call predecessors, (1488), 1036 states have call successors, (1488) [2024-11-24 02:12:31,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4394 states to 4394 states and 6389 transitions. [2024-11-24 02:12:31,495 INFO L78 Accepts]: Start accepts. Automaton has 4394 states and 6389 transitions. Word has length 166 [2024-11-24 02:12:31,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:12:31,496 INFO L471 AbstractCegarLoop]: Abstraction has 4394 states and 6389 transitions. [2024-11-24 02:12:31,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 02:12:31,496 INFO L276 IsEmpty]: Start isEmpty. Operand 4394 states and 6389 transitions. [2024-11-24 02:12:31,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-24 02:12:31,500 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:12:31,500 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:12:31,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 02:12:31,501 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:12:31,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:12:31,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1704195124, now seen corresponding path program 1 times [2024-11-24 02:12:31,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:12:31,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392124468] [2024-11-24 02:12:31,503 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:12:31,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:12:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:12:34,372 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-24 02:12:34,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:12:34,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392124468] [2024-11-24 02:12:34,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392124468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:12:34,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:12:34,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 02:12:34,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071978403] [2024-11-24 02:12:34,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:12:34,374 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:12:34,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:12:34,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:12:34,375 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:12:34,375 INFO L87 Difference]: Start difference. First operand 4394 states and 6389 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 02:12:34,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:12:34,754 INFO L93 Difference]: Finished difference Result 8629 states and 13366 transitions. [2024-11-24 02:12:34,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:12:34,755 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 138 [2024-11-24 02:12:34,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:12:34,789 INFO L225 Difference]: With dead ends: 8629 [2024-11-24 02:12:34,789 INFO L226 Difference]: Without dead ends: 4384 [2024-11-24 02:12:34,823 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 [2024-11-24 02:12:34,824 INFO L435 NwaCegarLoop]: 1540 mSDtfsCounter, 1482 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1482 SdHoareTripleChecker+Valid, 1540 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 [2024-11-24 02:12:34,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1482 Valid, 1540 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:12:34,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4384 states. [2024-11-24 02:12:35,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4384 to 4384. [2024-11-24 02:12:35,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4384 states, 3070 states have (on average 1.2527687296416938) internal successors, (3846), 3162 states have internal predecessors, (3846), 1038 states have call successors, (1038), 251 states have call predecessors, (1038), 254 states have return successors, (1488), 1020 states have call predecessors, (1488), 1036 states have call successors, (1488) [2024-11-24 02:12:35,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4384 states to 4384 states and 6372 transitions. [2024-11-24 02:12:35,441 INFO L78 Accepts]: Start accepts. Automaton has 4384 states and 6372 transitions. Word has length 138 [2024-11-24 02:12:35,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:12:35,442 INFO L471 AbstractCegarLoop]: Abstraction has 4384 states and 6372 transitions. [2024-11-24 02:12:35,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 02:12:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 4384 states and 6372 transitions. [2024-11-24 02:12:35,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-24 02:12:35,447 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:12:35,447 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] [2024-11-24 02:12:35,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 02:12:35,448 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_usb_dev_usb_put_devErr1ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:12:35,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:12:35,449 INFO L85 PathProgramCache]: Analyzing trace with hash 284816696, now seen corresponding path program 1 times [2024-11-24 02:12:35,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:12:35,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808878044] [2024-11-24 02:12:35,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:12:35,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:12:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:12:39,701 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-24 02:12:39,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:12:39,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [808878044] [2024-11-24 02:12:39,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [808878044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:12:39,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:12:39,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:12:39,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736994774] [2024-11-24 02:12:39,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:12:39,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:12:39,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:12:39,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:12:39,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:12:39,703 INFO L87 Difference]: Start difference. First operand 4384 states and 6372 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 02:12:43,752 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 [] [2024-11-24 02:12:47,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:12:57,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:12:57,827 INFO L93 Difference]: Finished difference Result 4653 states and 6660 transitions. [2024-11-24 02:12:57,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:12:57,828 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 168 [2024-11-24 02:12:57,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:12:57,858 INFO L225 Difference]: With dead ends: 4653 [2024-11-24 02:12:57,858 INFO L226 Difference]: Without dead ends: 4651 [2024-11-24 02:12:57,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:12:57,862 INFO L435 NwaCegarLoop]: 3096 mSDtfsCounter, 4013 mSDsluCounter, 5047 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 514 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4013 SdHoareTripleChecker+Valid, 8143 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 514 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2024-11-24 02:12:57,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4013 Valid, 8143 Invalid, 1683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [514 Valid, 1167 Invalid, 2 Unknown, 0 Unchecked, 17.6s Time] [2024-11-24 02:12:57,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4651 states. [2024-11-24 02:12:58,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4651 to 4388. [2024-11-24 02:12:58,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4388 states, 3074 states have (on average 1.2524398178269356) internal successors, (3850), 3166 states have internal predecessors, (3850), 1038 states have call successors, (1038), 251 states have call predecessors, (1038), 254 states have return successors, (1488), 1020 states have call predecessors, (1488), 1036 states have call successors, (1488) [2024-11-24 02:12:58,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4388 states to 4388 states and 6376 transitions. [2024-11-24 02:12:58,366 INFO L78 Accepts]: Start accepts. Automaton has 4388 states and 6376 transitions. Word has length 168 [2024-11-24 02:12:58,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:12:58,367 INFO L471 AbstractCegarLoop]: Abstraction has 4388 states and 6376 transitions. [2024-11-24 02:12:58,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-11-24 02:12:58,367 INFO L276 IsEmpty]: Start isEmpty. Operand 4388 states and 6376 transitions. [2024-11-24 02:12:58,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-24 02:12:58,373 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:12:58,373 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] [2024-11-24 02:12:58,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 02:12:58,374 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:12:58,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:12:58,375 INFO L85 PathProgramCache]: Analyzing trace with hash 241188320, now seen corresponding path program 1 times [2024-11-24 02:12:58,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:12:58,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982779962] [2024-11-24 02:12:58,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:12:58,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:13:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:01,185 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:13:01,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:13:01,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982779962] [2024-11-24 02:13:01,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982779962] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:13:01,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:13:01,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:13:01,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036857266] [2024-11-24 02:13:01,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:13:01,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:13:01,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:13:01,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:13:01,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:13:01,188 INFO L87 Difference]: Start difference. First operand 4388 states and 6376 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2024-11-24 02:13:01,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:13:01,660 INFO L93 Difference]: Finished difference Result 4388 states and 6376 transitions. [2024-11-24 02:13:01,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:13:01,661 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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 129 [2024-11-24 02:13:01,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:13:01,686 INFO L225 Difference]: With dead ends: 4388 [2024-11-24 02:13:01,686 INFO L226 Difference]: Without dead ends: 4386 [2024-11-24 02:13:01,688 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 [2024-11-24 02:13:01,689 INFO L435 NwaCegarLoop]: 1537 mSDtfsCounter, 1496 mSDsluCounter, 1536 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1496 SdHoareTripleChecker+Valid, 3073 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 [2024-11-24 02:13:01,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1496 Valid, 3073 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:13:01,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2024-11-24 02:13:02,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 4386. [2024-11-24 02:13:02,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4386 states, 3073 states have (on average 1.2521965506020176) internal successors, (3848), 3164 states have internal predecessors, (3848), 1038 states have call successors, (1038), 251 states have call predecessors, (1038), 254 states have return successors, (1488), 1020 states have call predecessors, (1488), 1036 states have call successors, (1488) [2024-11-24 02:13:02,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4386 states to 4386 states and 6374 transitions. [2024-11-24 02:13:02,199 INFO L78 Accepts]: Start accepts. Automaton has 4386 states and 6374 transitions. Word has length 129 [2024-11-24 02:13:02,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:13:02,199 INFO L471 AbstractCegarLoop]: Abstraction has 4386 states and 6374 transitions. [2024-11-24 02:13:02,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2024-11-24 02:13:02,200 INFO L276 IsEmpty]: Start isEmpty. Operand 4386 states and 6374 transitions. [2024-11-24 02:13:02,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-24 02:13:02,206 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:13:02,206 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] [2024-11-24 02:13:02,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 02:13:02,206 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:13:02,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:13:02,207 INFO L85 PathProgramCache]: Analyzing trace with hash -765540331, now seen corresponding path program 1 times [2024-11-24 02:13:02,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:13:02,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600350083] [2024-11-24 02:13:02,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:02,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:13:04,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:04,857 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-24 02:13:04,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:13:04,857 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600350083] [2024-11-24 02:13:04,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600350083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:13:04,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:13:04,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 02:13:04,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341400021] [2024-11-24 02:13:04,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:13:04,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:13:04,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:13:04,859 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:13:04,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:13:04,860 INFO L87 Difference]: Start difference. First operand 4386 states and 6374 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-24 02:13:05,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:13:05,215 INFO L93 Difference]: Finished difference Result 8325 states and 12046 transitions. [2024-11-24 02:13:05,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:13:05,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 172 [2024-11-24 02:13:05,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:13:05,250 INFO L225 Difference]: With dead ends: 8325 [2024-11-24 02:13:05,250 INFO L226 Difference]: Without dead ends: 4368 [2024-11-24 02:13:05,271 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 [2024-11-24 02:13:05,271 INFO L435 NwaCegarLoop]: 1533 mSDtfsCounter, 1512 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1512 SdHoareTripleChecker+Valid, 1533 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 [2024-11-24 02:13:05,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1512 Valid, 1533 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:13:05,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4368 states. [2024-11-24 02:13:05,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4368 to 4368. [2024-11-24 02:13:05,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4368 states, 3056 states have (on average 1.2483638743455496) internal successors, (3815), 3146 states have internal predecessors, (3815), 1038 states have call successors, (1038), 251 states have call predecessors, (1038), 254 states have return successors, (1488), 1020 states have call predecessors, (1488), 1036 states have call successors, (1488) [2024-11-24 02:13:05,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4368 states to 4368 states and 6341 transitions. [2024-11-24 02:13:05,930 INFO L78 Accepts]: Start accepts. Automaton has 4368 states and 6341 transitions. Word has length 172 [2024-11-24 02:13:05,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:13:05,930 INFO L471 AbstractCegarLoop]: Abstraction has 4368 states and 6341 transitions. [2024-11-24 02:13:05,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-24 02:13:05,931 INFO L276 IsEmpty]: Start isEmpty. Operand 4368 states and 6341 transitions. [2024-11-24 02:13:05,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-24 02:13:05,938 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:13:05,938 