./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/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_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8014a45acdf713b7b2455e92c8d4dc73a660e01c8a01c7e4d12316d74b118b13 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:25:07,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:25:07,183 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 20:25:07,195 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:25:07,195 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:25:07,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:25:07,239 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:25:07,240 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:25:07,240 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 20:25:07,241 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 20:25:07,241 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:25:07,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:25:07,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:25:07,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:25:07,242 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:25:07,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:25:07,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:25:07,244 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:25:07,245 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:25:07,245 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:25:07,245 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:25:07,245 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:25:07,245 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:25:07,245 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:25:07,246 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:25:07,246 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:25:07,246 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:25:07,246 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:25:07,246 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:25:07,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:07,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:25:07,247 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:25:07,247 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 20:25:07,247 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:25:07,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:07,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:25:07,247 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:25:07,247 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:25:07,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:25:07,247 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:25:07,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:25:07,248 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:25:07,248 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:25:07,248 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:25:07,248 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:25:07,248 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_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8014a45acdf713b7b2455e92c8d4dc73a660e01c8a01c7e4d12316d74b118b13 [2024-11-27 20:25:07,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:25:07,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:25:07,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:25:07,656 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:25:07,656 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:25:07,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i [2024-11-27 20:25:11,266 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/data/dd2c4ffac/a7700afb01e746b1a0db19894873ef9b/FLAG4b1987d57 [2024-11-27 20:25:12,292 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:25:12,293 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i [2024-11-27 20:25:12,364 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/data/dd2c4ffac/a7700afb01e746b1a0db19894873ef9b/FLAG4b1987d57 [2024-11-27 20:25:12,391 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/data/dd2c4ffac/a7700afb01e746b1a0db19894873ef9b [2024-11-27 20:25:12,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:25:12,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:25:12,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:25:12,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:25:12,405 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:25:12,406 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:25:12" (1/1) ... [2024-11-27 20:25:12,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e7d42ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:12, skipping insertion in model container [2024-11-27 20:25:12,410 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:25:12" (1/1) ... [2024-11-27 20:25:12,605 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:25:15,683 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287816,287829] [2024-11-27 20:25:15,687 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287961,287974] [2024-11-27 20:25:15,688 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288107,288120] [2024-11-27 20:25:15,689 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288272,288285] [2024-11-27 20:25:15,690 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288430,288443] [2024-11-27 20:25:15,690 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288588,288601] [2024-11-27 20:25:15,691 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288746,288759] [2024-11-27 20:25:15,691 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288906,288919] [2024-11-27 20:25:15,692 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289065,289078] [2024-11-27 20:25:15,693 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289204,289217] [2024-11-27 20:25:15,693 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289346,289359] [2024-11-27 20:25:15,694 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289495,289508] [2024-11-27 20:25:15,694 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289634,289647] [2024-11-27 20:25:15,695 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289789,289802] [2024-11-27 20:25:15,695 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289949,289962] [2024-11-27 20:25:15,696 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290100,290113] [2024-11-27 20:25:15,697 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290251,290264] [2024-11-27 20:25:15,697 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290403,290416] [2024-11-27 20:25:15,698 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290552,290565] [2024-11-27 20:25:15,698 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290700,290713] [2024-11-27 20:25:15,699 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290857,290870] [2024-11-27 20:25:15,700 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291006,291019] [2024-11-27 20:25:15,700 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291162,291175] [2024-11-27 20:25:15,701 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291315,291328] [2024-11-27 20:25:15,702 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291461,291474] [2024-11-27 20:25:15,702 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291604,291617] [2024-11-27 20:25:15,703 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291756,291769] [2024-11-27 20:25:15,703 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291902,291915] [2024-11-27 20:25:15,704 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292047,292060] [2024-11-27 20:25:15,704 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292201,292214] [2024-11-27 20:25:15,705 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292352,292365] [2024-11-27 20:25:15,706 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292507,292520] [2024-11-27 20:25:15,706 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292659,292672] [2024-11-27 20:25:15,706 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292814,292827] [2024-11-27 20:25:15,707 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292978,292991] [2024-11-27 20:25:15,707 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293134,293147] [2024-11-27 20:25:15,708 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293298,293311] [2024-11-27 20:25:15,709 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293440,293453] [2024-11-27 20:25:15,709 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293598,293611] [2024-11-27 20:25:15,710 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293765,293778] [2024-11-27 20:25:15,710 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293924,293937] [2024-11-27 20:25:15,711 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294083,294096] [2024-11-27 20:25:15,711 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294232,294245] [2024-11-27 20:25:15,712 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294379,294392] [2024-11-27 20:25:15,713 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294518,294531] [2024-11-27 20:25:15,713 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294681,294694] [2024-11-27 20:25:15,714 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294847,294860] [2024-11-27 20:25:15,714 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295011,295024] [2024-11-27 20:25:15,715 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295176,295189] [2024-11-27 20:25:15,715 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295341,295354] [2024-11-27 20:25:15,716 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295507,295520] [2024-11-27 20:25:15,716 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295672,295685] [2024-11-27 20:25:15,717 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295839,295852] [2024-11-27 20:25:15,717 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295999,296012] [2024-11-27 20:25:15,718 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296161,296174] [2024-11-27 20:25:15,718 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296320,296333] [2024-11-27 20:25:15,719 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296466,296479] [2024-11-27 20:25:15,720 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296609,296622] [2024-11-27 20:25:15,720 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296753,296766] [2024-11-27 20:25:15,725 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296896,296909] [2024-11-27 20:25:15,726 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297040,297053] [2024-11-27 20:25:15,726 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297181,297194] [2024-11-27 20:25:15,726 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297319,297332] [2024-11-27 20:25:15,727 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297477,297490] [2024-11-27 20:25:15,727 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297636,297649] [2024-11-27 20:25:15,728 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297792,297805] [2024-11-27 20:25:15,728 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297941,297954] [2024-11-27 20:25:15,733 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298093,298106] [2024-11-27 20:25:15,733 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298244,298257] [2024-11-27 20:25:15,734 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298393,298406] [2024-11-27 20:25:15,734 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298545,298558] [2024-11-27 20:25:15,735 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298693,298706] [2024-11-27 20:25:15,735 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298846,298859] [2024-11-27 20:25:15,736 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298997,299010] [2024-11-27 20:25:15,736 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299147,299160] [2024-11-27 20:25:15,737 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299294,299307] [2024-11-27 20:25:15,737 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299445,299458] [2024-11-27 20:25:15,737 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299596,299609] [2024-11-27 20:25:15,738 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299744,299757] [2024-11-27 20:25:15,738 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299910,299923] [2024-11-27 20:25:15,739 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300079,300092] [2024-11-27 20:25:15,739 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300246,300259] [2024-11-27 20:25:15,740 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300414,300427] [2024-11-27 20:25:15,741 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300564,300577] [2024-11-27 20:25:15,741 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300711,300724] [2024-11-27 20:25:15,742 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300872,300885] [2024-11-27 20:25:15,742 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301042,301055] [2024-11-27 20:25:15,743 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301204,301217] [2024-11-27 20:25:15,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:25:15,780 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:25:15,936 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] [2024-11-27 20:25:15,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4388] [2024-11-27 20:25:15,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4391] [2024-11-27 20:25:15,941 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4394] [2024-11-27 20:25:15,942 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4397] [2024-11-27 20:25:16,131 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287816,287829] [2024-11-27 20:25:16,133 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287961,287974] [2024-11-27 20:25:16,133 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288107,288120] [2024-11-27 20:25:16,135 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288272,288285] [2024-11-27 20:25:16,135 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288430,288443] [2024-11-27 20:25:16,136 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288588,288601] [2024-11-27 20:25:16,136 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288746,288759] [2024-11-27 20:25:16,136 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288906,288919] [2024-11-27 20:25:16,137 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289065,289078] [2024-11-27 20:25:16,137 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289204,289217] [2024-11-27 20:25:16,142 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289346,289359] [2024-11-27 20:25:16,142 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289495,289508] [2024-11-27 20:25:16,143 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289634,289647] [2024-11-27 20:25:16,143 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289789,289802] [2024-11-27 20:25:16,143 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289949,289962] [2024-11-27 20:25:16,144 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290100,290113] [2024-11-27 20:25:16,144 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290251,290264] [2024-11-27 20:25:16,144 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290403,290416] [2024-11-27 20:25:16,145 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290552,290565] [2024-11-27 20:25:16,145 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290700,290713] [2024-11-27 20:25:16,150 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290857,290870] [2024-11-27 20:25:16,151 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291006,291019] [2024-11-27 20:25:16,151 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291162,291175] [2024-11-27 20:25:16,151 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291315,291328] [2024-11-27 20:25:16,154 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291461,291474] [2024-11-27 20:25:16,155 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291604,291617] [2024-11-27 20:25:16,155 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291756,291769] [2024-11-27 20:25:16,156 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291902,291915] [2024-11-27 20:25:16,158 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292047,292060] [2024-11-27 20:25:16,159 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292201,292214] [2024-11-27 20:25:16,159 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292352,292365] [2024-11-27 20:25:16,159 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292507,292520] [2024-11-27 20:25:16,160 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292659,292672] [2024-11-27 20:25:16,160 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292814,292827] [2024-11-27 20:25:16,161 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292978,292991] [2024-11-27 20:25:16,161 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293134,293147] [2024-11-27 20:25:16,162 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293298,293311] [2024-11-27 20:25:16,164 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293440,293453] [2024-11-27 20:25:16,165 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293598,293611] [2024-11-27 20:25:16,165 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293765,293778] [2024-11-27 20:25:16,165 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293924,293937] [2024-11-27 20:25:16,166 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294083,294096] [2024-11-27 20:25:16,166 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294232,294245] [2024-11-27 20:25:16,167 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294379,294392] [2024-11-27 20:25:16,167 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294518,294531] [2024-11-27 20:25:16,167 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294681,294694] [2024-11-27 20:25:16,168 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294847,294860] [2024-11-27 20:25:16,168 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295011,295024] [2024-11-27 20:25:16,168 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295176,295189] [2024-11-27 20:25:16,169 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295341,295354] [2024-11-27 20:25:16,169 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295507,295520] [2024-11-27 20:25:16,170 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295672,295685] [2024-11-27 20:25:16,170 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295839,295852] [2024-11-27 20:25:16,170 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295999,296012] [2024-11-27 20:25:16,171 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296161,296174] [2024-11-27 20:25:16,171 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296320,296333] [2024-11-27 20:25:16,172 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296466,296479] [2024-11-27 20:25:16,172 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296609,296622] [2024-11-27 20:25:16,172 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296753,296766] [2024-11-27 20:25:16,173 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296896,296909] [2024-11-27 20:25:16,173 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297040,297053] [2024-11-27 20:25:16,174 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297181,297194] [2024-11-27 20:25:16,174 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297319,297332] [2024-11-27 20:25:16,174 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297477,297490] [2024-11-27 20:25:16,175 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297636,297649] [2024-11-27 20:25:16,175 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297792,297805] [2024-11-27 20:25:16,176 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297941,297954] [2024-11-27 20:25:16,176 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298093,298106] [2024-11-27 20:25:16,176 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298244,298257] [2024-11-27 20:25:16,177 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298393,298406] [2024-11-27 20:25:16,177 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298545,298558] [2024-11-27 20:25:16,178 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298693,298706] [2024-11-27 20:25:16,178 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298846,298859] [2024-11-27 20:25:16,178 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298997,299010] [2024-11-27 20:25:16,179 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299147,299160] [2024-11-27 20:25:16,179 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299294,299307] [2024-11-27 20:25:16,179 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299445,299458] [2024-11-27 20:25:16,180 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299596,299609] [2024-11-27 20:25:16,180 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299744,299757] [2024-11-27 20:25:16,181 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299910,299923] [2024-11-27 20:25:16,181 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300079,300092] [2024-11-27 20:25:16,181 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300246,300259] [2024-11-27 20:25:16,182 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300414,300427] [2024-11-27 20:25:16,182 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300564,300577] [2024-11-27 20:25:16,183 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300711,300724] [2024-11-27 20:25:16,183 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300872,300885] [2024-11-27 20:25:16,183 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301042,301055] [2024-11-27 20:25:16,184 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301204,301217] [2024-11-27 20:25:16,190 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:25:16,509 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:25:16,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:16 WrapperNode [2024-11-27 20:25:16,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:25:16,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:25:16,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:25:16,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:25:16,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:16" (1/1) ... [2024-11-27 20:25:16,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:16" (1/1) ... [2024-11-27 20:25:16,825 INFO L138 Inliner]: procedures = 515, calls = 1391, calls flagged for inlining = 240, calls inlined = 170, statements flattened = 3246 [2024-11-27 20:25:16,825 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:25:16,826 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:25:16,826 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:25:16,826 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:25:16,838 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:16" (1/1) ... [2024-11-27 20:25:16,839 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:16" (1/1) ... [2024-11-27 20:25:16,868 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:16" (1/1) ... [2024-11-27 20:25:17,698 INFO L175 MemorySlicer]: Split 469 memory accesses to 12 slices as follows [25, 56, 56, 8, 8, 7, 7, 1, 288, 1, 2, 10]. 