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] [2024-11-24 02:13:05,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-24 02:13:05,938 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:13:05,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:13:05,939 INFO L85 PathProgramCache]: Analyzing trace with hash -64163659, now seen corresponding path program 1 times [2024-11-24 02:13:05,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:13:05,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106879660] [2024-11-24 02:13:05,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:05,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:13:08,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:08,880 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:13:08,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:13:08,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106879660] [2024-11-24 02:13:08,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106879660] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:13:08,880 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:13:08,880 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:13:08,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992898965] [2024-11-24 02:13:08,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:13:08,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:13:08,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:13:08,882 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:13:08,882 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:13:08,882 INFO L87 Difference]: Start difference. First operand 4368 states and 6341 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-11-24 02:13:09,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:13:09,282 INFO L93 Difference]: Finished difference Result 4368 states and 6341 transitions. [2024-11-24 02:13:09,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:13:09,283 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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 135 [2024-11-24 02:13:09,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:13:09,313 INFO L225 Difference]: With dead ends: 4368 [2024-11-24 02:13:09,313 INFO L226 Difference]: Without dead ends: 4366 [2024-11-24 02:13:09,316 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 [2024-11-24 02:13:09,317 INFO L435 NwaCegarLoop]: 1530 mSDtfsCounter, 1488 mSDsluCounter, 1529 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 3059 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 [2024-11-24 02:13:09,318 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1488 Valid, 3059 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:13:09,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4366 states. [2024-11-24 02:13:09,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4366 to 4366. [2024-11-24 02:13:09,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4366 states, 3055 states have (on average 1.2481178396072012) internal successors, (3813), 3144 states have internal predecessors, (3813), 1038 states have call successors, (1038), 251 states have call predecessors, (1038), 254 states have return successors, (1488), 1020 states have call predecessors, (1488), 1036 states have call successors, (1488) [2024-11-24 02:13:09,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4366 states to 4366 states and 6339 transitions. [2024-11-24 02:13:09,852 INFO L78 Accepts]: Start accepts. Automaton has 4366 states and 6339 transitions. Word has length 135 [2024-11-24 02:13:09,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:13:09,853 INFO L471 AbstractCegarLoop]: Abstraction has 4366 states and 6339 transitions. [2024-11-24 02:13:09,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 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) [2024-11-24 02:13:09,853 INFO L276 IsEmpty]: Start isEmpty. Operand 4366 states and 6339 transitions. [2024-11-24 02:13:09,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-24 02:13:09,859 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:13:09,859 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:13:09,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-24 02:13:09,859 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:13:09,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:13:09,860 INFO L85 PathProgramCache]: Analyzing trace with hash 990324324, now seen corresponding path program 1 times [2024-11-24 02:13:09,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:13:09,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477860333] [2024-11-24 02:13:09,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:09,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:13:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:13,182 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-24 02:13:13,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:13:13,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477860333] [2024-11-24 02:13:13,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477860333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:13:13,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521503515] [2024-11-24 02:13:13,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:13,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:13:13,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:13:13,185 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:13:13,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 02:13:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:17,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 2887 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 02:13:17,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:13:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-24 02:13:18,271 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:13:18,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521503515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:13:18,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:13:18,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-24 02:13:18,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688331845] [2024-11-24 02:13:18,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:13:18,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:13:18,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:13:18,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:13:18,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:13:18,274 INFO L87 Difference]: Start difference. First operand 4366 states and 6339 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 02:13:18,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:13:18,610 INFO L93 Difference]: Finished difference Result 8305 states and 11991 transitions. [2024-11-24 02:13:18,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:13:18,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 178 [2024-11-24 02:13:18,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:13:18,644 INFO L225 Difference]: With dead ends: 8305 [2024-11-24 02:13:18,644 INFO L226 Difference]: Without dead ends: 4392 [2024-11-24 02:13:18,664 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:13:18,666 INFO L435 NwaCegarLoop]: 1606 mSDtfsCounter, 1492 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1492 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:13:18,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1492 Valid, 1690 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:13:18,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4392 states. [2024-11-24 02:13:19,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4392 to 4390. [2024-11-24 02:13:19,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4390 states, 3065 states have (on average 1.2424143556280587) internal successors, (3808), 3154 states have internal predecessors, (3808), 1046 states have call successors, (1046), 258 states have call predecessors, (1046), 261 states have return successors, (1496), 1027 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-11-24 02:13:19,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4390 states to 4390 states and 6350 transitions. [2024-11-24 02:13:19,311 INFO L78 Accepts]: Start accepts. Automaton has 4390 states and 6350 transitions. Word has length 178 [2024-11-24 02:13:19,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:13:19,312 INFO L471 AbstractCegarLoop]: Abstraction has 4390 states and 6350 transitions. [2024-11-24 02:13:19,312 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 02:13:19,312 INFO L276 IsEmpty]: Start isEmpty. Operand 4390 states and 6350 transitions. [2024-11-24 02:13:19,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-24 02:13:19,319 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:13:19,320 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] [2024-11-24 02:13:19,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 02:13:19,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-24 02:13:19,521 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:13:19,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:13:19,522 INFO L85 PathProgramCache]: Analyzing trace with hash 951890114, now seen corresponding path program 1 times [2024-11-24 02:13:19,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:13:19,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104909515] [2024-11-24 02:13:19,522 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:19,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:13:22,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:22,421 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:13:22,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:13:22,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104909515] [2024-11-24 02:13:22,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104909515] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:13:22,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:13:22,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:13:22,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640868332] [2024-11-24 02:13:22,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:13:22,422 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:13:22,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:13:22,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:13:22,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:13:22,423 INFO L87 Difference]: Start difference. First operand 4390 states and 6350 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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) [2024-11-24 02:13:22,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:13:22,812 INFO L93 Difference]: Finished difference Result 4390 states and 6350 transitions. [2024-11-24 02:13:22,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:13:22,812 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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 141 [2024-11-24 02:13:22,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:13:22,840 INFO L225 Difference]: With dead ends: 4390 [2024-11-24 02:13:22,840 INFO L226 Difference]: Without dead ends: 4388 [2024-11-24 02:13:22,844 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 [2024-11-24 02:13:22,844 INFO L435 NwaCegarLoop]: 1523 mSDtfsCounter, 1480 mSDsluCounter, 1522 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 3045 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 [2024-11-24 02:13:22,845 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 3045 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:13:22,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4388 states. [2024-11-24 02:13:23,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4388 to 4388. [2024-11-24 02:13:23,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4388 states, 3064 states have (on average 1.2421671018276763) internal successors, (3806), 3152 states have internal predecessors, (3806), 1046 states have call successors, (1046), 258 states have call predecessors, (1046), 261 states have return successors, (1496), 1027 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-11-24 02:13:23,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4388 states to 4388 states and 6348 transitions. [2024-11-24 02:13:23,438 INFO L78 Accepts]: Start accepts. Automaton has 4388 states and 6348 transitions. Word has length 141 [2024-11-24 02:13:23,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:13:23,438 INFO L471 AbstractCegarLoop]: Abstraction has 4388 states and 6348 transitions. [2024-11-24 02:13:23,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 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) [2024-11-24 02:13:23,439 INFO L276 IsEmpty]: Start isEmpty. Operand 4388 states and 6348 transitions. [2024-11-24 02:13:23,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-24 02:13:23,445 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:13:23,446 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 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] [2024-11-24 02:13:23,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-24 02:13:23,446 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:13:23,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:13:23,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1899922185, now seen corresponding path program 1 times [2024-11-24 02:13:23,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:13:23,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660593653] [2024-11-24 02:13:23,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:23,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:13:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:26,822 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-24 02:13:26,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:13:26,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660593653] [2024-11-24 02:13:26,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660593653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:13:26,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:13:26,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:13:26,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993760845] [2024-11-24 02:13:26,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:13:26,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:13:26,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:13:26,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:13:26,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:13:26,825 INFO L87 Difference]: Start difference. First operand 4388 states and 6348 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 02:13:27,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:13:27,786 INFO L93 Difference]: Finished difference Result 8513 states and 13091 transitions. [2024-11-24 02:13:27,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:13:27,787 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 161 [2024-11-24 02:13:27,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:13:27,821 INFO L225 Difference]: With dead ends: 8513 [2024-11-24 02:13:27,821 INFO L226 Difference]: Without dead ends: 4396 [2024-11-24 02:13:27,851 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:13:27,852 INFO L435 NwaCegarLoop]: 1523 mSDtfsCounter, 0 mSDsluCounter, 4560 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6083 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:13:27,852 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6083 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:13:27,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4396 states. [2024-11-24 02:13:28,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4396 to 4396. [2024-11-24 02:13:28,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4396 states, 3072 states have (on average 1.2415364583333333) internal successors, (3814), 3156 states have internal predecessors, (3814), 1046 states have call successors, (1046), 258 states have call predecessors, (1046), 261 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-11-24 02:13:28,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4396 states to 4396 states and 6356 transitions. [2024-11-24 02:13:28,445 INFO L78 Accepts]: Start accepts. Automaton has 4396 states and 6356 transitions. Word has length 161 [2024-11-24 02:13:28,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:13:28,446 INFO L471 AbstractCegarLoop]: Abstraction has 4396 states and 6356 transitions. [2024-11-24 02:13:28,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 02:13:28,446 INFO L276 IsEmpty]: Start isEmpty. Operand 4396 states and 6356 transitions. [2024-11-24 02:13:28,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-24 02:13:28,452 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:13:28,452 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] [2024-11-24 02:13:28,453 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-24 02:13:28,453 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:13:28,453 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:13:28,453 INFO L85 PathProgramCache]: Analyzing trace with hash 384097533, now seen corresponding path program 1 times [2024-11-24 02:13:28,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:13:28,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095202010] [2024-11-24 02:13:28,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:28,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:13:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:31,527 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:13:31,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:13:31,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095202010] [2024-11-24 02:13:31,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095202010] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:13:31,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:13:31,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:13:31,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038314679] [2024-11-24 02:13:31,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:13:31,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:13:31,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:13:31,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:13:31,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:13:31,530 INFO L87 Difference]: Start difference. First operand 4396 states and 6356 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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) [2024-11-24 02:13:31,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:13:31,917 INFO L93 Difference]: Finished difference Result 4396 states and 6356 transitions. [2024-11-24 02:13:31,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:13:31,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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 147 [2024-11-24 02:13:31,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:13:31,940 INFO L225 Difference]: With dead ends: 4396 [2024-11-24 02:13:31,940 INFO L226 Difference]: Without dead ends: 4394 [2024-11-24 02:13:31,944 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 [2024-11-24 02:13:31,944 INFO L435 NwaCegarLoop]: 1521 mSDtfsCounter, 1477 mSDsluCounter, 1520 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1477 SdHoareTripleChecker+Valid, 3041 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 [2024-11-24 02:13:31,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1477 Valid, 3041 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:13:31,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2024-11-24 02:13:32,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 4394. [2024-11-24 02:13:32,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4394 states, 3071 states have (on average 1.2412894822533376) internal successors, (3812), 3154 states have internal predecessors, (3812), 1046 states have call successors, (1046), 258 states have call predecessors, (1046), 261 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-11-24 02:13:32,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4394 states to 4394 states and 6354 transitions. [2024-11-24 02:13:32,611 INFO L78 Accepts]: Start accepts. Automaton has 4394 states and 6354 transitions. Word has length 147 [2024-11-24 02:13:32,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:13:32,613 INFO L471 AbstractCegarLoop]: Abstraction has 4394 states and 6354 transitions. [2024-11-24 02:13:32,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 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) [2024-11-24 02:13:32,613 INFO L276 IsEmpty]: Start isEmpty. Operand 4394 states and 6354 transitions. [2024-11-24 02:13:32,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-24 02:13:32,619 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:13:32,619 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] [2024-11-24 02:13:32,619 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-24 02:13:32,620 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:13:32,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:13:32,620 INFO L85 PathProgramCache]: Analyzing trace with hash 276742265, now seen corresponding path program 1 times [2024-11-24 02:13:32,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:13:32,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713726309] [2024-11-24 02:13:32,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:32,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:13:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:35,478 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:13:35,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:13:35,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713726309] [2024-11-24 02:13:35,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713726309] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:13:35,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:13:35,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:13:35,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801813708] [2024-11-24 02:13:35,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:13:35,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:13:35,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:13:35,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:13:35,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:13:35,481 INFO L87 Difference]: Start difference. First operand 4394 states and 6354 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 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) [2024-11-24 02:13:35,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:13:35,980 INFO L93 Difference]: Finished difference Result 4394 states and 6354 transitions. [2024-11-24 02:13:35,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:13:35,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 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 153 [2024-11-24 02:13:35,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:13:36,010 INFO L225 Difference]: With dead ends: 4394 [2024-11-24 02:13:36,011 INFO L226 Difference]: Without dead ends: 4392 [2024-11-24 02:13:36,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:13:36,015 INFO L435 NwaCegarLoop]: 1519 mSDtfsCounter, 1474 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1474 SdHoareTripleChecker+Valid, 3037 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 [2024-11-24 02:13:36,015 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1474 Valid, 3037 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:13:36,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4392 states. [2024-11-24 02:13:36,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4392 to 4392. [2024-11-24 02:13:36,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4392 states, 3070 states have (on average 1.241042345276873) internal successors, (3810), 3152 states have internal predecessors, (3810), 1046 states have call successors, (1046), 258 states have call predecessors, (1046), 261 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-11-24 02:13:36,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4392 states to 4392 states and 6352 transitions. [2024-11-24 02:13:36,619 INFO L78 Accepts]: Start accepts. Automaton has 4392 states and 6352 transitions. Word has length 153 [2024-11-24 02:13:36,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:13:36,619 INFO L471 AbstractCegarLoop]: Abstraction has 4392 states and 6352 transitions. [2024-11-24 02:13:36,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 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) [2024-11-24 02:13:36,620 INFO L276 IsEmpty]: Start isEmpty. Operand 4392 states and 6352 transitions. [2024-11-24 02:13:36,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-24 02:13:36,624 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:13:36,624 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:13:36,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-24 02:13:36,624 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:13:36,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:13:36,625 INFO L85 PathProgramCache]: Analyzing trace with hash 914553725, now seen corresponding path program 1 times [2024-11-24 02:13:36,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:13:36,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435956484] [2024-11-24 02:13:36,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:36,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:13:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:41,858 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-24 02:13:41,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:13:41,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435956484] [2024-11-24 02:13:41,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435956484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:13:41,858 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:13:41,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 02:13:41,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955553557] [2024-11-24 02:13:41,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:13:41,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 02:13:41,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:13:41,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 02:13:41,860 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:13:41,861 INFO L87 Difference]: Start difference. First operand 4392 states and 6352 transitions. Second operand has 9 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 3 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) [2024-11-24 02:13:43,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:13:43,299 INFO L93 Difference]: Finished difference Result 6439 states and 9120 transitions. [2024-11-24 02:13:43,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:13:43,299 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 3 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 220 [2024-11-24 02:13:43,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:13:43,318 INFO L225 Difference]: With dead ends: 6439 [2024-11-24 02:13:43,318 INFO L226 Difference]: Without dead ends: 4398 [2024-11-24 02:13:43,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-24 02:13:43,330 INFO L435 NwaCegarLoop]: 1540 mSDtfsCounter, 6 mSDsluCounter, 10741 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12281 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 02:13:43,330 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 12281 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 02:13:43,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4398 states. [2024-11-24 02:13:43,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4398 to 4396. [2024-11-24 02:13:43,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4396 states, 3073 states have (on average 1.2408070289619264) internal successors, (3813), 3155 states have internal predecessors, (3813), 1046 states have call successors, (1046), 259 states have call predecessors, (1046), 262 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-11-24 02:13:43,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4396 states to 4396 states and 6355 transitions. [2024-11-24 02:13:43,792 INFO L78 Accepts]: Start accepts. Automaton has 4396 states and 6355 transitions. Word has length 220 [2024-11-24 02:13:43,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:13:43,792 INFO L471 AbstractCegarLoop]: Abstraction has 4396 states and 6355 transitions. [2024-11-24 02:13:43,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 3 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) [2024-11-24 02:13:43,792 INFO L276 IsEmpty]: Start isEmpty. Operand 4396 states and 6355 transitions. [2024-11-24 02:13:43,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-24 02:13:43,795 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:13:43,795 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] [2024-11-24 02:13:43,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-24 02:13:43,796 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:13:43,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:13:43,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1896142820, now seen corresponding path program 1 times [2024-11-24 02:13:43,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:13:43,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788400201] [2024-11-24 02:13:43,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:43,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:13:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:46,526 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:13:46,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:13:46,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788400201] [2024-11-24 02:13:46,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788400201] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:13:46,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:13:46,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:13:46,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379563971] [2024-11-24 02:13:46,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:13:46,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:13:46,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:13:46,528 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:13:46,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:13:46,528 INFO L87 Difference]: Start difference. First operand 4396 states and 6355 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 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) [2024-11-24 02:13:46,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:13:46,925 INFO L93 Difference]: Finished difference Result 4396 states and 6355 transitions. [2024-11-24 02:13:46,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:13:46,925 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 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 159 [2024-11-24 02:13:46,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:13:46,950 INFO L225 Difference]: With dead ends: 4396 [2024-11-24 02:13:46,951 INFO L226 Difference]: Without dead ends: 4394 [2024-11-24 02:13:46,954 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 [2024-11-24 02:13:46,955 INFO L435 NwaCegarLoop]: 1517 mSDtfsCounter, 1471 mSDsluCounter, 1516 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1471 SdHoareTripleChecker+Valid, 3033 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 [2024-11-24 02:13:46,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1471 Valid, 3033 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:13:46,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2024-11-24 02:13:47,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 4394. [2024-11-24 02:13:47,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4394 states, 3072 states have (on average 1.2405598958333333) internal successors, (3811), 3153 states have internal predecessors, (3811), 1046 states have call successors, (1046), 259 states have call predecessors, (1046), 262 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-11-24 02:13:47,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4394 states to 4394 states and 6353 transitions. [2024-11-24 02:13:47,410 INFO L78 Accepts]: Start accepts. Automaton has 4394 states and 6353 transitions. Word has length 159 [2024-11-24 02:13:47,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:13:47,411 INFO L471 AbstractCegarLoop]: Abstraction has 4394 states and 6353 transitions. [2024-11-24 02:13:47,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 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) [2024-11-24 02:13:47,411 INFO L276 IsEmpty]: Start isEmpty. Operand 4394 states and 6353 transitions. [2024-11-24 02:13:47,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-24 02:13:47,416 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:13:47,416 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] [2024-11-24 02:13:47,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-24 02:13:47,417 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:13:47,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:13:47,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1941587771, now seen corresponding path program 1 times [2024-11-24 02:13:47,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:13:47,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815683884] [2024-11-24 02:13:47,418 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:47,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:13:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:50,131 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:13:50,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:13:50,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815683884] [2024-11-24 02:13:50,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1815683884] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:13:50,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:13:50,132 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:13:50,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394056936] [2024-11-24 