61 percent of accesses are in the largest equivalence class. The 73 initializations are split as follows [0, 56, 0, 0, 0, 7, 0, 0, 7, 1, 2, 0]. The 247 writes are split as follows [25, 0, 48, 0, 4, 0, 1, 0, 160, 0, 0, 9]. [2024-11-27 20:25:17,701 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:16" (1/1) ... [2024-11-27 20:25:17,702 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:16" (1/1) ... [2024-11-27 20:25:17,835 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:16" (1/1) ... [2024-11-27 20:25:17,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:16" (1/1) ... [2024-11-27 20:25:17,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:16" (1/1) ... [2024-11-27 20:25:17,879 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:16" (1/1) ... [2024-11-27 20:25:17,902 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:16" (1/1) ... [2024-11-27 20:25:17,966 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:25:17,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:25:17,971 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:25:17,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:25:17,972 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:16" (1/1) ... [2024-11-27 20:25:17,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:25:17,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:25:18,017 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:25:18,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:25:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2024-11-27 20:25:18,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2024-11-27 20:25:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2024-11-27 20:25:18,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2024-11-27 20:25:18,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-27 20:25:18,058 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-27 20:25:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_disable_irq [2024-11-27 20:25:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_disable_irq [2024-11-27 20:25:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async [2024-11-27 20:25:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async [2024-11-27 20:25:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 20:25:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 20:25:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-27 20:25:18,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-27 20:25:18,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-27 20:25:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-27 20:25:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2024-11-27 20:25:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2024-11-27 20:25:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2024-11-27 20:25:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2024-11-27 20:25:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_read_status [2024-11-27 20:25:18,060 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_read_status [2024-11-27 20:25:18,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-27 20:25:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-27 20:25:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_read_data [2024-11-27 20:25:18,061 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_read_data [2024-11-27 20:25:18,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-27 20:25:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-27 20:25:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2024-11-27 20:25:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2024-11-27 20:25:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-27 20:25:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2024-11-27 20:25:18,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2024-11-27 20:25:18,062 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_data_reverse [2024-11-27 20:25:18,063 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_data_reverse [2024-11-27 20:25:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-27 20:25:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-27 20:25:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-27 20:25:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-27 20:25:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-27 20:25:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-27 20:25:18,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-27 20:25:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-27 20:25:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-11-27 20:25:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-11-27 20:25:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-11-27 20:25:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-11-27 20:25:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 20:25:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 20:25:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 20:25:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 20:25:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 20:25:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 20:25:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 20:25:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 20:25:18,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 20:25:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 20:25:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 20:25:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 20:25:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2024-11-27 20:25:18,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2024-11-27 20:25:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-27 20:25:18,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-27 20:25:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-11-27 20:25:18,066 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-11-27 20:25:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-27 20:25:18,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-27 20:25:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 20:25:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 20:25:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 20:25:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 20:25:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 20:25:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 20:25:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 20:25:18,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 20:25:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 20:25:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 20:25:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 20:25:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 20:25:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2024-11-27 20:25:18,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2024-11-27 20:25:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2024-11-27 20:25:18,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2024-11-27 20:25:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2024-11-27 20:25:18,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2024-11-27 20:25:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-11-27 20:25:18,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-11-27 20:25:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2024-11-27 20:25:18,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2024-11-27 20:25:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-11-27 20:25:18,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-11-27 20:25:18,067 INFO L130 BoogieDeclarations]: Found specification of procedure submit_async_request [2024-11-27 20:25:18,068 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_async_request [2024-11-27 20:25:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-11-27 20:25:18,068 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-11-27 20:25:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-27 20:25:18,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-27 20:25:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:25:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:25:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-27 20:25:18,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-27 20:25:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure change_mode [2024-11-27 20:25:18,068 INFO L138 BoogieDeclarations]: Found implementation of procedure change_mode [2024-11-27 20:25:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-27 20:25:18,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-27 20:25:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-27 20:25:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-27 20:25:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-27 20:25:18,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-27 20:25:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-27 20:25:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-27 20:25:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-27 20:25:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-27 20:25:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-27 20:25:18,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-27 20:25:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 20:25:18,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-27 20:25:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-11-27 20:25:18,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-11-27 20:25:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_usb_put_dev [2024-11-27 20:25:18,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_usb_put_dev [2024-11-27 20:25:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2024-11-27 20:25:18,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2024-11-27 20:25:18,074 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-11-27 20:25:18,075 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-11-27 20:25:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2024-11-27 20:25:18,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2024-11-27 20:25:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure parport_generic_irq [2024-11-27 20:25:18,075 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_generic_irq [2024-11-27 20:25:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:25:18,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:25:18,075 INFO L130 BoogieDeclarations]: Found specification of procedure get_1284_register [2024-11-27 20:25:18,077 INFO L138 BoogieDeclarations]: Found implementation of procedure get_1284_register [2024-11-27 20:25:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-11-27 20:25:18,077 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-11-27 20:25:18,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-27 20:25:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-27 20:25:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-27 20:25:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-27 20:25:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-27 20:25:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-27 20:25:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-27 20:25:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-27 20:25:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-11-27 20:25:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-11-27 20:25:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-11-27 20:25:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-11-27 20:25:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 20:25:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 20:25:18,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 20:25:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 20:25:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 20:25:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 20:25:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 20:25:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 20:25:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 20:25:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 20:25:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 20:25:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 20:25:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-27 20:25:18,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-27 20:25:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_asynclock_of_parport_uss720_private [2024-11-27 20:25:18,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_asynclock_of_parport_uss720_private [2024-11-27 20:25:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-27 20:25:18,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-27 20:25:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure set_1284_register [2024-11-27 20:25:18,079 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1284_register [2024-11-27 20:25:18,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2024-11-27 20:25:18,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2024-11-27 20:25:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2024-11-27 20:25:18,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2024-11-27 20:25:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-27 20:25:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-11-27 20:25:18,080 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-11-27 20:25:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-27 20:25:18,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-27 20:25:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-27 20:25:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-27 20:25:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-27 20:25:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-27 20:25:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-27 20:25:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-27 20:25:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-27 20:25:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-27 20:25:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-27 20:25:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-27 20:25:18,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-27 20:25:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-27 20:25:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure async_complete [2024-11-27 20:25:18,081 INFO L138 BoogieDeclarations]: Found implementation of procedure async_complete [2024-11-27 20:25:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_read_control [2024-11-27 20:25:18,081 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_read_control [2024-11-27 20:25:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-27 20:25:18,081 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-27 20:25:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-11-27 20:25:18,081 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-11-27 20:25:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-11-27 20:25:18,081 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-11-27 20:25:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-27 20:25:18,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-27 20:25:18,081 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_enable_irq [2024-11-27 20:25:18,081 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_enable_irq [2024-11-27 20:25:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-11-27 20:25:18,084 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-11-27 20:25:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-27 20:25:18,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-27 20:25:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure clear_epp_timeout [2024-11-27 20:25:18,084 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_epp_timeout [2024-11-27 20:25:18,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-27 20:25:18,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-27 20:25:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure uss720_disconnect [2024-11-27 20:25:18,085 INFO L138 BoogieDeclarations]: Found implementation of procedure uss720_disconnect [2024-11-27 20:25:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_data_forward [2024-11-27 20:25:18,085 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_data_forward [2024-11-27 20:25:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2024-11-27 20:25:18,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2024-11-27 20:25:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure kill_all_async_requests_priv [2024-11-27 20:25:18,085 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_all_async_requests_priv [2024-11-27 20:25:18,085 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-11-27 20:25:18,086 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-11-27 20:25:18,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-27 20:25:18,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-27 20:25:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2024-11-27 20:25:18,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2024-11-27 20:25:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2024-11-27 20:25:18,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2024-11-27 20:25:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-11-27 20:25:18,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-11-27 20:25:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-27 20:25:18,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-27 20:25:18,088 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-27 20:25:18,089 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-27 20:25:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-27 20:25:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-27 20:25:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-27 20:25:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-27 20:25:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-27 20:25:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-27 20:25:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-27 20:25:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-27 20:25:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-27 20:25:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-27 20:25:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-27 20:25:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-27 20:25:18,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-27 20:25:18,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-27 20:25:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 20:25:18,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 20:25:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-27 20:25:18,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-27 20:25:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2024-11-27 20:25:18,094 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2024-11-27 20:25:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-27 20:25:18,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-27 20:25:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-27 20:25:18,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-27 20:25:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 20:25:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 20:25:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 20:25:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 20:25:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 20:25:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 20:25:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 20:25:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 20:25:18,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 20:25:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 20:25:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 20:25:18,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 20:25:19,112 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:25:19,116 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:25:19,687 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-27 20:25:30,262 INFO L? ?]: Removed 1570 outVars from TransFormulas that were not future-live. [2024-11-27 20:25:30,262 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:25:30,325 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:25:30,329 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-27 20:25:30,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:25:30 BoogieIcfgContainer [2024-11-27 20:25:30,329 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:25:30,335 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:25:30,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:25:30,342 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:25:30,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:25:12" (1/3) ... [2024-11-27 20:25:30,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e91848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:25:30, skipping insertion in model container [2024-11-27 20:25:30,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:25:16" (2/3) ... [2024-11-27 20:25:30,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e91848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:25:30, skipping insertion in model container [2024-11-27 20:25:30,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:25:30" (3/3) ... [2024-11-27 20:25:30,347 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i [2024-11-27 20:25:30,371 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:25:30,375 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. [2024-11-27 20:25:30,522 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:25:30,539 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;@4178506f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:25:30,541 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-11-27 20:25:30,552 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) [2024-11-27 20:25:30,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-27 20:25:30,569 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:30,570 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] [2024-11-27 20:25:30,570 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)] === [2024-11-27 20:25:30,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:30,579 INFO L85 PathProgramCache]: Analyzing trace with hash 484360122, now seen corresponding path program 1 times [2024-11-27 20:25:30,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:30,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370190795] [2024-11-27 20:25:30,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:30,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:36,923 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:25:36,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:36,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370190795] [2024-11-27 20:25:36,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370190795] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:36,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:36,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:25:36,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543292104] [2024-11-27 20:25:36,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:36,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:25:36,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:36,962 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:25:36,963 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:25:36,969 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) [2024-11-27 20:25:37,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:37,641 INFO L93 Difference]: Finished difference Result 2514 states and 3549 transitions. [2024-11-27 20:25:37,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:25:37,645 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 [2024-11-27 20:25:37,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:37,690 INFO L225 Difference]: With dead ends: 2514 [2024-11-27 20:25:37,690 INFO L226 Difference]: Without dead ends: 1349 [2024-11-27 20:25:37,705 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 [2024-11-27 20:25:37,708 INFO L435 NwaCegarLoop]: 1728 mSDtfsCounter, 121 mSDsluCounter, 8504 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 10232 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 [2024-11-27 20:25:37,709 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 10232 Invalid, 52 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-27 20:25:37,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2024-11-27 20:25:37,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1344. [2024-11-27 20:25:37,901 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) [2024-11-27 20:25:37,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1785 transitions. [2024-11-27 20:25:37,936 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1785 transitions. Word has length 73 [2024-11-27 20:25:37,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:37,937 INFO L471 AbstractCegarLoop]: Abstraction has 1344 states and 1785 transitions. [2024-11-27 20:25:37,938 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) [2024-11-27 20:25:37,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1785 transitions. [2024-11-27 20:25:37,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-27 20:25:37,944 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:37,945 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] [2024-11-27 20:25:37,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:25:37,945 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)] === [2024-11-27 20:25:37,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:37,946 INFO L85 PathProgramCache]: Analyzing trace with hash 50631036, now seen corresponding path program 1 times [2024-11-27 20:25:37,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:37,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035158799] [2024-11-27 20:25:37,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:37,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:42,392 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:25:42,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:42,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035158799] [2024-11-27 20:25:42,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035158799] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:42,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:42,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:25:42,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004270748] [2024-11-27 20:25:42,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:42,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:25:42,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:42,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:25:42,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:25:42,402 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) [2024-11-27 20:25:42,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:42,658 INFO L93 Difference]: Finished difference Result 1344 states and 1785 transitions. [2024-11-27 20:25:42,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:25:42,659 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 [2024-11-27 20:25:42,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:42,671 INFO L225 Difference]: With dead ends: 1344 [2024-11-27 20:25:42,671 INFO L226 Difference]: Without dead ends: 1342 [2024-11-27 20:25:42,672 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 [2024-11-27 20:25:42,673 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 [2024-11-27 20:25:42,674 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] [2024-11-27 20:25:42,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2024-11-27 20:25:42,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1342. [2024-11-27 20:25:42,772 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) [2024-11-27 20:25:42,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1783 transitions. [2024-11-27 20:25:42,790 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1783 transitions. Word has length 73 [2024-11-27 20:25:42,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:42,791 INFO L471 AbstractCegarLoop]: Abstraction has 1342 states and 1783 transitions. [2024-11-27 20:25:42,792 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) [2024-11-27 20:25:42,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1783 transitions. [2024-11-27 20:25:42,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-27 20:25:42,800 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:42,801 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] [2024-11-27 20:25:42,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:25:42,801 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)] === [2024-11-27 20:25:42,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:42,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1549341362, now seen corresponding path program 1 times [2024-11-27 20:25:42,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:42,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451243939] [2024-11-27 20:25:42,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:42,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:46,641 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:25:46,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:46,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451243939] [2024-11-27 20:25:46,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451243939] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:46,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:46,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:25:46,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484248028] [2024-11-27 20:25:46,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:46,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:25:46,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:46,644 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:25:46,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:25:46,645 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) [2024-11-27 20:25:46,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:46,861 INFO L93 Difference]: Finished difference Result 1342 states and 1783 transitions. [2024-11-27 20:25:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:25:46,862 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 [2024-11-27 20:25:46,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:46,878 INFO L225 Difference]: With dead ends: 1342 [2024-11-27 20:25:46,878 INFO L226 Difference]: Without dead ends: 1340 [2024-11-27 20:25:46,880 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 [2024-11-27 20:25:46,882 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 [2024-11-27 20:25:46,883 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] [2024-11-27 20:25:46,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2024-11-27 20:25:47,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1340. [2024-11-27 20:25:47,007 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) [2024-11-27 20:25:47,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1781 transitions. [2024-11-27 20:25:47,029 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1781 transitions. Word has length 79 [2024-11-27 20:25:47,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:47,030 INFO L471 AbstractCegarLoop]: Abstraction has 1340 states and 1781 transitions. [2024-11-27 20:25:47,031 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) [2024-11-27 20:25:47,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1781 transitions. [2024-11-27 20:25:47,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-27 20:25:47,035 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:47,036 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] [2024-11-27 20:25:47,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:25:47,036 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)] === [2024-11-27 20:25:47,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:47,038 INFO L85 PathProgramCache]: Analyzing trace with hash 954445887, now seen corresponding path program 1 times [2024-11-27 20:25:47,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:47,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841024038] [2024-11-27 20:25:47,038 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:47,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:50,530 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:25:50,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:50,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841024038] [2024-11-27 20:25:50,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841024038] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:50,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:50,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:25:50,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969359978] [2024-11-27 20:25:50,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:50,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:25:50,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:50,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:25:50,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:25:50,533 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) [2024-11-27 20:25:50,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:50,699 INFO L93 Difference]: Finished difference Result 1340 states and 1781 transitions. [2024-11-27 20:25:50,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:25:50,700 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 [2024-11-27 20:25:50,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:50,711 INFO L225 Difference]: With dead ends: 1340 [2024-11-27 20:25:50,711 INFO L226 Difference]: Without dead ends: 1338 [2024-11-27 20:25:50,712 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 [2024-11-27 20:25:50,713 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 [2024-11-27 20:25:50,713 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] [2024-11-27 20:25:50,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1338 states. [2024-11-27 20:25:50,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1338 to 1338. [2024-11-27 20:25:50,794 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) [2024-11-27 20:25:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1779 transitions. [2024-11-27 20:25:50,810 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1779 transitions. Word has length 85 [2024-11-27 20:25:50,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:50,811 INFO L471 AbstractCegarLoop]: Abstraction has 1338 states and 1779 transitions. [2024-11-27 20:25:50,811 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) [2024-11-27 20:25:50,812 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1779 transitions. [2024-11-27 20:25:50,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-27 20:25:50,814 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:50,814 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:25:50,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:25:50,815 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)] === [2024-11-27 20:25:50,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:50,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1622806268, now seen corresponding path program 1 times [2024-11-27 20:25:50,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:50,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802107753] [2024-11-27 20:25:50,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:50,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:53,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:54,287 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:25:54,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:54,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802107753] [2024-11-27 20:25:54,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802107753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:54,288 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:54,288 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:25:54,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656435476] [2024-11-27 20:25:54,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:54,291 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:25:54,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:54,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:25:54,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:25:54,292 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) [2024-11-27 20:25:54,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:54,474 INFO L93 Difference]: Finished difference Result 1338 states and 1779 transitions. [2024-11-27 20:25:54,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:25:54,475 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 [2024-11-27 20:25:54,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:54,486 INFO L225 Difference]: With dead ends: 1338 [2024-11-27 20:25:54,486 INFO L226 Difference]: Without dead ends: 1336 [2024-11-27 20:25:54,487 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 [2024-11-27 20:25:54,489 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 [2024-11-27 20:25:54,490 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] [2024-11-27 20:25:54,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2024-11-27 20:25:54,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1336. [2024-11-27 20:25:54,587 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) [2024-11-27 20:25:54,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1777 transitions. [2024-11-27 20:25:54,602 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1777 transitions. Word has length 91 [2024-11-27 20:25:54,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:54,603 INFO L471 AbstractCegarLoop]: Abstraction has 1336 states and 1777 transitions. [2024-11-27 20:25:54,603 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) [2024-11-27 20:25:54,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1777 transitions. [2024-11-27 20:25:54,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-27 20:25:54,608 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:54,608 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] [2024-11-27 20:25:54,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:25:54,609 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)] === [2024-11-27 20:25:54,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:54,609 INFO L85 PathProgramCache]: Analyzing trace with hash -44842203, now seen corresponding path program 1 times [2024-11-27 20:25:54,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:54,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4682956] [2024-11-27 20:25:54,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:54,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:25:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:25:58,351 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:25:58,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:25:58,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4682956] [2024-11-27 20:25:58,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4682956] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:25:58,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:25:58,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:25:58,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143580610] [2024-11-27 20:25:58,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:25:58,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:25:58,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:25:58,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:25:58,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:25:58,354 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) [2024-11-27 20:25:58,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:25:58,539 INFO L93 Difference]: Finished difference Result 1336 states and 1777 transitions. [2024-11-27 20:25:58,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:25:58,540 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 [2024-11-27 20:25:58,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:25:58,551 INFO L225 Difference]: With dead ends: 1336 [2024-11-27 20:25:58,552 INFO L226 Difference]: Without dead ends: 1334 [2024-11-27 20:25:58,553 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 [2024-11-27 20:25:58,555 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 [2024-11-27 20:25:58,555 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] [2024-11-27 20:25:58,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2024-11-27 20:25:58,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1334. [2024-11-27 20:25:58,652 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) [2024-11-27 20:25:58,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1775 transitions. [2024-11-27 20:25:58,669 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1775 transitions. Word has length 97 [2024-11-27 20:25:58,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:25:58,671 INFO L471 AbstractCegarLoop]: Abstraction has 1334 states and 1775 transitions. [2024-11-27 20:25:58,671 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) [2024-11-27 20:25:58,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1775 transitions. [2024-11-27 20:25:58,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-27 20:25:58,675 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:25:58,676 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] [2024-11-27 20:25:58,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:25:58,676 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)] === [2024-11-27 20:25:58,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:25:58,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1778271008, now seen corresponding path program 1 times [2024-11-27 20:25:58,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:25:58,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882608292] [2024-11-27 20:25:58,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:25:58,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:01,734 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:26:01,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:01,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882608292] [2024-11-27 20:26:01,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882608292] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:01,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:01,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:26:01,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783807218] [2024-11-27 20:26:01,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:01,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:26:01,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:01,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:26:01,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:26:01,736 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) [2024-11-27 20:26:01,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:01,940 INFO L93 Difference]: Finished difference Result 1334 states and 1775 transitions. [2024-11-27 20:26:01,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:26:01,940 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 [2024-11-27 20:26:01,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:01,952 INFO L225 Difference]: With dead ends: 1334 [2024-11-27 20:26:01,952 INFO L226 Difference]: Without dead ends: 1332 [2024-11-27 20:26:01,954 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 [2024-11-27 20:26:01,955 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 [2024-11-27 20:26:01,955 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] [2024-11-27 20:26:01,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2024-11-27 20:26:02,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1332. [2024-11-27 20:26:02,069 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) [2024-11-27 20:26:02,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1773 transitions. [2024-11-27 20:26:02,083 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1773 transitions. Word has length 103 [2024-11-27 20:26:02,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:02,084 INFO L471 AbstractCegarLoop]: Abstraction has 1332 states and 1773 transitions. [2024-11-27 20:26:02,085 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) [2024-11-27 20:26:02,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1773 transitions. [2024-11-27 20:26:02,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-27 20:26:02,091 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:02,092 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] [2024-11-27 20:26:02,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 20:26:02,092 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)] === [2024-11-27 20:26:02,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:02,092 INFO L85 PathProgramCache]: Analyzing trace with hash 60630436, now seen corresponding path program 1 times [2024-11-27 20:26:02,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:02,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249118631] [2024-11-27 20:26:02,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:02,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:05,285 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:26:05,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:05,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249118631] [2024-11-27 20:26:05,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249118631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:05,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:05,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:26:05,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55970407] [2024-11-27 20:26:05,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:05,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:26:05,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:05,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:26:05,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:26:05,288 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) [2024-11-27 20:26:05,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:05,471 INFO L93 Difference]: Finished difference Result 1332 states and 1773 transitions. [2024-11-27 20:26:05,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:26:05,472 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 [2024-11-27 20:26:05,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:05,482 INFO L225 Difference]: With dead ends: 1332 [2024-11-27 20:26:05,482 INFO L226 Difference]: Without dead ends: 1330 [2024-11-27 20:26:05,484 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 [2024-11-27 20:26:05,484 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 [2024-11-27 20:26:05,484 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] [2024-11-27 20:26:05,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2024-11-27 20:26:05,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1330. [2024-11-27 20:26:05,586 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) [2024-11-27 20:26:05,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1771 transitions. [2024-11-27 20:26:05,598 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1771 transitions. Word has length 109 [2024-11-27 20:26:05,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:05,599 INFO L471 AbstractCegarLoop]: Abstraction has 1330 states and 1771 transitions. [2024-11-27 20:26:05,599 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) [2024-11-27 20:26:05,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1771 transitions. [2024-11-27 20:26:05,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-27 20:26:05,605 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:05,605 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] [2024-11-27 20:26:05,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 20:26:05,606 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)] === [2024-11-27 20:26:05,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:05,607 INFO L85 PathProgramCache]: Analyzing trace with hash 1689294610, now seen corresponding path program 1 times [2024-11-27 20:26:05,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:05,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057102263] [2024-11-27 20:26:05,607 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:05,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:08,523 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:26:08,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:08,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057102263] [2024-11-27 20:26:08,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057102263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:08,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:08,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:26:08,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230345691] [2024-11-27 20:26:08,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:08,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:26:08,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:08,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:26:08,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:26:08,526 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) [2024-11-27 20:26:08,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:08,886 INFO L93 Difference]: Finished difference Result 2500 states and 3395 transitions. [2024-11-27 20:26:08,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:26:08,886 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 [2024-11-27 20:26:08,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:08,907 INFO L225 Difference]: With dead ends: 2500 [2024-11-27 20:26:08,908 INFO L226 Difference]: Without dead ends: 2498 [2024-11-27 20:26:08,910 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 [2024-11-27 20:26:08,912 INFO L435 NwaCegarLoop]: 1695 mSDtfsCounter, 1494 mSDsluCounter, 3149 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 4844 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 [2024-11-27 20:26:08,913 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1494 Valid, 4844 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:26:08,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2024-11-27 20:26:09,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2364. [2024-11-27 20:26:09,158 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) [2024-11-27 20:26:09,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 2364 states and 3259 transitions. [2024-11-27 20:26:09,183 INFO L78 Accepts]: Start accepts. Automaton has 2364 states and 3259 transitions. Word has length 115 [2024-11-27 20:26:09,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:09,183 INFO L471 AbstractCegarLoop]: Abstraction has 2364 states and 3259 transitions. [2024-11-27 20:26:09,184 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) [2024-11-27 20:26:09,184 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 3259 transitions. [2024-11-27 20:26:09,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-27 20:26:09,190 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:09,190 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] [2024-11-27 20:26:09,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 20:26:09,191 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)] === [2024-11-27 20:26:09,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:09,195 INFO L85 PathProgramCache]: Analyzing trace with hash 867832817, now seen corresponding path program 1 times [2024-11-27 20:26:09,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:09,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409918260] [2024-11-27 20:26:09,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:09,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:13,366 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-27 20:26:13,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:13,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409918260] [2024-11-27 20:26:13,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409918260] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:13,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:13,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:26:13,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239465042] [2024-11-27 20:26:13,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:13,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:26:13,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:13,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:26:13,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:26:13,370 