02:13:50,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:13:50,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:13:50,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:13:50,133 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:13:50,133 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:13:50,133 INFO L87 Difference]: Start difference. First operand 4394 states and 6353 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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) [2024-11-24 02:13:50,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:13:50,534 INFO L93 Difference]: Finished difference Result 4394 states and 6353 transitions. [2024-11-24 02:13:50,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:13:50,535 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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 165 [2024-11-24 02:13:50,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:13:50,551 INFO L225 Difference]: With dead ends: 4394 [2024-11-24 02:13:50,551 INFO L226 Difference]: Without dead ends: 4392 [2024-11-24 02:13:50,553 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 [2024-11-24 02:13:50,554 INFO L435 NwaCegarLoop]: 1515 mSDtfsCounter, 1468 mSDsluCounter, 1514 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1468 SdHoareTripleChecker+Valid, 3029 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 [2024-11-24 02:13:50,555 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1468 Valid, 3029 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:13:50,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4392 states. [2024-11-24 02:13:50,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4392 to 4392. [2024-11-24 02:13:50,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4392 states, 3071 states have (on average 1.240312601758385) internal successors, (3809), 3151 states have internal predecessors, (3809), 1046 states have call successors, (1046), 259 states have call predecessors, (1046), 262 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-11-24 02:13:50,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4392 states to 4392 states and 6351 transitions. [2024-11-24 02:13:50,998 INFO L78 Accepts]: Start accepts. Automaton has 4392 states and 6351 transitions. Word has length 165 [2024-11-24 02:13:50,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:13:50,999 INFO L471 AbstractCegarLoop]: Abstraction has 4392 states and 6351 transitions. [2024-11-24 02:13:50,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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) [2024-11-24 02:13:50,999 INFO L276 IsEmpty]: Start isEmpty. Operand 4392 states and 6351 transitions. [2024-11-24 02:13:51,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-24 02:13:51,002 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:13:51,002 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] [2024-11-24 02:13:51,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-24 02:13:51,003 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:13:51,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:13:51,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1248323010, now seen corresponding path program 1 times [2024-11-24 02:13:51,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:13:51,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998898054] [2024-11-24 02:13:51,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:51,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:13:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:54,101 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:13:54,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:13:54,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998898054] [2024-11-24 02:13:54,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998898054] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:13:54,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:13:54,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:13:54,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78454030] [2024-11-24 02:13:54,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:13:54,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:13:54,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:13:54,102 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:13:54,102 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:13:54,103 INFO L87 Difference]: Start difference. First operand 4392 states and 6351 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 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) [2024-11-24 02:13:54,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:13:54,515 INFO L93 Difference]: Finished difference Result 4392 states and 6351 transitions. [2024-11-24 02:13:54,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:13:54,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 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 171 [2024-11-24 02:13:54,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:13:54,532 INFO L225 Difference]: With dead ends: 4392 [2024-11-24 02:13:54,532 INFO L226 Difference]: Without dead ends: 4390 [2024-11-24 02:13:54,535 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 [2024-11-24 02:13:54,535 INFO L435 NwaCegarLoop]: 1513 mSDtfsCounter, 1465 mSDsluCounter, 1512 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1465 SdHoareTripleChecker+Valid, 3025 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 [2024-11-24 02:13:54,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1465 Valid, 3025 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:13:54,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4390 states. [2024-11-24 02:13:54,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4390 to 4390. [2024-11-24 02:13:54,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4390 states, 3070 states have (on average 1.2400651465798045) internal successors, (3807), 3149 states have internal predecessors, (3807), 1046 states have call successors, (1046), 259 states have call predecessors, (1046), 262 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-11-24 02:13:54,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4390 states to 4390 states and 6349 transitions. [2024-11-24 02:13:54,999 INFO L78 Accepts]: Start accepts. Automaton has 4390 states and 6349 transitions. Word has length 171 [2024-11-24 02:13:54,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:13:54,999 INFO L471 AbstractCegarLoop]: Abstraction has 4390 states and 6349 transitions. [2024-11-24 02:13:55,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 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) [2024-11-24 02:13:55,000 INFO L276 IsEmpty]: Start isEmpty. Operand 4390 states and 6349 transitions. [2024-11-24 02:13:55,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-24 02:13:55,003 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:13:55,003 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] [2024-11-24 02:13:55,003 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-24 02:13:55,003 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:13:55,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:13:55,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1572043592, now seen corresponding path program 1 times [2024-11-24 02:13:55,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:13:55,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891317516] [2024-11-24 02:13:55,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:55,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:13:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:57,570 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:13:57,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:13:57,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891317516] [2024-11-24 02:13:57,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891317516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:13:57,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:13:57,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:13:57,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727453241] [2024-11-24 02:13:57,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:13:57,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:13:57,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:13:57,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:13:57,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:13:57,572 INFO L87 Difference]: Start difference. First operand 4390 states and 6349 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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) [2024-11-24 02:13:58,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:13:58,034 INFO L93 Difference]: Finished difference Result 4390 states and 6349 transitions. [2024-11-24 02:13:58,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:13:58,035 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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 177 [2024-11-24 02:13:58,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:13:58,053 INFO L225 Difference]: With dead ends: 4390 [2024-11-24 02:13:58,053 INFO L226 Difference]: Without dead ends: 4388 [2024-11-24 02:13:58,055 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 [2024-11-24 02:13:58,056 INFO L435 NwaCegarLoop]: 1511 mSDtfsCounter, 1462 mSDsluCounter, 1510 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1462 SdHoareTripleChecker+Valid, 3021 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 [2024-11-24 02:13:58,056 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1462 Valid, 3021 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:13:58,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4388 states. [2024-11-24 02:13:58,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4388 to 4388. [2024-11-24 02:13:58,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4388 states, 3069 states have (on average 1.2398175301401109) internal successors, (3805), 3147 states have internal predecessors, (3805), 1046 states have call successors, (1046), 259 states have call predecessors, (1046), 262 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-11-24 02:13:58,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4388 states to 4388 states and 6347 transitions. [2024-11-24 02:13:58,499 INFO L78 Accepts]: Start accepts. Automaton has 4388 states and 6347 transitions. Word has length 177 [2024-11-24 02:13:58,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:13:58,500 INFO L471 AbstractCegarLoop]: Abstraction has 4388 states and 6347 transitions. [2024-11-24 02:13:58,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 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) [2024-11-24 02:13:58,500 INFO L276 IsEmpty]: Start isEmpty. Operand 4388 states and 6347 transitions. [2024-11-24 02:13:58,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-24 02:13:58,505 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:13:58,505 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] [2024-11-24 02:13:58,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-24 02:13:58,506 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:13:58,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:13:58,506 INFO L85 PathProgramCache]: Analyzing trace with hash 323316088, now seen corresponding path program 1 times [2024-11-24 02:13:58,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:13:58,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474107423] [2024-11-24 02:13:58,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:58,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:14:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:14:01,173 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:14:01,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:14:01,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474107423] [2024-11-24 02:14:01,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474107423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:14:01,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:14:01,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:14:01,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294610904] [2024-11-24 02:14:01,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:14:01,174 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:14:01,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:14:01,175 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:14:01,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:14:01,176 INFO L87 Difference]: Start difference. First operand 4388 states and 6347 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 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) [2024-11-24 02:14:01,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:14:01,706 INFO L93 Difference]: Finished difference Result 4388 states and 6347 transitions. [2024-11-24 02:14:01,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:14:01,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 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 183 [2024-11-24 02:14:01,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:14:01,724 INFO L225 Difference]: With dead ends: 4388 [2024-11-24 02:14:01,724 INFO L226 Difference]: Without dead ends: 4386 [2024-11-24 02:14:01,726 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 [2024-11-24 02:14:01,727 INFO L435 NwaCegarLoop]: 1509 mSDtfsCounter, 1459 mSDsluCounter, 1508 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1459 SdHoareTripleChecker+Valid, 3017 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 [2024-11-24 02:14:01,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1459 Valid, 3017 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:14:01,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2024-11-24 02:14:02,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 4386. [2024-11-24 02:14:02,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4386 states, 3068 states have (on average 1.2395697522816167) internal successors, (3803), 3145 states have internal predecessors, (3803), 1046 states have call successors, (1046), 259 states have call predecessors, (1046), 262 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-11-24 02:14:02,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4386 states to 4386 states and 6345 transitions. [2024-11-24 02:14:02,252 INFO L78 Accepts]: Start accepts. Automaton has 4386 states and 6345 transitions. Word has length 183 [2024-11-24 02:14:02,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:14:02,253 INFO L471 AbstractCegarLoop]: Abstraction has 4386 states and 6345 transitions. [2024-11-24 02:14:02,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 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) [2024-11-24 02:14:02,253 INFO L276 IsEmpty]: Start isEmpty. Operand 4386 states and 6345 transitions. [2024-11-24 02:14:02,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-24 02:14:02,258 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:14:02,258 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2024-11-24 02:14:02,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-24 02:14:02,259 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:14:02,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:14:02,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1606638475, now seen corresponding path program 1 times [2024-11-24 02:14:02,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:14:02,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919172881] [2024-11-24 02:14:02,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:14:02,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:14:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:14:05,313 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2024-11-24 02:14:05,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:14:05,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919172881] [2024-11-24 02:14:05,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919172881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:14:05,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:14:05,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:14:05,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746411891] [2024-11-24 02:14:05,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:14:05,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:14:05,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:14:05,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:14:05,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:14:05,314 INFO L87 Difference]: Start difference. First operand 4386 states and 6345 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-24 02:14:06,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:14:06,046 INFO L93 Difference]: Finished difference Result 4414 states and 6365 transitions. [2024-11-24 02:14:06,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:14:06,047 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 253 [2024-11-24 02:14:06,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:14:06,064 