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) [2024-11-27 20:26:14,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:14,047 INFO L93 Difference]: Finished difference Result 4561 states and 6386 transitions. [2024-11-27 20:26:14,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:26:14,048 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 [2024-11-27 20:26:14,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:14,068 INFO L225 Difference]: With dead ends: 4561 [2024-11-27 20:26:14,068 INFO L226 Difference]: Without dead ends: 2372 [2024-11-27 20:26:14,083 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 [2024-11-27 20:26:14,084 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:14,084 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6197 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:26:14,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2372 states. [2024-11-27 20:26:14,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2372 to 2372. [2024-11-27 20:26:14,312 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) [2024-11-27 20:26:14,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 2372 states and 3269 transitions. [2024-11-27 20:26:14,342 INFO L78 Accepts]: Start accepts. Automaton has 2372 states and 3269 transitions. Word has length 127 [2024-11-27 20:26:14,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:14,343 INFO L471 AbstractCegarLoop]: Abstraction has 2372 states and 3269 transitions. [2024-11-27 20:26:14,343 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) [2024-11-27 20:26:14,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 3269 transitions. [2024-11-27 20:26:14,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-27 20:26:14,347 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:14,347 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] [2024-11-27 20:26:14,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 20:26:14,347 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)] === [2024-11-27 20:26:14,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:14,348 INFO L85 PathProgramCache]: Analyzing trace with hash -85379051, now seen corresponding path program 1 times [2024-11-27 20:26:14,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:14,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092936310] [2024-11-27 20:26:14,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:14,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:17,882 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:26:17,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:17,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092936310] [2024-11-27 20:26:17,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092936310] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:17,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:17,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:26:17,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239325867] [2024-11-27 20:26:17,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:17,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:26:17,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:17,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:26:17,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:26:17,890 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) [2024-11-27 20:26:18,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:18,435 INFO L93 Difference]: Finished difference Result 2372 states and 3269 transitions. [2024-11-27 20:26:18,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:26:18,436 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 [2024-11-27 20:26:18,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:18,481 INFO L225 Difference]: With dead ends: 2372 [2024-11-27 20:26:18,481 INFO L226 Difference]: Without dead ends: 2370 [2024-11-27 20:26:18,484 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 [2024-11-27 20:26:18,486 INFO L435 NwaCegarLoop]: 1549 mSDtfsCounter, 1509 mSDsluCounter, 1548 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:18,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 3097 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:26:18,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2370 states. [2024-11-27 20:26:18,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2370 to 2370. [2024-11-27 20:26:18,778 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) [2024-11-27 20:26:18,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2370 states and 3266 transitions. [2024-11-27 20:26:18,800 INFO L78 Accepts]: Start accepts. Automaton has 2370 states and 3266 transitions. Word has length 117 [2024-11-27 20:26:18,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:18,802 INFO L471 AbstractCegarLoop]: Abstraction has 2370 states and 3266 transitions. [2024-11-27 20:26:18,805 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) [2024-11-27 20:26:18,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 3266 transitions. [2024-11-27 20:26:18,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-27 20:26:18,809 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:18,809 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] [2024-11-27 20:26:18,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-27 20:26:18,810 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)] === [2024-11-27 20:26:18,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:18,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1573352016, now seen corresponding path program 1 times [2024-11-27 20:26:18,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:18,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143794815] [2024-11-27 20:26:18,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:18,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:24,005 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-27 20:26:24,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:24,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143794815] [2024-11-27 20:26:24,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143794815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:24,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:24,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:26:24,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668858146] [2024-11-27 20:26:24,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:24,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:26:24,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:24,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:26:24,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:26:24,008 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) [2024-11-27 20:26:28,065 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 [] [2024-11-27 20:26:34,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:34,129 INFO L93 Difference]: Finished difference Result 4633 states and 6652 transitions. [2024-11-27 20:26:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:26:34,130 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 [2024-11-27 20:26:34,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:34,154 INFO L225 Difference]: With dead ends: 4633 [2024-11-27 20:26:34,154 INFO L226 Difference]: Without dead ends: 2370 [2024-11-27 20:26:34,179 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 [2024-11-27 20:26:34,180 INFO L435 NwaCegarLoop]: 1548 mSDtfsCounter, 1492 mSDsluCounter, 4098 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s 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, 9.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:34,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1493 Valid, 5646 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 553 Invalid, 1 Unknown, 0 Unchecked, 9.5s Time] [2024-11-27 20:26:34,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2370 states. [2024-11-27 20:26:34,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2370 to 2370. [2024-11-27 20:26:34,557 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) [2024-11-27 20:26:34,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2370 states and 3264 transitions. [2024-11-27 20:26:34,581 INFO L78 Accepts]: Start accepts. Automaton has 2370 states and 3264 transitions. Word has length 131 [2024-11-27 20:26:34,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:34,582 INFO L471 AbstractCegarLoop]: Abstraction has 2370 states and 3264 transitions. [2024-11-27 20:26:34,582 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) [2024-11-27 20:26:34,582 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 3264 transitions. [2024-11-27 20:26:34,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-27 20:26:34,587 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:34,587 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] [2024-11-27 20:26:34,587 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 20:26:34,587 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)] === [2024-11-27 20:26:34,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:34,588 INFO L85 PathProgramCache]: Analyzing trace with hash -1573292434, now seen corresponding path program 1 times [2024-11-27 20:26:34,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:34,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526514950] [2024-11-27 20:26:34,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:34,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:37,767 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-27 20:26:37,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:37,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526514950] [2024-11-27 20:26:37,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526514950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:37,768 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:37,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:26:37,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690469406] [2024-11-27 20:26:37,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:37,769 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:26:37,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:37,769 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:26:37,769 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:26:37,769 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) [2024-11-27 20:26:38,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:38,035 INFO L93 Difference]: Finished difference Result 2370 states and 3264 transitions. [2024-11-27 20:26:38,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:26:38,036 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 [2024-11-27 20:26:38,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:38,053 INFO L225 Difference]: With dead ends: 2370 [2024-11-27 20:26:38,054 INFO L226 Difference]: Without dead ends: 2368 [2024-11-27 20:26:38,055 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 [2024-11-27 20:26:38,056 INFO L435 NwaCegarLoop]: 1547 mSDtfsCounter, 0 mSDsluCounter, 3091 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2024-11-27 20:26:38,057 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] [2024-11-27 20:26:38,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2368 states. [2024-11-27 20:26:38,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2368 to 2368. [2024-11-27 20:26:38,268 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) [2024-11-27 20:26:38,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2368 states and 3261 transitions. [2024-11-27 20:26:38,287 INFO L78 Accepts]: Start accepts. Automaton has 2368 states and 3261 transitions. Word has length 131 [2024-11-27 20:26:38,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:38,290 INFO L471 AbstractCegarLoop]: Abstraction has 2368 states and 3261 transitions. [2024-11-27 20:26:38,290 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) [2024-11-27 20:26:38,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 3261 transitions. [2024-11-27 20:26:38,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-27 20:26:38,294 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:38,294 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] [2024-11-27 20:26:38,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-27 20:26:38,294 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)] === [2024-11-27 20:26:38,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:38,295 INFO L85 PathProgramCache]: Analyzing trace with hash 2025619641, now seen corresponding path program 1 times [2024-11-27 20:26:38,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:38,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441182411] [2024-11-27 20:26:38,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:38,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:26:41,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:41,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441182411] [2024-11-27 20:26:41,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441182411] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:41,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:41,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:26:41,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433680189] [2024-11-27 20:26:41,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:41,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:26:41,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:41,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:26:41,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:26:41,201 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) [2024-11-27 20:26:41,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:41,483 INFO L93 Difference]: Finished difference Result 2368 states and 3261 transitions. [2024-11-27 20:26:41,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:26:41,483 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 [2024-11-27 20:26:41,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:41,506 INFO L225 Difference]: With dead ends: 2368 [2024-11-27 20:26:41,506 INFO L226 Difference]: Without dead ends: 2366 [2024-11-27 20:26:41,508 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 [2024-11-27 20:26:41,509 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 [2024-11-27 20:26:41,509 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] [2024-11-27 20:26:41,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2366 states. [2024-11-27 20:26:41,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2366 to 2366. [2024-11-27 20:26:41,757 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) [2024-11-27 20:26:41,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2366 states and 3259 transitions. [2024-11-27 20:26:41,775 INFO L78 Accepts]: Start accepts. Automaton has 2366 states and 3259 transitions. Word has length 123 [2024-11-27 20:26:41,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:41,775 INFO L471 AbstractCegarLoop]: Abstraction has 2366 states and 3259 transitions. [2024-11-27 20:26:41,776 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) [2024-11-27 20:26:41,776 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 3259 transitions. [2024-11-27 20:26:41,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-27 20:26:41,780 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:41,780 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] [2024-11-27 20:26:41,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 20:26:41,781 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)] === [2024-11-27 20:26:41,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:41,781 INFO L85 PathProgramCache]: Analyzing trace with hash -715082059, now seen corresponding path program 1 times [2024-11-27 20:26:41,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:41,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699961082] [2024-11-27 20:26:41,782 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:41,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:47,826 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-27 20:26:47,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:47,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699961082] [2024-11-27 20:26:47,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699961082] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:47,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:47,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 20:26:47,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329540025] [2024-11-27 20:26:47,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:47,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:26:47,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:47,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:26:47,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:26:47,829 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) [2024-11-27 20:26:49,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:26:49,280 INFO L93 Difference]: Finished difference Result 4477 states and 6122 transitions. [2024-11-27 20:26:49,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:26:49,281 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 [2024-11-27 20:26:49,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:26:49,317 INFO L225 Difference]: With dead ends: 4477 [2024-11-27 20:26:49,317 INFO L226 Difference]: Without dead ends: 2412 [2024-11-27 20:26:49,329 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:26:49,330 INFO L435 NwaCegarLoop]: 1542 mSDtfsCounter, 12 mSDsluCounter, 10776 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:26:49,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 12318 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 20:26:49,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2412 states. [2024-11-27 20:26:49,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2412 to 2392. [2024-11-27 20:26:49,577 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) [2024-11-27 20:26:49,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 3294 transitions. [2024-11-27 20:26:49,595 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 3294 transitions. Word has length 166 [2024-11-27 20:26:49,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:26:49,596 INFO L471 AbstractCegarLoop]: Abstraction has 2392 states and 3294 transitions. [2024-11-27 20:26:49,596 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) [2024-11-27 20:26:49,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 3294 transitions. [2024-11-27 20:26:49,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-11-27 20:26:49,601 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:26:49,602 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] [2024-11-27 20:26:49,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 20:26:49,602 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)] === [2024-11-27 20:26:49,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:49,603 INFO L85 PathProgramCache]: Analyzing trace with hash 873265843, now seen corresponding path program 1 times [2024-11-27 20:26:49,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:49,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862694440] [2024-11-27 20:26:49,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:49,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:52,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:53,220 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-27 20:26:53,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:53,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862694440] [2024-11-27 20:26:53,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862694440] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:53,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:53,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:26:53,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1774579200] [2024-11-27 20:26:53,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:53,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:26:53,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:53,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:26:53,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:26:53,222 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) [2024-11-27 20:26:57,274 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 [] [2024-11-27 20:27:07,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:07,324 INFO L93 Difference]: Finished difference Result 6888 states and 10257 transitions. [2024-11-27 20:27:07,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:27:07,324 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 [2024-11-27 20:27:07,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:07,363 INFO L225 Difference]: With dead ends: 6888 [2024-11-27 20:27:07,363 INFO L226 Difference]: Without dead ends: 4665 [2024-11-27 20:27:07,383 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 [2024-11-27 20:27:07,384 INFO L435 NwaCegarLoop]: 3108 mSDtfsCounter, 3069 mSDsluCounter, 5073 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3069 SdHoareTripleChecker+Valid, 8181 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.5s IncrementalHoareTripleChecker+Time [2024-11-27 20:27:07,384 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3069 Valid, 8181 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1165 Invalid, 1 Unknown, 0 Unchecked, 13.5s Time] [2024-11-27 20:27:07,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4665 states. [2024-11-27 20:27:07,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4665 to 4394. [2024-11-27 20:27:07,853 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) [2024-11-27 20:27:07,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4394 states to 4394 states and 6389 transitions. [2024-11-27 20:27:07,884 INFO L78 Accepts]: Start accepts. Automaton has 4394 states and 6389 transitions. Word has length 166 [2024-11-27 20:27:07,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:07,885 INFO L471 AbstractCegarLoop]: Abstraction has 4394 states and 6389 transitions. [2024-11-27 20:27:07,885 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) [2024-11-27 20:27:07,886 INFO L276 IsEmpty]: Start isEmpty. Operand 4394 states and 6389 transitions. [2024-11-27 20:27:07,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-27 20:27:07,889 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:07,890 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] [2024-11-27 20:27:07,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 20:27:07,890 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)] === [2024-11-27 20:27:07,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:07,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1704195124, now seen corresponding path program 1 times [2024-11-27 20:27:07,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:07,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356316942] [2024-11-27 20:27:07,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:07,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:10,751 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-27 20:27:10,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:10,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356316942] [2024-11-27 20:27:10,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356316942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:27:10,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:27:10,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:27:10,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386955410] [2024-11-27 20:27:10,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:27:10,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:27:10,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:10,755 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:27:10,755 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:27:10,755 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) [2024-11-27 20:27:11,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:11,297 INFO L93 Difference]: Finished difference Result 8629 states and 13366 transitions. [2024-11-27 20:27:11,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:27:11,298 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 [2024-11-27 20:27:11,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:11,357 INFO L225 Difference]: With dead ends: 8629 [2024-11-27 20:27:11,357 INFO L226 Difference]: Without dead ends: 4384 [2024-11-27 20:27:11,405 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 [2024-11-27 20:27:11,406 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 [2024-11-27 20:27:11,406 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] [2024-11-27 20:27:11,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4384 states. [2024-11-27 20:27:11,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4384 to 4384. [2024-11-27 20:27:11,880 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) [2024-11-27 20:27:11,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4384 states to 4384 states and 6372 transitions. [2024-11-27 20:27:11,913 INFO L78 Accepts]: Start accepts. Automaton has 4384 states and 6372 transitions. Word has length 138 [2024-11-27 20:27:11,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:11,914 INFO L471 AbstractCegarLoop]: Abstraction has 4384 states and 6372 transitions. [2024-11-27 20:27:11,914 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) [2024-11-27 20:27:11,914 INFO L276 IsEmpty]: Start isEmpty. Operand 4384 states and 6372 transitions. [2024-11-27 20:27:11,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-27 20:27:11,919 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:11,919 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] [2024-11-27 20:27:11,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 20:27:11,920 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)] === [2024-11-27 20:27:11,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:11,921 INFO L85 PathProgramCache]: Analyzing trace with hash 284816696, now seen corresponding path program 1 times [2024-11-27 20:27:11,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:11,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630625583] [2024-11-27 20:27:11,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:11,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:15,540 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-27 20:27:15,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:15,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630625583] [2024-11-27 20:27:15,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630625583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:27:15,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:27:15,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 20:27:15,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002525262] [2024-11-27 20:27:15,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:27:15,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:27:15,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:15,542 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:27:15,542 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:27:15,542 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) [2024-11-27 20:27:19,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:27:23,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:27:33,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:33,326 INFO L93 Difference]: Finished difference Result 4653 states and 6660 transitions. [2024-11-27 20:27:33,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:27:33,327 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 [2024-11-27 20:27:33,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:33,356 INFO L225 Difference]: With dead ends: 4653 [2024-11-27 20:27:33,356 INFO L226 Difference]: Without dead ends: 4651 [2024-11-27 20:27:33,359 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 [2024-11-27 20:27:33,360 INFO L435 NwaCegarLoop]: 3096 mSDtfsCounter, 4013 mSDsluCounter, 5047 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 514 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.7s 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, 17.3s IncrementalHoareTripleChecker+Time [2024-11-27 20:27:33,360 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4013 Valid, 8143 Invalid, 1683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [514 Valid, 1167 Invalid, 2 Unknown, 0 Unchecked, 17.3s Time] [2024-11-27 20:27:33,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4651 states. [2024-11-27 20:27:33,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4651 to 4388. [2024-11-27 20:27:33,834 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) [2024-11-27 20:27:33,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4388 states to 4388 states and 6376 transitions. [2024-11-27 20:27:33,865 INFO L78 Accepts]: Start accepts. Automaton has 4388 states and 6376 transitions. Word has length 168 [2024-11-27 20:27:33,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:33,866 INFO L471 AbstractCegarLoop]: Abstraction has 4388 states and 6376 transitions. [2024-11-27 20:27:33,866 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) [2024-11-27 20:27:33,866 INFO L276 IsEmpty]: Start isEmpty. Operand 4388 states and 6376 transitions. [2024-11-27 20:27:33,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-27 20:27:33,872 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:33,872 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] [2024-11-27 20:27:33,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-27 20:27:33,873 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)] === [2024-11-27 20:27:33,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:33,874 INFO L85 PathProgramCache]: Analyzing trace with hash 241188320, now seen corresponding path program 1 times [2024-11-27 20:27:33,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:33,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750702632] [2024-11-27 20:27:33,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:33,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:36,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:36,614 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:27:36,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:36,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750702632] [2024-11-27 20:27:36,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750702632] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:27:36,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:27:36,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:27:36,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839322987] [2024-11-27 20:27:36,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:27:36,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:27:36,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:36,618 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:27:36,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:27:36,618 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) [2024-11-27 20:27:37,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:37,037 INFO L93 Difference]: Finished difference Result 4388 states and 6376 transitions. [2024-11-27 20:27:37,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:27:37,038 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 [2024-11-27 20:27:37,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:37,066 INFO L225 Difference]: With dead ends: 4388 [2024-11-27 20:27:37,067 INFO L226 Difference]: Without dead ends: 4386 [2024-11-27 20:27:37,070 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 [2024-11-27 20:27:37,071 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 [2024-11-27 20:27:37,071 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] [2024-11-27 20:27:37,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2024-11-27 20:27:37,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 4386. [2024-11-27 20:27:37,712 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) [2024-11-27 20:27:37,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4386 states to 4386 states and 6374 transitions. [2024-11-27 20:27:37,752 INFO L78 Accepts]: Start accepts. Automaton has 4386 states and 6374 transitions. Word has length 129 [2024-11-27 20:27:37,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:37,753 INFO L471 AbstractCegarLoop]: Abstraction has 4386 states and 6374 transitions. [2024-11-27 20:27:37,753 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) [2024-11-27 20:27:37,753 INFO L276 IsEmpty]: Start isEmpty. Operand 4386 states and 6374 transitions. [2024-11-27 20:27:37,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-27 20:27:37,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:37,762 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] [2024-11-27 20:27:37,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-27 20:27:37,762 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)] === [2024-11-27 20:27:37,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:37,763 INFO L85 PathProgramCache]: Analyzing trace with hash -765540331, now seen corresponding path program 1 times [2024-11-27 20:27:37,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:37,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621531231] [2024-11-27 20:27:37,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:37,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:40,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:40,622 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-27 20:27:40,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:40,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621531231] [2024-11-27 20:27:40,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621531231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:27:40,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:27:40,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-27 20:27:40,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666496337] [2024-11-27 20:27:40,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:27:40,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:27:40,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:40,624 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:27:40,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:27:40,624 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) [2024-11-27 20:27:40,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:40,979 INFO L93 Difference]: Finished difference Result 8325 states and 12046 transitions. [2024-11-27 20:27:40,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:27:40,980 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 [2024-11-27 20:27:40,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:41,008 INFO L225 Difference]: With dead ends: 8325 [2024-11-27 20:27:41,008 INFO L226 Difference]: Without dead ends: 4368 [2024-11-27 20:27:41,029 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 [2024-11-27 20:27:41,030 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-27 20:27:41,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1512 Valid, 1533 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 20:27:41,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4368 states. [2024-11-27 20:27:41,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4368 to 4368. [2024-11-27 20:27:41,639 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) [2024-11-27 20:27:41,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4368 states to 4368 states and 6341 transitions. [2024-11-27 20:27:41,669 INFO L78 Accepts]: Start accepts. Automaton has 4368 states and 6341 transitions. Word has length 172 [2024-11-27 20:27:41,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:41,669 INFO L471 AbstractCegarLoop]: Abstraction has 4368 states and 6341 transitions. [2024-11-27 20:27:41,670 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) [2024-11-27 20:27:41,670 INFO L276 IsEmpty]: Start isEmpty. Operand 4368 states and 6341 transitions. [2024-11-27 20:27:41,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-27 20:27:41,675 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:41,675 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] [2024-11-27 20:27:41,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 20:27:41,676 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)] === [2024-11-27 20:27:41,676 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:41,676 INFO L85 PathProgramCache]: Analyzing trace with hash -64163659, now seen corresponding path program 1 times [2024-11-27 20:27:41,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:41,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665437867] [2024-11-27 20:27:41,677 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:41,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:44,693 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:27:44,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:44,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665437867] [2024-11-27 20:27:44,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665437867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:27:44,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:27:44,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:27:44,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131046829] [2024-11-27 20:27:44,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:27:44,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:27:44,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:44,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:27:44,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:27:44,695 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) [2024-11-27 20:27:45,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:45,154 INFO L93 Difference]: Finished difference Result 4368 states and 6341 transitions. [2024-11-27 20:27:45,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:27:45,154 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 [2024-11-27 20:27:45,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:45,189 INFO L225 Difference]: With dead ends: 4368 [2024-11-27 20:27:45,189 INFO L226 Difference]: Without dead ends: 4366 [2024-11-27 20:27:45,194 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 [2024-11-27 20:27:45,196 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 [2024-11-27 20:27:45,197 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] [2024-11-27 20:27:45,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4366 states. [2024-11-27 20:27:46,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4366 to 4366. [2024-11-27 20:27:46,053 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) [2024-11-27 20:27:46,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4366 states to 4366 states and 6339 transitions. [2024-11-27 20:27:46,098 INFO L78 Accepts]: Start accepts. Automaton has 4366 states and 6339 transitions. Word has length 135 [2024-11-27 20:27:46,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:46,099 INFO L471 AbstractCegarLoop]: Abstraction has 4366 states and 6339 transitions. [2024-11-27 20:27:46,099 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) [2024-11-27 20:27:46,099 INFO L276 IsEmpty]: Start isEmpty. Operand 4366 states and 6339 transitions. [2024-11-27 20:27:46,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-27 20:27:46,108 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:46,108 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] [2024-11-27 20:27:46,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-27 20:27:46,108 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)] === [2024-11-27 20:27:46,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:46,109 INFO L85 PathProgramCache]: Analyzing trace with hash 990324324, now seen corresponding path program 1 times [2024-11-27 20:27:46,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:46,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527412040] [2024-11-27 20:27:46,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:46,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:49,267 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-11-27 20:27:49,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:49,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527412040] [2024-11-27 20:27:49,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1527412040] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:27:49,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708333450] [2024-11-27 20:27:49,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:49,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:27:49,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:27:49,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:27:49,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 20:27:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:53,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 2887 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-27 20:27:53,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:27:54,441 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-11-27 20:27:54,441 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:27:54,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708333450] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:27:54,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:27:54,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-11-27 20:27:54,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647106563] [2024-11-27 20:27:54,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:27:54,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:27:54,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:54,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:27:54,443 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:27:54,444 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) [2024-11-27 20:27:54,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:54,922 INFO L93 Difference]: Finished difference Result 8305 states and 11991 transitions. [2024-11-27 20:27:54,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:27:54,923 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 [2024-11-27 20:27:54,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:54,957 INFO L225 Difference]: With dead ends: 8305 [2024-11-27 20:27:54,957 INFO L226 Difference]: Without dead ends: 4392 [2024-11-27 20:27:54,978 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:27:54,980 INFO L435 NwaCegarLoop]: 1606 mSDtfsCounter, 1492 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:27:54,980 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1492 Valid, 1690 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:27:54,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4392 states. [2024-11-27 20:27:55,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4392 to 4390. [2024-11-27 20:27:55,617 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) [2024-11-27 20:27:55,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4390 states to 4390 states and 6350 transitions. [2024-11-27 20:27:55,652 INFO L78 Accepts]: Start accepts. Automaton has 4390 states and 6350 transitions. Word has length 178 [2024-11-27 20:27:55,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:55,653 INFO L471 AbstractCegarLoop]: Abstraction has 4390 states and 6350 transitions. [2024-11-27 20:27:55,653 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) [2024-11-27 20:27:55,653 INFO L276 IsEmpty]: Start isEmpty. Operand 4390 states and 6350 transitions. [2024-11-27 20:27:55,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-27 20:27:55,661 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:55,661 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] [2024-11-27 20:27:55,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 20:27:55,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-27 20:27:55,862 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)] === [2024-11-27 20:27:55,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:55,863 INFO L85 PathProgramCache]: Analyzing trace with hash 951890114, now seen corresponding path program 1 times [2024-11-27 20:27:55,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:55,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912130171] [2024-11-27 20:27:55,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:55,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:27:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:27:58,877 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:27:58,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:27:58,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912130171] [2024-11-27 20:27:58,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912130171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:27:58,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:27:58,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:27:58,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293470627] [2024-11-27 20:27:58,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:27:58,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:27:58,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:27:58,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:27:58,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:27:58,879 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) [2024-11-27 20:27:59,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:27:59,267 INFO L93 Difference]: Finished difference Result 4390 states and 6350 transitions. [2024-11-27 20:27:59,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:27:59,268 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 [2024-11-27 20:27:59,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:27:59,294 INFO L225 Difference]: With dead ends: 4390 [2024-11-27 20:27:59,294 INFO L226 Difference]: Without dead ends: 4388 [2024-11-27 20:27:59,298 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 [2024-11-27 20:27:59,299 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 [2024-11-27 20:27:59,299 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] [2024-11-27 20:27:59,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4388 states. [2024-11-27 20:27:59,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4388 to 4388. [2024-11-27 20:27:59,953 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) [2024-11-27 20:27:59,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4388 states to 4388 states and 6348 transitions. [2024-11-27 20:27:59,984 INFO L78 Accepts]: Start accepts. Automaton has 4388 states and 6348 transitions. Word has length 141 [2024-11-27 20:27:59,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:27:59,985 INFO L471 AbstractCegarLoop]: Abstraction has 4388 states and 6348 transitions. [2024-11-27 20:27:59,985 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) [2024-11-27 20:27:59,985 INFO L276 IsEmpty]: Start isEmpty. Operand 4388 states and 6348 transitions. [2024-11-27 20:27:59,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-27 20:27:59,992 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:27:59,992 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] [2024-11-27 20:27:59,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-27 20:27:59,992 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)] === [2024-11-27 20:27:59,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:27:59,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1899922185, now seen corresponding path program 1 times [2024-11-27 20:27:59,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:27:59,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991378007] [2024-11-27 20:27:59,993 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:27:59,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:03,761 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-11-27 20:28:03,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:03,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991378007] [2024-11-27 20:28:03,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991378007] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:03,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:03,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:28:03,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316248854] [2024-11-27 20:28:03,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:03,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:28:03,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:03,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:28:03,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:28:03,765 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) [2024-11-27 20:28:04,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:04,744 INFO L93 Difference]: Finished difference Result 8513 states and 13091 transitions. [2024-11-27 20:28:04,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:28:04,745 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 [2024-11-27 20:28:04,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:04,771 INFO L225 Difference]: With dead ends: 8513 [2024-11-27 20:28:04,771 INFO L226 Difference]: Without dead ends: 4396 [2024-11-27 20:28:04,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:28:04,804 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, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:04,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6083 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:28:04,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4396 states. [2024-11-27 20:28:05,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4396 to 4396. [2024-11-27 20:28:05,392 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) [2024-11-27 20:28:05,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4396 states to 4396 states and 6356 transitions. [2024-11-27 20:28:05,424 INFO L78 Accepts]: Start accepts. Automaton has 4396 states and 6356 transitions. Word has length 161 [2024-11-27 20:28:05,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:05,425 INFO L471 AbstractCegarLoop]: Abstraction has 4396 states and 6356 transitions. [2024-11-27 20:28:05,425 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) [2024-11-27 20:28:05,425 INFO L276 IsEmpty]: Start isEmpty. Operand 4396 states and 6356 transitions. [2024-11-27 20:28:05,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-27 20:28:05,430 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:05,430 