INFO L225 Difference]: With dead ends: 4414 [2024-11-24 02:14:06,064 INFO L226 Difference]: Without dead ends: 4412 [2024-11-24 02:14:06,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:14:06,066 INFO L435 NwaCegarLoop]: 1505 mSDtfsCounter, 1405 mSDsluCounter, 3046 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 4551 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:14:06,067 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1406 Valid, 4551 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:14:06,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4412 states. [2024-11-24 02:14:06,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4412 to 4412. [2024-11-24 02:14:06,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4412 states, 3087 states have (on average 1.2367994816974408) internal successors, (3818), 3163 states have internal predecessors, (3818), 1046 states have call successors, (1046), 267 states have call predecessors, (1046), 270 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-11-24 02:14:06,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4412 states to 4412 states and 6360 transitions. [2024-11-24 02:14:06,522 INFO L78 Accepts]: Start accepts. Automaton has 4412 states and 6360 transitions. Word has length 253 [2024-11-24 02:14:06,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:14:06,522 INFO L471 AbstractCegarLoop]: Abstraction has 4412 states and 6360 transitions. [2024-11-24 02:14:06,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-11-24 02:14:06,522 INFO L276 IsEmpty]: Start isEmpty. Operand 4412 states and 6360 transitions. [2024-11-24 02:14:06,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-24 02:14:06,528 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:14:06,528 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, 1, 1] [2024-11-24 02:14:06,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-24 02:14:06,529 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:14:06,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:14:06,529 INFO L85 PathProgramCache]: Analyzing trace with hash 583613077, now seen corresponding path program 1 times [2024-11-24 02:14:06,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:14:06,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435149541] [2024-11-24 02:14:06,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:14:06,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:14:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:14:09,184 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-24 02:14:09,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:14:09,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435149541] [2024-11-24 02:14:09,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435149541] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:14:09,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:14:09,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:14:09,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855822907] [2024-11-24 02:14:09,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:14:09,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:14:09,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:14:09,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:14:09,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:14:09,186 INFO L87 Difference]: Start difference. First operand 4412 states and 6360 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 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) [2024-11-24 02:14:10,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:14:10,301 INFO L93 Difference]: Finished difference Result 8549 states and 13108 transitions. [2024-11-24 02:14:10,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:14:10,302 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 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 189 [2024-11-24 02:14:10,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:14:10,346 INFO L225 Difference]: With dead ends: 8549 [2024-11-24 02:14:10,346 INFO L226 Difference]: Without dead ends: 8390 [2024-11-24 02:14:10,357 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 [2024-11-24 02:14:10,358 INFO L435 NwaCegarLoop]: 1908 mSDtfsCounter, 1452 mSDsluCounter, 3323 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1452 SdHoareTripleChecker+Valid, 5231 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:14:10,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1452 Valid, 5231 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:14:10,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8390 states. [2024-11-24 02:14:11,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8390 to 8366. [2024-11-24 02:14:11,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8366 states, 5886 states have (on average 1.2414203194019708) internal successors, (7307), 6010 states have internal predecessors, (7307), 1960 states have call successors, (1960), 505 states have call predecessors, (1960), 511 states have return successors, (3634), 1942 states have call predecessors, (3634), 1956 states have call successors, (3634) [2024-11-24 02:14:11,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8366 states to 8366 states and 12901 transitions. [2024-11-24 02:14:11,507 INFO L78 Accepts]: Start accepts. Automaton has 8366 states and 12901 transitions. Word has length 189 [2024-11-24 02:14:11,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:14:11,507 INFO L471 AbstractCegarLoop]: Abstraction has 8366 states and 12901 transitions. [2024-11-24 02:14:11,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 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) [2024-11-24 02:14:11,507 INFO L276 IsEmpty]: Start isEmpty. Operand 8366 states and 12901 transitions. [2024-11-24 02:14:11,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-24 02:14:11,513 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:14:11,513 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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] [2024-11-24 02:14:11,513 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-24 02:14:11,514 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:14:11,514 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:14:11,514 INFO L85 PathProgramCache]: Analyzing trace with hash -1326693994, now seen corresponding path program 1 times [2024-11-24 02:14:11,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:14:11,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2095534083] [2024-11-24 02:14:11,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:14:11,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:14:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:14:14,433 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-11-24 02:14:14,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:14:14,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2095534083] [2024-11-24 02:14:14,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2095534083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:14:14,433 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:14:14,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:14:14,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396909034] [2024-11-24 02:14:14,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:14:14,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:14:14,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:14:14,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:14:14,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:14:14,435 INFO L87 Difference]: Start difference. First operand 8366 states and 12901 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-24 02:14:18,466 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 [] [2024-11-24 02:14:19,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:14:19,478 INFO L93 Difference]: Finished difference Result 8366 states and 12901 transitions. [2024-11-24 02:14:19,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:14:19,478 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 274 [2024-11-24 02:14:19,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:14:19,515 INFO L225 Difference]: With dead ends: 8366 [2024-11-24 02:14:19,515 INFO L226 Difference]: Without dead ends: 8364 [2024-11-24 02:14:19,523 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 [2024-11-24 02:14:19,523 INFO L435 NwaCegarLoop]: 1508 mSDtfsCounter, 36 mSDsluCounter, 4477 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 5985 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 [2024-11-24 02:14:19,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 5985 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-11-24 02:14:19,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8364 states. [2024-11-24 02:14:20,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8364 to 8364. [2024-11-24 02:14:20,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8364 states, 5885 states have (on average 1.2401019541206457) internal successors, (7298), 6008 states have internal predecessors, (7298), 1960 states have call successors, (1960), 505 states have call predecessors, (1960), 511 states have return successors, (3634), 1942 states have call predecessors, (3634), 1956 states have call successors, (3634) [2024-11-24 02:14:20,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8364 states to 8364 states and 12892 transitions. [2024-11-24 02:14:20,503 INFO L78 Accepts]: Start accepts. Automaton has 8364 states and 12892 transitions. Word has length 274 [2024-11-24 02:14:20,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:14:20,504 INFO L471 AbstractCegarLoop]: Abstraction has 8364 states and 12892 transitions. [2024-11-24 02:14:20,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-11-24 02:14:20,504 INFO L276 IsEmpty]: Start isEmpty. Operand 8364 states and 12892 transitions. [2024-11-24 02:14:20,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2024-11-24 02:14:20,510 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:14:20,510 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:14:20,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-24 02:14:20,510 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:14:20,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:14:20,511 INFO L85 PathProgramCache]: Analyzing trace with hash 471140496, now seen corresponding path program 1 times [2024-11-24 02:14:20,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:14:20,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486772259] [2024-11-24 02:14:20,511 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:14:20,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:14:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:14:25,257 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-11-24 02:14:25,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:14:25,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486772259] [2024-11-24 02:14:25,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486772259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:14:25,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:14:25,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 02:14:25,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850164267] [2024-11-24 02:14:25,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:14:25,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 02:14:25,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:14:25,259 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 02:14:25,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-24 02:14:25,260 INFO L87 Difference]: Start difference. First operand 8364 states and 12892 transitions. Second operand has 10 states, 10 states have (on average 13.9) internal successors, (139), 8 states have internal predecessors, (139), 3 states have call successors, (46), 2 states have call predecessors, (46), 3 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-24 02:14:26,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:14:26,879 INFO L93 Difference]: Finished difference Result 16541 states and 27820 transitions. [2024-11-24 02:14:26,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 02:14:26,880 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.9) internal successors, (139), 8 states have internal predecessors, (139), 3 states have call successors, (46), 2 states have call predecessors, (46), 3 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) Word has length 280 [2024-11-24 02:14:26,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:14:26,919 INFO L225 Difference]: With dead ends: 16541 [2024-11-24 02:14:26,919 INFO L226 Difference]: Without dead ends: 8452 [2024-11-24 02:14:27,000 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-24 02:14:27,000 INFO L435 NwaCegarLoop]: 1501 mSDtfsCounter, 0 mSDsluCounter, 11991 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13492 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 02:14:27,001 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13492 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 02:14:27,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8452 states. [2024-11-24 02:14:27,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8452 to 8452. [2024-11-24 02:14:27,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8452 states, 5949 states have (on average 1.2375189107413012) internal successors, (7362), 6072 states have internal predecessors, (7362), 1968 states have call successors, (1968), 505 states have call predecessors, (1968), 527 states have return successors, (3662), 1966 states have call predecessors, (3662), 1964 states have call successors, (3662) [2024-11-24 02:14:27,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8452 states to 8452 states and 12992 transitions. [2024-11-24 02:14:27,879 INFO L78 Accepts]: Start accepts. Automaton has 8452 states and 12992 transitions. Word has length 280 [2024-11-24 02:14:27,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:14:27,879 INFO L471 AbstractCegarLoop]: Abstraction has 8452 states and 12992 transitions. [2024-11-24 02:14:27,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.9) internal successors, (139), 8 states have internal predecessors, (139), 3 states have call successors, (46), 2 states have call predecessors, (46), 3 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-24 02:14:27,880 INFO L276 IsEmpty]: Start isEmpty. Operand 8452 states and 12992 transitions. [2024-11-24 02:14:27,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-11-24 02:14:27,885 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:14:27,885 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:14:27,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-24 02:14:27,886 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:14:27,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:14:27,886 INFO L85 PathProgramCache]: Analyzing trace with hash -914446737, now seen corresponding path program 1 times [2024-11-24 02:14:27,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:14:27,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614301755] [2024-11-24 02:14:27,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:14:27,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:14:30,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:14:30,757 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2024-11-24 02:14:30,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:14:30,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614301755] [2024-11-24 02:14:30,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614301755] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:14:30,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:14:30,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:14:30,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047939001] [2024-11-24 02:14:30,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:14:30,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:14:30,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:14:30,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:14:30,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:14:30,760 INFO L87 Difference]: Start difference. First operand 8452 states and 12992 transitions. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-24 02:14:32,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:14:32,424 INFO L93 Difference]: Finished difference Result 16653 states and 27916 transitions. [2024-11-24 02:14:32,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:14:32,424 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 329 [2024-11-24 02:14:32,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:14:32,467 INFO L225 Difference]: With dead ends: 16653 [2024-11-24 02:14:32,467 INFO L226 Difference]: Without dead ends: 8476 [2024-11-24 02:14:32,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:14:32,521 INFO L435 NwaCegarLoop]: 1504 mSDtfsCounter, 0 mSDsluCounter, 4506 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6010 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:14:32,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6010 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:14:32,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8476 states. [2024-11-24 02:14:33,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8476 to 8476. [2024-11-24 02:14:33,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8476 states, 5973 states have (on average 1.2365645404319436) internal successors, (7386), 6096 states have internal predecessors, (7386), 1968 states have call successors, (1968), 505 states have call predecessors, (1968), 527 states have return successors, (3662), 1966 states have call predecessors, (3662), 1964 states have call successors, (3662) [2024-11-24 02:14:33,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8476 states to 8476 states and 13016 transitions. [2024-11-24 02:14:33,476 INFO L78 Accepts]: Start accepts. Automaton has 8476 states and 13016 transitions. Word has length 329 [2024-11-24 02:14:33,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:14:33,477 INFO L471 AbstractCegarLoop]: Abstraction has 8476 states and 13016 transitions. [2024-11-24 02:14:33,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2024-11-24 02:14:33,477 INFO L276 IsEmpty]: Start isEmpty. Operand 8476 states and 13016 transitions. [2024-11-24 02:14:33,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-24 02:14:33,487 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:14:33,487 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:14:33,487 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-24 02:14:33,488 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:14:33,488 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:14:33,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1199222312, now seen corresponding path program 1 times [2024-11-24 02:14:33,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:14:33,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919451308] [2024-11-24 02:14:33,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:14:33,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:14:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:14:36,897 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2024-11-24 02:14:36,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:14:36,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919451308] [2024-11-24 02:14:36,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919451308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:14:36,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:14:36,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 02:14:36,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630985354] [2024-11-24 02:14:36,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:14:36,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:14:36,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:14:36,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:14:36,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:14:36,900 INFO L87 Difference]: Start difference. First operand 8476 states and 13016 transitions. Second operand has 7 states, 6 states have (on average 22.0) internal successors, (132), 5 states have internal predecessors, (132), 4 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-24 02:14:38,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:14:38,798 INFO L93 Difference]: Finished difference Result 17017 states and 28363 transitions. [2024-11-24 02:14:38,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:14:38,799 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 22.0) internal successors, (132), 5 states have internal predecessors, (132), 4 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 326 [2024-11-24 02:14:38,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:14:38,842 INFO L225 Difference]: With dead ends: 17017 [2024-11-24 02:14:38,842 INFO L226 Difference]: Without dead ends: 8816 [2024-11-24 02:14:38,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:14:38,894 INFO L435 NwaCegarLoop]: 1544 mSDtfsCounter, 33 mSDsluCounter, 7640 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 9184 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-24 02:14:38,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 9184 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-24 02:14:38,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8816 states. [2024-11-24 02:14:39,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8816 to 8816. [2024-11-24 02:14:39,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8816 states, 6217 states have (on average 1.2324272156988902) internal successors, (7662), 6360 states have internal predecessors, (7662), 2040 states have call successors, (2040), 529 states have call predecessors, (2040), 551 states have return successors, (3635), 2026 states have call predecessors, (3635), 2036 states have call successors, (3635) [2024-11-24 02:14:39,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8816 states to 8816 states and 13337 transitions. [2024-11-24 02:14:39,801 INFO L78 Accepts]: Start accepts. Automaton has 8816 states and 13337 transitions. Word has length 326 [2024-11-24 02:14:39,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:14:39,802 INFO L471 AbstractCegarLoop]: Abstraction has 8816 states and 13337 transitions. [2024-11-24 02:14:39,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 22.0) internal successors, (132), 5 states have internal predecessors, (132), 4 states have call successors, (43), 5 states have call predecessors, (43), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2024-11-24 02:14:39,802 INFO L276 IsEmpty]: Start isEmpty. Operand 8816 states and 13337 transitions. [2024-11-24 02:14:39,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-24 02:14:39,808 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:14:39,808 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:14:39,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-24 02:14:39,808 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:14:39,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:14:39,809 INFO L85 PathProgramCache]: Analyzing trace with hash 763981653, now seen corresponding path program 1 times [2024-11-24 02:14:39,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:14:39,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310270031] [2024-11-24 02:14:39,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:14:39,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:14:42,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:14:45,281 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 8 proven. 67 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2024-11-24 02:14:45,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:14:45,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310270031] [2024-11-24 02:14:45,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310270031] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:14:45,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219257382] [2024-11-24 02:14:45,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:14:45,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:14:45,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:14:45,284 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:14:45,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 02:14:50,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:14:50,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 3903 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-24 02:14:50,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:14:52,918 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-11-24 02:14:52,918 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:14:52,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219257382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:14:52,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:14:52,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [9] total 19 [2024-11-24 02:14:52,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582836759] [2024-11-24 02:14:52,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:14:52,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 02:14:52,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:14:52,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 02:14:52,921 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=306, Unknown=0, NotChecked=0, Total=342 [2024-11-24 02:14:52,921 INFO L87 Difference]: Start difference. First operand 8816 states and 13337 transitions. Second operand has 14 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 6 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (38), 6 states have call predecessors, (38), 6 states have call successors, (38) [2024-11-24 02:14:57,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:14:57,083 INFO L93 Difference]: Finished difference Result 16673 states and 25080 transitions. [2024-11-24 02:14:57,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 02:14:57,084 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 6 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (38), 6 states have call predecessors, (38), 6 states have call successors, (38) Word has length 327 [2024-11-24 02:14:57,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:14:57,131 INFO L225 Difference]: With dead ends: 16673 [2024-11-24 02:14:57,131 INFO L226 Difference]: Without dead ends: 8900 [2024-11-24 02:14:57,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2024-11-24 02:14:57,164 INFO L435 NwaCegarLoop]: 1479 mSDtfsCounter, 3 mSDsluCounter, 17697 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 19176 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-24 02:14:57,164 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 19176 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-24 02:14:57,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8900 states. [2024-11-24 02:14:58,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8900 to 8880. [2024-11-24 02:14:58,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8880 states, 6261 states have (on average 1.230793802906884) internal successors, (7706), 6404 states have internal predecessors, (7706), 2060 states have call successors, (2060), 529 states have call predecessors, (2060), 551 states have return successors, (3655), 2046 states have call predecessors, (3655), 2056 states have call successors, (3655) [2024-11-24 02:14:58,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8880 states to 8880 states and 13421 transitions. [2024-11-24 02:14:58,229 INFO L78 Accepts]: Start accepts. Automaton has 8880 states and 13421 transitions. Word has length 327 [2024-11-24 02:14:58,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:14:58,229 INFO L471 AbstractCegarLoop]: Abstraction has 8880 states and 13421 transitions. [2024-11-24 02:14:58,230 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 6 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (38), 6 states have call predecessors, (38), 6 states have call successors, (38) [2024-11-24 02:14:58,230 INFO L276 IsEmpty]: Start isEmpty. Operand 8880 states and 13421 transitions. [2024-11-24 02:14:58,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-24 02:14:58,235 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:14:58,235 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:14:58,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 02:14:58,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-24 02:14:58,436 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:14:58,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:14:58,436 INFO L85 PathProgramCache]: Analyzing trace with hash 937684510, now seen corresponding path program 1 times [2024-11-24 02:14:58,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:14:58,436 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201084512] [2024-11-24 02:14:58,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:14:58,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:15:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:15:03,422 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2024-11-24 02:15:03,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:15:03,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201084512] [2024-11-24 02:15:03,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201084512] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:15:03,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:15:03,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 02:15:03,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856355920] [2024-11-24 02:15:03,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:15:03,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 02:15:03,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:15:03,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 02:15:03,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-24 02:15:03,425 INFO L87 Difference]: Start difference. First operand 8880 states and 13421 transitions. Second operand has 10 states, 10 states have (on average 14.5) internal successors, (145), 8 states have internal predecessors, (145), 3 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (40), 5 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-24 02:15:04,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:15:04,920 INFO L93 Difference]: Finished difference Result 17557 states and 26556 transitions. [2024-11-24 02:15:04,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 02:15:04,922 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.5) internal successors, (145), 8 states have internal predecessors, (145), 3 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (40), 5 states have call predecessors, (40), 3 states have call successors, (40) Word has length 330 [2024-11-24 02:15:04,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:15:04,990 INFO L225 Difference]: With dead ends: 17557 [2024-11-24 02:15:04,990 INFO L226 Difference]: Without dead ends: 8888 [2024-11-24 02:15:05,027 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-24 02:15:05,027 INFO L435 NwaCegarLoop]: 1501 mSDtfsCounter, 0 mSDsluCounter, 11994 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13495 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 02:15:05,028 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13495 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 02:15:05,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8888 states. [2024-11-24 02:15:06,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8888 to 8888. [2024-11-24 02:15:06,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8888 states, 6269 states have (on average 1.2304992821821663) internal successors, (7714), 6408 states have internal predecessors, (7714), 2060 states have call successors, (2060), 529 states have call predecessors, (2060), 551 states have return successors, (3655), 2050 states have call predecessors, (3655), 2056 states have call successors, (3655) [2024-11-24 02:15:06,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8888 states to 8888 states and 13429 transitions. [2024-11-24 02:15:06,091 INFO L78 Accepts]: Start accepts. Automaton has 8888 states and 13429 transitions. Word has length 330 [2024-11-24 02:15:06,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:15:06,091 INFO L471 AbstractCegarLoop]: Abstraction has 8888 states and 13429 transitions. [2024-11-24 02:15:06,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.5) internal successors, (145), 8 states have internal predecessors, (145), 3 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (40), 5 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-24 02:15:06,092 INFO L276 IsEmpty]: Start isEmpty. Operand 8888 states and 13429 transitions. [2024-11-24 02:15:06,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-24 02:15:06,097 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:15:06,097 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:15:06,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-24 02:15:06,097 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:15:06,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:15:06,098 INFO L85 PathProgramCache]: Analyzing trace with hash -788269174, now seen corresponding path program 1 times [2024-11-24 02:15:06,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:15:06,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720173075] [2024-11-24 02:15:06,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:15:06,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:15:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:15:11,674 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-11-24 02:15:11,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:15:11,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720173075] [2024-11-24 02:15:11,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720173075] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:15:11,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780805970] [2024-11-24 