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] [2024-11-27 20:28:05,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-27 20:28:05,431 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)] === [2024-11-27 20:28:05,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:05,431 INFO L85 PathProgramCache]: Analyzing trace with hash 384097533, now seen corresponding path program 1 times [2024-11-27 20:28:05,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:05,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696494688] [2024-11-27 20:28:05,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:05,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:08,112 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:28:08,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:08,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696494688] [2024-11-27 20:28:08,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696494688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:08,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:08,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:28:08,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [847917388] [2024-11-27 20:28:08,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:08,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:28:08,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:08,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:28:08,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:28:08,114 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) [2024-11-27 20:28:08,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:08,505 INFO L93 Difference]: Finished difference Result 4396 states and 6356 transitions. [2024-11-27 20:28:08,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:28:08,505 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 [2024-11-27 20:28:08,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:08,530 INFO L225 Difference]: With dead ends: 4396 [2024-11-27 20:28:08,530 INFO L226 Difference]: Without dead ends: 4394 [2024-11-27 20:28:08,534 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 [2024-11-27 20:28:08,535 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 [2024-11-27 20:28:08,535 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] [2024-11-27 20:28:08,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2024-11-27 20:28:09,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 4394. [2024-11-27 20:28:09,132 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) [2024-11-27 20:28:09,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4394 states to 4394 states and 6354 transitions. [2024-11-27 20:28:09,164 INFO L78 Accepts]: Start accepts. Automaton has 4394 states and 6354 transitions. Word has length 147 [2024-11-27 20:28:09,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:09,166 INFO L471 AbstractCegarLoop]: Abstraction has 4394 states and 6354 transitions. [2024-11-27 20:28:09,166 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) [2024-11-27 20:28:09,167 INFO L276 IsEmpty]: Start isEmpty. Operand 4394 states and 6354 transitions. [2024-11-27 20:28:09,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-27 20:28:09,171 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:09,171 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] [2024-11-27 20:28:09,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-27 20:28:09,172 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)] === [2024-11-27 20:28:09,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:09,172 INFO L85 PathProgramCache]: Analyzing trace with hash 276742265, now seen corresponding path program 1 times [2024-11-27 20:28:09,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:09,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762545737] [2024-11-27 20:28:09,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:09,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:11,971 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:28:11,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:11,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762545737] [2024-11-27 20:28:11,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [762545737] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:11,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:11,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:28:11,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239395357] [2024-11-27 20:28:11,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:11,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:28:11,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:11,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:28:11,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:28:11,973 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) [2024-11-27 20:28:12,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:12,375 INFO L93 Difference]: Finished difference Result 4394 states and 6354 transitions. [2024-11-27 20:28:12,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:28:12,375 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 [2024-11-27 20:28:12,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:12,394 INFO L225 Difference]: With dead ends: 4394 [2024-11-27 20:28:12,395 INFO L226 Difference]: Without dead ends: 4392 [2024-11-27 20:28:12,398 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 [2024-11-27 20:28:12,399 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 [2024-11-27 20:28:12,401 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] [2024-11-27 20:28:12,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4392 states. [2024-11-27 20:28:12,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4392 to 4392. [2024-11-27 20:28:12,930 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) [2024-11-27 20:28:12,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4392 states to 4392 states and 6352 transitions. [2024-11-27 20:28:12,951 INFO L78 Accepts]: Start accepts. Automaton has 4392 states and 6352 transitions. Word has length 153 [2024-11-27 20:28:12,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:12,951 INFO L471 AbstractCegarLoop]: Abstraction has 4392 states and 6352 transitions. [2024-11-27 20:28:12,952 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) [2024-11-27 20:28:12,952 INFO L276 IsEmpty]: Start isEmpty. Operand 4392 states and 6352 transitions. [2024-11-27 20:28:12,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-27 20:28:12,954 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:12,955 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] [2024-11-27 20:28:12,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-27 20:28:12,955 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)] === [2024-11-27 20:28:12,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:12,955 INFO L85 PathProgramCache]: Analyzing trace with hash 914553725, now seen corresponding path program 1 times [2024-11-27 20:28:12,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:12,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600963602] [2024-11-27 20:28:12,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:12,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:18,399 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-27 20:28:18,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:18,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600963602] [2024-11-27 20:28:18,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600963602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:18,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:18,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-27 20:28:18,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948198586] [2024-11-27 20:28:18,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:18,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-27 20:28:18,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:18,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-27 20:28:18,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:28:18,402 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) [2024-11-27 20:28:19,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:19,820 INFO L93 Difference]: Finished difference Result 6439 states and 9120 transitions. [2024-11-27 20:28:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-27 20:28:19,821 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 [2024-11-27 20:28:19,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:19,839 INFO L225 Difference]: With dead ends: 6439 [2024-11-27 20:28:19,840 INFO L226 Difference]: Without dead ends: 4398 [2024-11-27 20:28:19,847 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 [2024-11-27 20:28:19,847 INFO L435 NwaCegarLoop]: 1540 mSDtfsCounter, 6 mSDsluCounter, 10741 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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 [2024-11-27 20:28:19,848 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] [2024-11-27 20:28:19,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4398 states. [2024-11-27 20:28:20,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4398 to 4396. [2024-11-27 20:28:20,234 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) [2024-11-27 20:28:20,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4396 states to 4396 states and 6355 transitions. [2024-11-27 20:28:20,256 INFO L78 Accepts]: Start accepts. Automaton has 4396 states and 6355 transitions. Word has length 220 [2024-11-27 20:28:20,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:20,257 INFO L471 AbstractCegarLoop]: Abstraction has 4396 states and 6355 transitions. [2024-11-27 20:28:20,257 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) [2024-11-27 20:28:20,257 INFO L276 IsEmpty]: Start isEmpty. Operand 4396 states and 6355 transitions. [2024-11-27 20:28:20,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-27 20:28:20,261 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:20,261 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] [2024-11-27 20:28:20,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-27 20:28:20,262 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)] === [2024-11-27 20:28:20,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:20,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1896142820, now seen corresponding path program 1 times [2024-11-27 20:28:20,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:20,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649635858] [2024-11-27 20:28:20,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:20,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:22,974 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:28:22,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:22,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649635858] [2024-11-27 20:28:22,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649635858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:22,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:22,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:28:22,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640832530] [2024-11-27 20:28:22,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:22,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:28:22,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:22,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:28:22,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:28:22,977 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) [2024-11-27 20:28:23,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:23,411 INFO L93 Difference]: Finished difference Result 4396 states and 6355 transitions. [2024-11-27 20:28:23,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:28:23,412 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 [2024-11-27 20:28:23,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:23,426 INFO L225 Difference]: With dead ends: 4396 [2024-11-27 20:28:23,427 INFO L226 Difference]: Without dead ends: 4394 [2024-11-27 20:28:23,428 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 [2024-11-27 20:28:23,429 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 [2024-11-27 20:28:23,429 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] [2024-11-27 20:28:23,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2024-11-27 20:28:23,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 4394. [2024-11-27 20:28:23,779 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) [2024-11-27 20:28:23,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4394 states to 4394 states and 6353 transitions. [2024-11-27 20:28:23,798 INFO L78 Accepts]: Start accepts. Automaton has 4394 states and 6353 transitions. Word has length 159 [2024-11-27 20:28:23,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:23,799 INFO L471 AbstractCegarLoop]: Abstraction has 4394 states and 6353 transitions. [2024-11-27 20:28:23,799 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) [2024-11-27 20:28:23,799 INFO L276 IsEmpty]: Start isEmpty. Operand 4394 states and 6353 transitions. [2024-11-27 20:28:23,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-27 20:28:23,804 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:23,805 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] [2024-11-27 20:28:23,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-27 20:28:23,805 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)] === [2024-11-27 20:28:23,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:23,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1941587771, now seen corresponding path program 1 times [2024-11-27 20:28:23,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:23,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94573553] [2024-11-27 20:28:23,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:23,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:26,487 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:28:26,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:26,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94573553] [2024-11-27 20:28:26,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94573553] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:26,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:26,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:28:26,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2430688] [2024-11-27 20:28:26,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:26,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:28:26,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:26,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:28:26,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:28:26,489 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) [2024-11-27 20:28:26,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:26,884 INFO L93 Difference]: Finished difference Result 4394 states and 6353 transitions. [2024-11-27 20:28:26,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:28:26,885 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 [2024-11-27 20:28:26,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:26,908 INFO L225 Difference]: With dead ends: 4394 [2024-11-27 20:28:26,908 INFO L226 Difference]: Without dead ends: 4392 [2024-11-27 20:28:26,911 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 [2024-11-27 20:28:26,911 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 [2024-11-27 20:28:26,911 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] [2024-11-27 20:28:26,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4392 states. [2024-11-27 20:28:27,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4392 to 4392. [2024-11-27 20:28:27,281 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) [2024-11-27 20:28:27,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4392 states to 4392 states and 6351 transitions. [2024-11-27 20:28:27,303 INFO L78 Accepts]: Start accepts. Automaton has 4392 states and 6351 transitions. Word has length 165 [2024-11-27 20:28:27,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:27,303 INFO L471 AbstractCegarLoop]: Abstraction has 4392 states and 6351 transitions. [2024-11-27 20:28:27,303 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) [2024-11-27 20:28:27,304 INFO L276 IsEmpty]: Start isEmpty. Operand 4392 states and 6351 transitions. [2024-11-27 20:28:27,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-27 20:28:27,307 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:27,307 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] [2024-11-27 20:28:27,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-27 20:28:27,307 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)] === [2024-11-27 20:28:27,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:27,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1248323010, now seen corresponding path program 1 times [2024-11-27 20:28:27,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:27,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788622654] [2024-11-27 20:28:27,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:27,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:29,798 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:28:29,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:29,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788622654] [2024-11-27 20:28:29,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788622654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:29,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:29,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:28:29,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945287461] [2024-11-27 20:28:29,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:29,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:28:29,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:29,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:28:29,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:28:29,800 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) [2024-11-27 20:28:30,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:30,285 INFO L93 Difference]: Finished difference Result 4392 states and 6351 transitions. [2024-11-27 20:28:30,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:28:30,286 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 [2024-11-27 20:28:30,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:30,302 INFO L225 Difference]: With dead ends: 4392 [2024-11-27 20:28:30,302 INFO L226 Difference]: Without dead ends: 4390 [2024-11-27 20:28:30,305 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 [2024-11-27 20:28:30,306 INFO L435 NwaCegarLoop]: 1513 mSDtfsCounter, 1465 mSDsluCounter, 1512 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 20:28:30,306 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1465 Valid, 3025 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:28:30,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4390 states. [2024-11-27 20:28:30,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4390 to 4390. [2024-11-27 20:28:30,714 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) [2024-11-27 20:28:30,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4390 states to 4390 states and 6349 transitions. [2024-11-27 20:28:30,733 INFO L78 Accepts]: Start accepts. Automaton has 4390 states and 6349 transitions. Word has length 171 [2024-11-27 20:28:30,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:30,734 INFO L471 AbstractCegarLoop]: Abstraction has 4390 states and 6349 transitions. [2024-11-27 20:28:30,734 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) [2024-11-27 20:28:30,734 INFO L276 IsEmpty]: Start isEmpty. Operand 4390 states and 6349 transitions. [2024-11-27 20:28:30,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-11-27 20:28:30,737 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:30,738 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] [2024-11-27 20:28:30,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-27 20:28:30,738 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)] === [2024-11-27 20:28:30,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:30,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1572043592, now seen corresponding path program 1 times [2024-11-27 20:28:30,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:30,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661939315] [2024-11-27 20:28:30,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:30,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:33,111 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:28:33,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:33,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661939315] [2024-11-27 20:28:33,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661939315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:33,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:33,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:28:33,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760237342] [2024-11-27 20:28:33,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:33,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:28:33,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:33,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:28:33,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:28:33,113 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) [2024-11-27 20:28:33,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:33,567 INFO L93 Difference]: Finished difference Result 4390 states and 6349 transitions. [2024-11-27 20:28:33,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:28:33,568 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 [2024-11-27 20:28:33,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:33,583 INFO L225 Difference]: With dead ends: 4390 [2024-11-27 20:28:33,584 INFO L226 Difference]: Without dead ends: 4388 [2024-11-27 20:28:33,586 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 [2024-11-27 20:28:33,586 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 [2024-11-27 20:28:33,587 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] [2024-11-27 20:28:33,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4388 states. [2024-11-27 20:28:34,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4388 to 4388. [2024-11-27 20:28:34,103 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) [2024-11-27 20:28:34,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4388 states to 4388 states and 6347 transitions. [2024-11-27 20:28:34,123 INFO L78 Accepts]: Start accepts. Automaton has 4388 states and 6347 transitions. Word has length 177 [2024-11-27 20:28:34,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:34,123 INFO L471 AbstractCegarLoop]: Abstraction has 4388 states and 6347 transitions. [2024-11-27 20:28:34,124 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) [2024-11-27 20:28:34,124 INFO L276 IsEmpty]: Start isEmpty. Operand 4388 states and 6347 transitions. [2024-11-27 20:28:34,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-11-27 20:28:34,128 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:34,128 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] [2024-11-27 20:28:34,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-27 20:28:34,129 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)] === [2024-11-27 20:28:34,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:34,129 INFO L85 PathProgramCache]: Analyzing trace with hash 323316088, now seen corresponding path program 1 times [2024-11-27 20:28:34,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:34,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884747306] [2024-11-27 20:28:34,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:34,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:36,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:36,769 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:28:36,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:36,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884747306] [2024-11-27 20:28:36,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884747306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:36,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:36,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:28:36,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720740704] [2024-11-27 20:28:36,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:36,770 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:28:36,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:36,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:28:36,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:28:36,771 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) [2024-11-27 20:28:37,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:37,252 INFO L93 Difference]: Finished difference Result 4388 states and 6347 transitions. [2024-11-27 20:28:37,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:28:37,253 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 [2024-11-27 20:28:37,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:37,269 INFO L225 Difference]: With dead ends: 4388 [2024-11-27 20:28:37,270 INFO L226 Difference]: Without dead ends: 4386 [2024-11-27 20:28:37,272 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 [2024-11-27 20:28:37,273 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 [2024-11-27 20:28:37,274 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] [2024-11-27 20:28:37,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2024-11-27 20:28:37,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 4386. [2024-11-27 20:28:37,722 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) [2024-11-27 20:28:37,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4386 states to 4386 states and 6345 transitions. [2024-11-27 20:28:37,753 INFO L78 Accepts]: Start accepts. Automaton has 4386 states and 6345 transitions. Word has length 183 [2024-11-27 20:28:37,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:37,753 INFO L471 AbstractCegarLoop]: Abstraction has 4386 states and 6345 transitions. [2024-11-27 20:28:37,754 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) [2024-11-27 20:28:37,754 INFO L276 IsEmpty]: Start isEmpty. Operand 4386 states and 6345 transitions. [2024-11-27 20:28:37,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-11-27 20:28:37,761 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:37,761 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] [2024-11-27 20:28:37,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-27 20:28:37,762 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)] === [2024-11-27 20:28:37,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:37,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1606638475, now seen corresponding path program 1 times [2024-11-27 20:28:37,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:37,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155368370] [2024-11-27 20:28:37,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:37,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:40,824 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2024-11-27 20:28:40,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:40,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155368370] [2024-11-27 20:28:40,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155368370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:40,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:40,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:28:40,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235007642] [2024-11-27 20:28:40,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:40,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:28:40,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:40,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:28:40,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:28:40,826 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) [2024-11-27 20:28:41,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:41,515 INFO L93 Difference]: Finished difference Result 4414 states and 6365 transitions. [2024-11-27 20:28:41,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:28:41,516 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 [2024-11-27 20:28:41,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:41,532 INFO L225 Difference]: With dead ends: 4414 [2024-11-27 20:28:41,532 INFO L226 Difference]: Without dead ends: 4412 [2024-11-27 20:28:41,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:28:41,535 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 [2024-11-27 20:28:41,535 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] [2024-11-27 20:28:41,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4412 states. [2024-11-27 20:28:41,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4412 to 4412. [2024-11-27 20:28:41,992 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) [2024-11-27 20:28:42,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4412 states to 4412 states and 6360 transitions. [2024-11-27 20:28:42,014 INFO L78 Accepts]: Start accepts. Automaton has 4412 states and 6360 transitions. Word has length 253 [2024-11-27 20:28:42,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:42,014 INFO L471 AbstractCegarLoop]: Abstraction has 4412 states and 6360 transitions. [2024-11-27 20:28:42,014 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) [2024-11-27 20:28:42,014 INFO L276 IsEmpty]: Start isEmpty. Operand 4412 states and 6360 transitions. [2024-11-27 20:28:42,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-27 20:28:42,022 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:42,022 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:28:42,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-27 20:28:42,022 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)] === [2024-11-27 20:28:42,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:42,023 INFO L85 PathProgramCache]: Analyzing trace with hash 583613077, now seen corresponding path program 1 times [2024-11-27 20:28:42,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:42,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957101370] [2024-11-27 20:28:42,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:42,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:44,656 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-27 20:28:44,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:44,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957101370] [2024-11-27 20:28:44,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957101370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:44,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:44,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 20:28:44,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204365037] [2024-11-27 20:28:44,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:44,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 20:28:44,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:44,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 20:28:44,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 20:28:44,659 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) [2024-11-27 20:28:45,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:45,683 INFO L93 Difference]: Finished difference Result 8549 states and 13108 transitions. [2024-11-27 20:28:45,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 20:28:45,683 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 [2024-11-27 20:28:45,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:45,727 INFO L225 Difference]: With dead ends: 8549 [2024-11-27 20:28:45,727 INFO L226 Difference]: Without dead ends: 8390 [2024-11-27 20:28:45,738 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 [2024-11-27 20:28:45,739 INFO L435 NwaCegarLoop]: 1907 mSDtfsCounter, 1452 mSDsluCounter, 3322 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1452 SdHoareTripleChecker+Valid, 5229 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 [2024-11-27 20:28:45,739 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1452 Valid, 5229 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 20:28:45,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8390 states. [2024-11-27 20:28:46,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8390 to 8366. [2024-11-27 20:28:47,001 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) [2024-11-27 20:28:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8366 states to 8366 states and 12901 transitions. [2024-11-27 20:28:47,068 INFO L78 Accepts]: Start accepts. Automaton has 8366 states and 12901 transitions. Word has length 189 [2024-11-27 20:28:47,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:47,068 INFO L471 AbstractCegarLoop]: Abstraction has 8366 states and 12901 transitions. [2024-11-27 20:28:47,068 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) [2024-11-27 20:28:47,068 INFO L276 IsEmpty]: Start isEmpty. Operand 8366 states and 12901 transitions. [2024-11-27 20:28:47,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-11-27 20:28:47,073 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:47,073 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] [2024-11-27 20:28:47,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-27 20:28:47,073 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)] === [2024-11-27 20:28:47,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:47,074 INFO L85 PathProgramCache]: Analyzing trace with hash -1326693994, now seen corresponding path program 1 times [2024-11-27 20:28:47,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:47,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138403612] [2024-11-27 20:28:47,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:47,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:28:50,069 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-11-27 20:28:50,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:28:50,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138403612] [2024-11-27 20:28:50,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138403612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:28:50,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:28:50,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:28:50,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493165576] [2024-11-27 20:28:50,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:28:50,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:28:50,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:28:50,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:28:50,071 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:28:50,071 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) [2024-11-27 20:28:54,102 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 [] [2024-11-27 20:28:55,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:28:55,137 INFO L93 Difference]: Finished difference Result 8366 states and 12901 transitions. [2024-11-27 20:28:55,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:28:55,138 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 [2024-11-27 20:28:55,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:28:55,174 INFO L225 Difference]: With dead ends: 8366 [2024-11-27 20:28:55,174 INFO L226 Difference]: Without dead ends: 8364 [2024-11-27 20:28:55,181 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 [2024-11-27 20:28:55,181 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 [2024-11-27 20:28:55,181 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] [2024-11-27 20:28:55,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8364 states. [2024-11-27 20:28:56,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8364 to 8364. [2024-11-27 20:28:56,175 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) [2024-11-27 20:28:56,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8364 states to 8364 states and 12892 transitions. [2024-11-27 20:28:56,223 INFO L78 Accepts]: Start accepts. Automaton has 8364 states and 12892 transitions. Word has length 274 [2024-11-27 20:28:56,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:28:56,224 INFO L471 AbstractCegarLoop]: Abstraction has 8364 states and 12892 transitions. [2024-11-27 20:28:56,224 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) [2024-11-27 20:28:56,224 INFO L276 IsEmpty]: Start isEmpty. Operand 8364 states and 12892 transitions. [2024-11-27 20:28:56,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-11-27 20:28:56,230 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:28:56,230 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] [2024-11-27 20:28:56,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-27 20:28:56,230 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)] === [2024-11-27 20:28:56,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:28:56,231 INFO L85 PathProgramCache]: Analyzing trace with hash -186702486, now seen corresponding path program 1 times [2024-11-27 20:28:56,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:28:56,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152774324] [2024-11-27 20:28:56,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:28:56,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:28:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:00,954 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-11-27 20:29:00,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:00,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152774324] [2024-11-27 20:29:00,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152774324] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:00,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:00,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 20:29:00,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323704386] [2024-11-27 20:29:00,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:00,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:29:00,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:00,956 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:29:00,956 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:29:00,957 INFO L87 Difference]: Start difference. First operand 8364 states and 12892 transitions. Second operand has 10 states, 10 states have (on average 13.5) internal successors, (135), 8 states have internal predecessors, (135), 3 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-27 20:29:02,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:02,595 INFO L93 Difference]: Finished difference Result 16541 states and 27820 transitions. [2024-11-27 20:29:02,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:29:02,595 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.5) internal successors, (135), 8 states have internal predecessors, (135), 3 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) Word has length 275 [2024-11-27 20:29:02,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:02,633 INFO L225 Difference]: With dead ends: 16541 [2024-11-27 20:29:02,634 INFO L226 Difference]: Without dead ends: 8452 [2024-11-27 20:29:02,718 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 [2024-11-27 20:29:02,718 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 [2024-11-27 20:29:02,718 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] [2024-11-27 20:29:02,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8452 states. [2024-11-27 20:29:03,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8452 to 8452. [2024-11-27 20:29:03,588 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) [2024-11-27 20:29:03,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8452 states to 8452 states and 12992 transitions. [2024-11-27 20:29:03,636 INFO L78 Accepts]: Start accepts. Automaton has 8452 states and 12992 transitions. Word has length 275 [2024-11-27 20:29:03,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:03,636 INFO L471 AbstractCegarLoop]: Abstraction has 8452 states and 12992 transitions. [2024-11-27 20:29:03,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.5) internal successors, (135), 8 states have internal predecessors, (135), 3 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) [2024-11-27 20:29:03,637 INFO L276 IsEmpty]: Start isEmpty. Operand 8452 states and 12992 transitions. [2024-11-27 20:29:03,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-11-27 20:29:03,642 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:03,643 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] [2024-11-27 20:29:03,643 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-27 20:29:03,643 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)] === [2024-11-27 20:29:03,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:03,643 INFO L85 PathProgramCache]: Analyzing trace with hash -914446737, now seen corresponding path program 1 times [2024-11-27 20:29:03,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:03,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093424046] [2024-11-27 20:29:03,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:03,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:06,341 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2024-11-27 20:29:06,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:06,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093424046] [2024-11-27 20:29:06,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093424046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:06,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:06,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:29:06,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821251480] [2024-11-27 20:29:06,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:06,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 20:29:06,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:06,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 20:29:06,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 20:29:06,344 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) [2024-11-27 20:29:07,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:07,444 INFO L93 Difference]: Finished difference Result 16653 states and 27916 transitions. [2024-11-27 20:29:07,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 20:29:07,444 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 [2024-11-27 20:29:07,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:07,485 INFO L225 Difference]: With dead ends: 16653 [2024-11-27 20:29:07,485 INFO L226 Difference]: Without dead ends: 8476 [2024-11-27 20:29:07,533 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 [2024-11-27 20:29:07,534 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 [2024-11-27 20:29:07,534 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] [2024-11-27 20:29:07,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8476 states. [2024-11-27 20:29:08,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8476 to 8476. [2024-11-27 20:29:08,395 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) [2024-11-27 20:29:08,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8476 states to 8476 states and 13016 transitions. [2024-11-27 20:29:08,437 INFO L78 Accepts]: Start accepts. Automaton has 8476 states and 13016 transitions. Word has length 329 [2024-11-27 20:29:08,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:08,437 INFO L471 AbstractCegarLoop]: Abstraction has 8476 states and 13016 transitions. [2024-11-27 20:29:08,437 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) [2024-11-27 20:29:08,437 INFO L276 IsEmpty]: Start isEmpty. Operand 8476 states and 13016 transitions. [2024-11-27 20:29:08,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-11-27 20:29:08,446 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:08,446 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] [2024-11-27 20:29:08,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-11-27 20:29:08,446 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)] === [2024-11-27 20:29:08,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:08,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1048460243, now seen corresponding path program 1 times [2024-11-27 20:29:08,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:08,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009022216] [2024-11-27 20:29:08,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:08,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:11,602 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2024-11-27 20:29:11,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:11,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009022216] [2024-11-27 20:29:11,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009022216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:11,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:11,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 20:29:11,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136741473] [2024-11-27 20:29:11,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:11,603 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 20:29:11,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:11,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 20:29:11,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 20:29:11,605 INFO L87 Difference]: Start difference. First operand 8476 states and 13016 transitions. Second operand has 7 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-27 20:29:13,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:13,516 INFO L93 Difference]: Finished difference Result 17017 states and 28363 transitions. [2024-11-27 20:29:13,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:29:13,517 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 329 [2024-11-27 20:29:13,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:13,565 INFO L225 Difference]: With dead ends: 17017 [2024-11-27 20:29:13,565 INFO L226 Difference]: Without dead ends: 8816 [2024-11-27 20:29:13,622 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-27 20:29:13,622 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, 0.7s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:13,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 9184 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-27 20:29:13,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8816 states. [2024-11-27 20:29:14,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8816 to 8816. [2024-11-27 20:29:14,718 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) [2024-11-27 20:29:14,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8816 states to 8816 states and 13337 transitions. [2024-11-27 20:29:14,766 INFO L78 Accepts]: Start accepts. Automaton has 8816 states and 13337 transitions. Word has length 329 [2024-11-27 20:29:14,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:14,767 INFO L471 AbstractCegarLoop]: Abstraction has 8816 states and 13337 transitions. [2024-11-27 20:29:14,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-11-27 20:29:14,767 INFO L276 IsEmpty]: Start isEmpty. Operand 8816 states and 13337 transitions. [2024-11-27 20:29:14,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-11-27 20:29:14,772 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:14,772 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] [2024-11-27 20:29:14,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-27 20:29:14,773 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)] === [2024-11-27 20:29:14,773 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:14,773 INFO L85 PathProgramCache]: Analyzing trace with hash 937684510, now seen corresponding path program 1 times [2024-11-27 20:29:14,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:14,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280659018] [2024-11-27 20:29:14,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:14,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:19,991 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2024-11-27 20:29:19,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:19,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280659018] [2024-11-27 20:29:19,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280659018] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:19,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:29:19,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-27 20:29:19,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260256946] [2024-11-27 20:29:19,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:19,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-27 20:29:19,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:19,994 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-27 20:29:19,994 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-11-27 20:29:19,994 INFO L87 Difference]: Start difference. First operand 8816 states and 13337 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) [2024-11-27 20:29:21,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:21,511 INFO L93 Difference]: Finished difference Result 17429 states and 26388 transitions. [2024-11-27 20:29:21,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-27 20:29:21,512 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 [2024-11-27 20:29:21,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:21,557 INFO L225 Difference]: With dead ends: 17429 [2024-11-27 20:29:21,557 INFO L226 Difference]: Without dead ends: 8824 [2024-11-27 20:29:21,593 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 [2024-11-27 20:29:21,593 INFO L435 NwaCegarLoop]: 1501 mSDtfsCounter, 0 mSDsluCounter, 11994 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:21,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13495 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 20:29:21,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8824 states. [2024-11-27 20:29:22,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8824 to 8824. [2024-11-27 20:29:22,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8824 states, 6225 states have (on average 1.2321285140562248) internal successors, (7670), 6364 states have internal predecessors, (7670), 2040 states have call successors, (2040), 529 states have call predecessors, (2040), 551 states have return successors, (3635), 2030 states have call predecessors, (3635), 2036 states have call successors, (3635) [2024-11-27 20:29:22,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8824 states to 8824 states and 13345 transitions. [2024-11-27 20:29:22,592 INFO L78 Accepts]: Start