02:15:11,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:15:11,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:15:11,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:15:11,679 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:15:11,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 02:15:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:15:17,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 3434 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-24 02:15:17,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:15:21,266 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-24 02:15:21,266 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:15:21,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780805970] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:15:21,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:15:21,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [9] total 26 [2024-11-24 02:15:21,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066085243] [2024-11-24 02:15:21,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:15:21,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-24 02:15:21,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:15:21,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-24 02:15:21,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2024-11-24 02:15:21,269 INFO L87 Difference]: Start difference. First operand 8888 states and 13429 transitions. Second operand has 19 states, 18 states have (on average 8.222222222222221) internal successors, (148), 18 states have internal predecessors, (148), 7 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (43), 7 states have call predecessors, (43), 7 states have call successors, (43) [2024-11-24 02:15:26,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:15:26,865 INFO L93 Difference]: Finished difference Result 16288 states and 24470 transitions. [2024-11-24 02:15:26,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-24 02:15:26,866 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 8.222222222222221) internal successors, (148), 18 states have internal predecessors, (148), 7 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (43), 7 states have call predecessors, (43), 7 states have call successors, (43) Word has length 296 [2024-11-24 02:15:26,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:15:26,902 INFO L225 Difference]: With dead ends: 16288 [2024-11-24 02:15:26,902 INFO L226 Difference]: Without dead ends: 8116 [2024-11-24 02:15:26,928 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=61, Invalid=751, Unknown=0, NotChecked=0, Total=812 [2024-11-24 02:15:26,928 INFO L435 NwaCegarLoop]: 1476 mSDtfsCounter, 3 mSDsluCounter, 25035 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 26511 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:15:26,929 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 26511 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2024-11-24 02:15:26,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8116 states. [2024-11-24 02:15:27,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8116 to 8116. [2024-11-24 02:15:27,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8116 states, 5738 states have (on average 1.2350993377483444) internal successors, (7087), 5864 states have internal predecessors, (7087), 1826 states have call successors, (1826), 522 states have call predecessors, (1826), 544 states have return successors, (3288), 1809 states have call predecessors, (3288), 1822 states have call successors, (3288) [2024-11-24 02:15:27,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8116 states to 8116 states and 12201 transitions. [2024-11-24 02:15:27,678 INFO L78 Accepts]: Start accepts. Automaton has 8116 states and 12201 transitions. Word has length 296 [2024-11-24 02:15:27,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:15:27,678 INFO L471 AbstractCegarLoop]: Abstraction has 8116 states and 12201 transitions. [2024-11-24 02:15:27,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 8.222222222222221) internal successors, (148), 18 states have internal predecessors, (148), 7 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (43), 7 states have call predecessors, (43), 7 states have call successors, (43) [2024-11-24 02:15:27,678 INFO L276 IsEmpty]: Start isEmpty. Operand 8116 states and 12201 transitions. [2024-11-24 02:15:27,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-24 02:15:27,683 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:15:27,683 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:15:27,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 02:15:27,884 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:15:27,884 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:15:27,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:15:27,885 INFO L85 PathProgramCache]: Analyzing trace with hash -899367534, now seen corresponding path program 1 times [2024-11-24 02:15:27,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:15:27,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756739321] [2024-11-24 02:15:27,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:15:27,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:15:29,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:15:31,809 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-11-24 02:15:31,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:15:31,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756739321] [2024-11-24 02:15:31,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756739321] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:15:31,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [990275872] [2024-11-24 02:15:31,809 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:15:31,809 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:15:31,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:15:31,814 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:15:31,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 02:15:37,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:15:37,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 3501 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 02:15:37,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:15:38,268 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-11-24 02:15:38,268 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:15:38,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [990275872] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:15:38,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:15:38,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-24 02:15:38,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462245841] [2024-11-24 02:15:38,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:15:38,269 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:15:38,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:15:38,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:15:38,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-24 02:15:38,270 INFO L87 Difference]: Start difference. First operand 8116 states and 12201 transitions. Second operand has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 3 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-11-24 02:15:40,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:15:40,226 INFO L93 Difference]: Finished difference Result 11719 states and 17228 transitions. [2024-11-24 02:15:40,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:15:40,227 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 3 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 316 [2024-11-24 02:15:40,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:15:40,264 INFO L225 Difference]: With dead ends: 11719 [2024-11-24 02:15:40,264 INFO L226 Difference]: Without dead ends: 8116 [2024-11-24 02:15:40,276 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2024-11-24 02:15:40,277 INFO L435 NwaCegarLoop]: 1484 mSDtfsCounter, 106 mSDsluCounter, 5745 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 7229 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-24 02:15:40,277 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 7229 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-24 02:15:40,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8116 states. [2024-11-24 02:15:41,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8116 to 8114. [2024-11-24 02:15:41,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8114 states, 5737 states have (on average 1.2349660101098134) internal successors, (7085), 5863 states have internal predecessors, (7085), 1825 states have call successors, (1825), 522 states have call predecessors, (1825), 544 states have return successors, (3287), 1808 states have call predecessors, (3287), 1821 states have call successors, (3287) [2024-11-24 02:15:41,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8114 states to 8114 states and 12197 transitions. [2024-11-24 02:15:41,086 INFO L78 Accepts]: Start accepts. Automaton has 8114 states and 12197 transitions. Word has length 316 [2024-11-24 02:15:41,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:15:41,086 INFO L471 AbstractCegarLoop]: Abstraction has 8114 states and 12197 transitions. [2024-11-24 02:15:41,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 3 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-11-24 02:15:41,086 INFO L276 IsEmpty]: Start isEmpty. Operand 8114 states and 12197 transitions. [2024-11-24 02:15:41,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2024-11-24 02:15:41,090 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:15:41,091 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:15:41,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-24 02:15:41,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:15:41,291 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:15:41,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:15:41,292 INFO L85 PathProgramCache]: Analyzing trace with hash -645883898, now seen corresponding path program 1 times [2024-11-24 02:15:41,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:15:41,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8899225] [2024-11-24 02:15:41,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:15:41,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:15:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:15:47,658 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 6 proven. 67 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-24 02:15:47,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:15:47,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8899225] [2024-11-24 02:15:47,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8899225] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:15:47,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334666276] [2024-11-24 02:15:47,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:15:47,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:15:47,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:15:47,660 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:15:47,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 02:15:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:15:53,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 3896 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-24 02:15:53,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:15:53,842 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 257 proven. 3 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-11-24 02:15:53,842 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:15:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2024-11-24 02:15:57,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334666276] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:15:57,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:15:57,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 14 [2024-11-24 02:15:57,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293279078] [2024-11-24 02:15:57,961 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:15:57,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 02:15:57,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:15:57,963 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 02:15:57,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-24 02:15:57,963 INFO L87 Difference]: Start difference. First operand 8114 states and 12197 transitions. Second operand has 14 states, 13 states have (on average 18.76923076923077) internal successors, (244), 12 states have internal predecessors, (244), 5 states have call successors, (92), 2 states have call predecessors, (92), 5 states have return successors, (90), 6 states have call predecessors, (90), 5 states have call successors, (90) [2024-11-24 02:16:00,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:16:00,666 INFO L93 Difference]: Finished difference Result 16209 states and 24368 transitions. [2024-11-24 02:16:00,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:16:00,666 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 18.76923076923077) internal successors, (244), 12 states have internal predecessors, (244), 5 states have call successors, (92), 2 states have call predecessors, (92), 5 states have return successors, (90), 6 states have call predecessors, (90), 5 states have call successors, (90) Word has length 351 [2024-11-24 02:16:00,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:16:00,705 INFO L225 Difference]: With dead ends: 16209 [2024-11-24 02:16:00,705 INFO L226 Difference]: Without dead ends: 8114 [2024-11-24 02:16:00,732 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 711 GetRequests, 696 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-24 02:16:00,732 INFO L435 NwaCegarLoop]: 1480 mSDtfsCounter, 100 mSDsluCounter, 12973 mSDsCounter, 0 mSdLazyCounter, 239 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 14453 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:16:00,733 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 14453 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-24 02:16:00,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8114 states. [2024-11-24 02:16:01,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8114 to 8114. [2024-11-24 02:16:01,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8114 states, 5737 states have (on average 1.2347917029806519) internal successors, (7084), 5862 states have internal predecessors, (7084), 1825 states have call successors, (1825), 522 states have call predecessors, (1825), 544 states have return successors, (3287), 1808 states have call predecessors, (3287), 1821 states have call successors, (3287) [2024-11-24 02:16:01,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8114 states to 8114 states and 12196 transitions. [2024-11-24 02:16:01,683 INFO L78 Accepts]: Start accepts. Automaton has 8114 states and 12196 transitions. Word has length 351 [2024-11-24 02:16:01,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:16:01,684 INFO L471 AbstractCegarLoop]: Abstraction has 8114 states and 12196 transitions. [2024-11-24 02:16:01,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 18.76923076923077) internal successors, (244), 12 states have internal predecessors, (244), 5 states have call successors, (92), 2 states have call predecessors, (92), 5 states have return successors, (90), 6 states have call predecessors, (90), 5 states have call successors, (90) [2024-11-24 02:16:01,684 INFO L276 IsEmpty]: Start isEmpty. Operand 8114 states and 12196 transitions. [2024-11-24 02:16:01,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2024-11-24 02:16:01,689 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:16:01,690 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:16:01,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-24 02:16:01,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:16:01,890 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:16:01,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:16:01,891 INFO L85 PathProgramCache]: Analyzing trace with hash 291811896, now seen corresponding path program 1 times [2024-11-24 02:16:01,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:16:01,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355761616] [2024-11-24 02:16:01,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:16:01,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:16:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:16:07,890 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 21 proven. 54 refuted. 0 times theorem prover too weak. 619 trivial. 0 not checked. [2024-11-24 02:16:07,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:16:07,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355761616] [2024-11-24 02:16:07,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355761616] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:16:07,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2029900417] [2024-11-24 02:16:07,891 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:16:07,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:16:07,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:16:07,893 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:16:07,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-24 02:16:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:16:13,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 4192 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-24 02:16:13,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:16:16,148 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-24 02:16:16,148 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:16:16,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2029900417] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:16:16,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:16:16,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [9] total 19 [2024-11-24 02:16:16,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457308796] [2024-11-24 02:16:16,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:16:16,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 02:16:16,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:16:16,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 02:16:16,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=306, Unknown=0, NotChecked=0, Total=342 [2024-11-24 02:16:16,151 INFO L87 Difference]: Start difference. First operand 8114 states and 12196 transitions. Second operand has 14 states, 13 states have (on average 13.461538461538462) internal successors, (175), 13 states have internal predecessors, (175), 6 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (48), 6 states have call predecessors, (48), 6 states have call successors, (48) [2024-11-24 02:16:20,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:16:20,253 INFO L93 Difference]: Finished difference Result 15729 states and 23570 transitions. [2024-11-24 02:16:20,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-24 02:16:20,253 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.461538461538462) internal successors, (175), 13 states have internal predecessors, (175), 6 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (48), 6 states have call predecessors, (48), 6 states have call successors, (48) Word has length 385 [2024-11-24 02:16:20,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:16:20,294 INFO L225 Difference]: With dead ends: 15729 [2024-11-24 02:16:20,294 INFO L226 Difference]: Without dead ends: 8158 [2024-11-24 02:16:20,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 398 GetRequests, 378 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2024-11-24 02:16:20,321 INFO L435 NwaCegarLoop]: 1473 mSDtfsCounter, 3 mSDsluCounter, 17627 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 19100 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:16:20,321 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 19100 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-24 02:16:20,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8158 states. [2024-11-24 02:16:21,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8158 to 8114. [2024-11-24 02:16:21,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8114 states, 5737 states have (on average 1.2347917029806519) internal successors, (7084), 5862 states have internal predecessors, (7084), 1825 states have call successors, (1825), 522 states have call predecessors, (1825), 544 states have return successors, (3287), 1808 states have call predecessors, (3287), 1821 states have call successors, (3287) [2024-11-24 02:16:21,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8114 states to 8114 states and 12196 transitions. [2024-11-24 02:16:21,153 INFO L78 Accepts]: Start accepts. Automaton has 8114 states and 12196 transitions. Word has length 385 [2024-11-24 02:16:21,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:16:21,154 INFO L471 AbstractCegarLoop]: Abstraction has 8114 states and 12196 transitions. [2024-11-24 02:16:21,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.461538461538462) internal successors, (175), 13 states have internal predecessors, (175), 6 states have call successors, (53), 2 states have call predecessors, (53), 4 states have return successors, (48), 6 states have call predecessors, (48), 6 states have call successors, (48) [2024-11-24 02:16:21,154 INFO L276 IsEmpty]: Start isEmpty. Operand 8114 states and 12196 transitions. [2024-11-24 02:16:21,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2024-11-24 02:16:21,158 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:16:21,158 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:16:21,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-24 02:16:21,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:16:21,359 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:16:21,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:16:21,360 INFO L85 PathProgramCache]: Analyzing trace with hash -2135418653, now seen corresponding path program 1 times [2024-11-24 02:16:21,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:16:21,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338540006] [2024-11-24 02:16:21,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:16:21,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:16:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:16:26,743 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 19 proven. 54 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-24 02:16:26,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:16:26,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338540006] [2024-11-24 02:16:26,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338540006] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:16:26,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110124937] [2024-11-24 02:16:26,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:16:26,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:16:26,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:16:26,745 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:16:26,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-24 02:16:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:16:32,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 3914 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-24 02:16:32,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:16:33,645 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 343 proven. 3 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2024-11-24 02:16:33,646 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:16:38,006 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 18 proven. 51 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2024-11-24 02:16:38,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110124937] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:16:38,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:16:38,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 15 [2024-11-24 02:16:38,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729259979] [2024-11-24 02:16:38,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:16:38,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-24 02:16:38,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:16:38,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-24 02:16:38,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-11-24 02:16:38,008 INFO L87 Difference]: Start difference. First operand 8114 states and 12196 transitions. Second operand has 15 states, 13 states have (on average 19.0) internal successors, (247), 13 states have internal predecessors, (247), 6 states have call successors, (93), 2 states have call predecessors, (93), 5 states have return successors, (91), 6 states have call predecessors, (91), 6 states have call successors, (91) [2024-11-24 02:16:40,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:16:40,731 INFO L93 Difference]: Finished difference Result 16204 states and 24359 transitions. [2024-11-24 02:16:40,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:16:40,732 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 19.0) internal successors, (247), 13 states have internal predecessors, (247), 6 states have call successors, (93), 2 states have call predecessors, (93), 5 states have return successors, (91), 6 states have call predecessors, (91), 6 states have call successors, (91) Word has length 355 [2024-11-24 02:16:40,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:16:40,771 INFO L225 Difference]: With dead ends: 16204 [2024-11-24 02:16:40,771 INFO L226 Difference]: Without dead ends: 8114 [2024-11-24 02:16:40,798 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 717 GetRequests, 701 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-11-24 02:16:40,798 INFO L435 NwaCegarLoop]: 1479 mSDtfsCounter, 186 mSDsluCounter, 11651 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 13130 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:16:40,798 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 13130 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-24 02:16:40,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8114 states. [2024-11-24 02:16:41,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8114 to 8114. [2024-11-24 02:16:41,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8114 states, 5737 states have (on average 1.2346173958514903) internal successors, (7083), 5861 states have internal predecessors, (7083), 1825 states have call successors, (1825), 522 states have call predecessors, (1825), 544 states have return successors, (3287), 1808 states have call predecessors, (3287), 1821 states have call successors, (3287) [2024-11-24 02:16:41,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8114 states to 8114 states and 12195 transitions. [2024-11-24 02:16:41,749 INFO L78 Accepts]: Start accepts. Automaton has 8114 states and 12195 transitions. Word has length 355 [2024-11-24 02:16:41,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:16:41,749 INFO L471 AbstractCegarLoop]: Abstraction has 8114 states and 12195 transitions. [2024-11-24 02:16:41,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 19.0) internal successors, (247), 13 states have internal predecessors, (247), 6 states have call successors, (93), 2 states have call predecessors, (93), 5 states have return successors, (91), 6 states have call predecessors, (91), 6 states have call successors, (91) [2024-11-24 02:16:41,750 INFO L276 IsEmpty]: Start isEmpty. Operand 8114 states and 12195 transitions. [2024-11-24 02:16:41,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2024-11-24 02:16:41,754 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:16:41,754 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:16:41,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-24 02:16:41,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-24 02:16:41,954 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:16:41,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:16:41,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1281130330, now seen corresponding path program 1 times [2024-11-24 02:16:41,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:16:41,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308021269] [2024-11-24 02:16:41,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:16:41,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:16:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:16:54,812 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2024-11-24 02:16:54,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:16:54,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308021269] [2024-11-24 02:16:54,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308021269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:16:54,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:16:54,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-24 02:16:54,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022638234] [2024-11-24 02:16:54,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:16:54,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-24 02:16:54,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:16:54,814 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-24 02:16:54,814 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2024-11-24 02:16:54,814 INFO L87 Difference]: Start difference. First operand 8114 states and 12195 transitions. Second operand has 18 states, 17 states have (on average 8.941176470588236) internal successors, (152), 16 states have internal predecessors, (152), 9 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (46), 11 states have call predecessors, (46), 9 states have call successors, (46) [2024-11-24 02:16:58,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:17:02,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:17:06,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:17:10,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:17:14,988 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 [] [2024-11-24 02:17:24,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:17:24,208 INFO L93 Difference]: Finished difference Result 15166 states and 22750 transitions. [2024-11-24 02:17:24,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-24 02:17:24,208 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 8.941176470588236) internal successors, (152), 16 states have internal predecessors, (152), 9 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (46), 11 states have call predecessors, (46), 9 states have call successors, (46) Word has length 359 [2024-11-24 02:17:24,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:17:24,257 INFO L225 Difference]: With dead ends: 15166 [2024-11-24 02:17:24,257 INFO L226 Difference]: Without dead ends: 8172 [2024-11-24 02:17:24,295 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2024-11-24 02:17:24,296 INFO L435 NwaCegarLoop]: 1477 mSDtfsCounter, 13 mSDsluCounter, 23143 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 24620 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 28.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:17:24,296 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 24620 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 815 Invalid, 5 Unknown, 0 Unchecked, 28.3s Time] [2024-11-24 02:17:24,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8172 states. [2024-11-24 02:17:25,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8172 to 8124. [2024-11-24 02:17:25,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8124 states, 5743 states have (on average 1.2347205293400663) internal successors, (7091), 5869 states have internal predecessors, (7091), 1827 states have call successors, (1827), 522 states have call predecessors, (1827), 546 states have return successors, (3293), 1810 states have call predecessors, (3293), 1823 states have call successors, (3293) [2024-11-24 02:17:25,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8124 states to 8124 states and 12211 transitions. [2024-11-24 02:17:25,111 INFO L78 Accepts]: Start accepts. Automaton has 8124 states and 12211 transitions. Word has length 359 [2024-11-24 02:17:25,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:17:25,112 INFO L471 AbstractCegarLoop]: Abstraction has 8124 states and 12211 transitions. [2024-11-24 02:17:25,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.941176470588236) internal successors, (152), 16 states have internal predecessors, (152), 9 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (46), 11 states have call predecessors, (46), 9 states have call successors, (46) [2024-11-24 02:17:25,112 INFO L276 IsEmpty]: Start isEmpty. Operand 8124 states and 12211 transitions. [2024-11-24 02:17:25,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-11-24 02:17:25,116 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:17:25,117 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:17:25,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-24 02:17:25,117 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-24 02:17:25,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:17:25,117 INFO L85 PathProgramCache]: Analyzing trace with hash -624322110, now seen corresponding path program 1 times [2024-11-24 02:17:25,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:17:25,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877154484] [2024-11-24 02:17:25,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:17:25,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:17:30,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 02:17:30,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [749241686] [2024-11-24 02:17:30,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:17:30,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:17:30,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:17:30,112 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:17:30,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d96e054-5ccf-4a4b-991e-1b538b561fa8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process