accepts. Automaton has 8824 states and 13345 transitions. Word has length 330 [2024-11-27 20:29:22,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:22,592 INFO L471 AbstractCegarLoop]: Abstraction has 8824 states and 13345 transitions. [2024-11-27 20:29:22,593 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) [2024-11-27 20:29:22,593 INFO L276 IsEmpty]: Start isEmpty. Operand 8824 states and 13345 transitions. [2024-11-27 20:29:22,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-11-27 20:29:22,599 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:22,599 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] [2024-11-27 20:29:22,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-27 20:29:22,599 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-11-27 20:29:22,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:22,600 INFO L85 PathProgramCache]: Analyzing trace with hash -788269174, now seen corresponding path program 1 times [2024-11-27 20:29:22,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:22,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323156296] [2024-11-27 20:29:22,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:22,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:28,227 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-11-27 20:29:28,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:28,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323156296] [2024-11-27 20:29:28,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323156296] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:29:28,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395118750] [2024-11-27 20:29:28,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:28,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:28,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:28,231 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:28,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 20:29:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:34,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 3434 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-27 20:29:34,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:29:38,789 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-11-27 20:29:38,789 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:29:38,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395118750] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:29:38,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:29:38,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [9] total 26 [2024-11-27 20:29:38,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159962954] [2024-11-27 20:29:38,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:29:38,791 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-27 20:29:38,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:29:38,792 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-27 20:29:38,793 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2024-11-27 20:29:38,793 INFO L87 Difference]: Start difference. First operand 8824 states and 13345 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) [2024-11-27 20:29:44,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:29:44,932 INFO L93 Difference]: Finished difference Result 16224 states and 24386 transitions. [2024-11-27 20:29:44,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-27 20:29:44,933 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 [2024-11-27 20:29:44,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:29:44,973 INFO L225 Difference]: With dead ends: 16224 [2024-11-27 20:29:44,973 INFO L226 Difference]: Without dead ends: 8084 [2024-11-27 20:29:45,001 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=61, Invalid=751, Unknown=0, NotChecked=0, Total=812 [2024-11-27 20:29:45,001 INFO L435 NwaCegarLoop]: 1476 mSDtfsCounter, 3 mSDsluCounter, 25035 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s 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, 4.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:29:45,002 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 26511 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2024-11-27 20:29:45,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8084 states. [2024-11-27 20:29:45,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8084 to 8084. [2024-11-27 20:29:45,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8084 states, 5716 states have (on average 1.2360041987403778) internal successors, (7065), 5842 states have internal predecessors, (7065), 1816 states have call successors, (1816), 522 states have call predecessors, (1816), 544 states have return successors, (3278), 1799 states have call predecessors, (3278), 1812 states have call successors, (3278) [2024-11-27 20:29:45,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8084 states to 8084 states and 12159 transitions. [2024-11-27 20:29:45,970 INFO L78 Accepts]: Start accepts. Automaton has 8084 states and 12159 transitions. Word has length 296 [2024-11-27 20:29:45,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:29:45,970 INFO L471 AbstractCegarLoop]: Abstraction has 8084 states and 12159 transitions. [2024-11-27 20:29:45,970 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) [2024-11-27 20:29:45,970 INFO L276 IsEmpty]: Start isEmpty. Operand 8084 states and 12159 transitions. [2024-11-27 20:29:45,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-11-27 20:29:45,975 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:29:45,975 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] [2024-11-27 20:29:45,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-27 20:29:46,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-27 20:29:46,176 INFO L396 AbstractCegarLoop]: === Iteration 41 === 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)] === [2024-11-27 20:29:46,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:29:46,176 INFO L85 PathProgramCache]: Analyzing trace with hash 763981653, now seen corresponding path program 1 times [2024-11-27 20:29:46,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:29:46,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165113307] [2024-11-27 20:29:46,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:46,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:29:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:52,007 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 21 proven. 54 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2024-11-27 20:29:52,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:29:52,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165113307] [2024-11-27 20:29:52,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165113307] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:29:52,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1385736931] [2024-11-27 20:29:52,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:29:52,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:29:52,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:29:52,011 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:29:52,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 20:29:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:29:58,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 3903 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 20:29:58,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:30:01,120 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-11-27 20:30:01,120 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:30:01,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1385736931] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:30:01,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:30:01,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [9] total 19 [2024-11-27 20:30:01,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444193249] [2024-11-27 20:30:01,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:30:01,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 20:30:01,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:30:01,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 20:30:01,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=306, Unknown=0, NotChecked=0, Total=342 [2024-11-27 20:30:01,125 INFO L87 Difference]: Start difference. First operand 8084 states and 12159 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) [2024-11-27 20:30:06,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:30:06,250 INFO L93 Difference]: Finished difference Result 15699 states and 23533 transitions. [2024-11-27 20:30:06,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 20:30:06,251 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 [2024-11-27 20:30:06,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:30:06,306 INFO L225 Difference]: With dead ends: 15699 [2024-11-27 20:30:06,306 INFO L226 Difference]: Without dead ends: 8128 [2024-11-27 20:30:06,343 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2024-11-27 20:30:06,343 INFO L435 NwaCegarLoop]: 1477 mSDtfsCounter, 3 mSDsluCounter, 17673 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 19150 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-27 20:30:06,344 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 19150 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-27 20:30:06,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8128 states. [2024-11-27 20:30:07,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8128 to 8116. [2024-11-27 20:30:07,254 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) [2024-11-27 20:30:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8116 states to 8116 states and 12201 transitions. [2024-11-27 20:30:07,309 INFO L78 Accepts]: Start accepts. Automaton has 8116 states and 12201 transitions. Word has length 327 [2024-11-27 20:30:07,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:30:07,309 INFO L471 AbstractCegarLoop]: Abstraction has 8116 states and 12201 transitions. [2024-11-27 20:30:07,309 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) [2024-11-27 20:30:07,309 INFO L276 IsEmpty]: Start isEmpty. Operand 8116 states and 12201 transitions. [2024-11-27 20:30:07,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2024-11-27 20:30:07,315 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:30:07,315 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, 1, 1, 1, 1, 1] [2024-11-27 20:30:07,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-27 20:30:07,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:30:07,516 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)] === [2024-11-27 20:30:07,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:30:07,517 INFO L85 PathProgramCache]: Analyzing trace with hash 152397596, now seen corresponding path program 1 times [2024-11-27 20:30:07,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:30:07,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1100795994] [2024-11-27 20:30:07,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:07,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:30:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:13,207 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-11-27 20:30:13,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:30:13,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1100795994] [2024-11-27 20:30:13,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1100795994] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:30:13,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150045950] [2024-11-27 20:30:13,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:13,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:30:13,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:30:13,210 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:30:13,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 20:30:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:19,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 3674 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-27 20:30:19,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:30:19,797 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-11-27 20:30:19,798 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:30:19,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150045950] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:30:19,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:30:19,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-11-27 20:30:19,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175560544] [2024-11-27 20:30:19,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:30:19,800 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:30:19,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:30:19,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:30:19,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-11-27 20:30:19,801 INFO L87 Difference]: Start difference. First operand 8116 states and 12201 transitions. Second operand has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 3 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-11-27 20:30:21,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:30:21,724 INFO L93 Difference]: Finished difference Result 11719 states and 17228 transitions. [2024-11-27 20:30:21,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 20:30:21,725 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 3 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 321 [2024-11-27 20:30:21,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:30:21,783 INFO L225 Difference]: With dead ends: 11719 [2024-11-27 20:30:21,783 INFO L226 Difference]: Without dead ends: 8116 [2024-11-27 20:30:21,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2024-11-27 20:30:21,797 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 [2024-11-27 20:30:21,797 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] [2024-11-27 20:30:21,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8116 states. [2024-11-27 20:30:22,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8116 to 8114. [2024-11-27 20:30:22,606 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) [2024-11-27 20:30:22,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8114 states to 8114 states and 12197 transitions. [2024-11-27 20:30:22,657 INFO L78 Accepts]: Start accepts. Automaton has 8114 states and 12197 transitions. Word has length 321 [2024-11-27 20:30:22,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:30:22,657 INFO L471 AbstractCegarLoop]: Abstraction has 8114 states and 12197 transitions. [2024-11-27 20:30:22,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 26.333333333333332) internal successors, (158), 6 states have internal predecessors, (158), 3 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-11-27 20:30:22,657 INFO L276 IsEmpty]: Start isEmpty. Operand 8114 states and 12197 transitions. [2024-11-27 20:30:22,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2024-11-27 20:30:22,661 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:30:22,662 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] [2024-11-27 20:30:22,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-27 20:30:22,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-27 20:30:22,862 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)] === [2024-11-27 20:30:22,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:30:22,863 INFO L85 PathProgramCache]: Analyzing trace with hash -645883898, now seen corresponding path program 1 times [2024-11-27 20:30:22,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:30:22,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61798086] [2024-11-27 20:30:22,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:22,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:30:25,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:29,061 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 6 proven. 67 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-11-27 20:30:29,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:30:29,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61798086] [2024-11-27 20:30:29,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61798086] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:30:29,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068125782] [2024-11-27 20:30:29,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:29,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:30:29,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:30:29,064 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:30:29,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 20:30:35,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:35,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 3896 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-27 20:30:35,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:30:35,989 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 343 proven. 3 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2024-11-27 20:30:35,989 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 20:30:40,285 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 18 proven. 51 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2024-11-27 20:30:40,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068125782] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 20:30:40,285 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 20:30:40,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 16 [2024-11-27 20:30:40,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434704962] [2024-11-27 20:30:40,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 20:30:40,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-27 20:30:40,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:30:40,288 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-27 20:30:40,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-27 20:30:40,289 INFO L87 Difference]: Start difference. First operand 8114 states and 12197 transitions. Second operand has 16 states, 15 states have (on average 16.6) internal successors, (249), 13 states have internal predecessors, (249), 5 states have call successors, (92), 2 states have call predecessors, (92), 5 states have return successors, (91), 7 states have call predecessors, (91), 5 states have call successors, (91) [2024-11-27 20:30:44,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:30:44,433 INFO L93 Difference]: Finished difference Result 16209 states and 24368 transitions. [2024-11-27 20:30:44,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-27 20:30:44,434 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 16.6) internal successors, (249), 13 states have internal predecessors, (249), 5 states have call successors, (92), 2 states have call predecessors, (92), 5 states have return successors, (91), 7 states have call predecessors, (91), 5 states have call successors, (91) Word has length 351 [2024-11-27 20:30:44,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:30:44,478 INFO L225 Difference]: With dead ends: 16209 [2024-11-27 20:30:44,478 INFO L226 Difference]: Without dead ends: 8114 [2024-11-27 20:30:44,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 711 GetRequests, 693 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2024-11-27 20:30:44,512 INFO L435 NwaCegarLoop]: 1477 mSDtfsCounter, 285 mSDsluCounter, 15906 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 17383 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:30:44,513 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [287 Valid, 17383 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-27 20:30:44,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8114 states. [2024-11-27 20:30:45,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8114 to 8114. [2024-11-27 20:30:45,576 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) [2024-11-27 20:30:45,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8114 states to 8114 states and 12195 transitions. [2024-11-27 20:30:45,631 INFO L78 Accepts]: Start accepts. Automaton has 8114 states and 12195 transitions. Word has length 351 [2024-11-27 20:30:45,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:30:45,631 INFO L471 AbstractCegarLoop]: Abstraction has 8114 states and 12195 transitions. [2024-11-27 20:30:45,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 16.6) internal successors, (249), 13 states have internal predecessors, (249), 5 states have call successors, (92), 2 states have call predecessors, (92), 5 states have return successors, (91), 7 states have call predecessors, (91), 5 states have call successors, (91) [2024-11-27 20:30:45,631 INFO L276 IsEmpty]: Start isEmpty. Operand 8114 states and 12195 transitions. [2024-11-27 20:30:45,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2024-11-27 20:30:45,637 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:30:45,638 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:30:45,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-27 20:30:45,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:30:45,838 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)] === [2024-11-27 20:30:45,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:30:45,839 INFO L85 PathProgramCache]: Analyzing trace with hash 754082491, now seen corresponding path program 1 times [2024-11-27 20:30:45,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:30:45,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029360191] [2024-11-27 20:30:45,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:45,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:30:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:52,257 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 41 proven. 6 refuted. 0 times theorem prover too weak. 653 trivial. 0 not checked. [2024-11-27 20:30:52,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:30:52,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029360191] [2024-11-27 20:30:52,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029360191] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 20:30:52,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428950687] [2024-11-27 20:30:52,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:30:52,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:30:52,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:30:52,260 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:30:52,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 20:30:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:30:59,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 4210 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-27 20:30:59,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 20:31:02,014 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2024-11-27 20:31:02,014 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 20:31:02,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428950687] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:31:02,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 20:31:02,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14] total 23 [2024-11-27 20:31:02,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15539193] [2024-11-27 20:31:02,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:31:02,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-27 20:31:02,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:31:02,017 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-27 20:31:02,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2024-11-27 20:31:02,018 INFO L87 Difference]: Start difference. First operand 8114 states and 12195 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, (54), 2 states have call predecessors, (54), 4 states have return successors, (49), 6 states have call predecessors, (49), 6 states have call successors, (49) [2024-11-27 20:31:06,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:31:06,538 INFO L93 Difference]: Finished difference Result 15729 states and 23569 transitions. [2024-11-27 20:31:06,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-27 20:31:06,538 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, (54), 2 states have call predecessors, (54), 4 states have return successors, (49), 6 states have call predecessors, (49), 6 states have call successors, (49) Word has length 389 [2024-11-27 20:31:06,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:31:06,582 INFO L225 Difference]: With dead ends: 15729 [2024-11-27 20:31:06,583 INFO L226 Difference]: Without dead ends: 8158 [2024-11-27 20:31:06,611 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2024-11-27 20:31:06,611 INFO L435 NwaCegarLoop]: 1472 mSDtfsCounter, 3 mSDsluCounter, 17615 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 19087 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-27 20:31:06,612 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 19087 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-27 20:31:06,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8158 states. [2024-11-27 20:31:07,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8158 to 8114. [2024-11-27 20:31:07,542 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) [2024-11-27 20:31:07,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8114 states to 8114 states and 12195 transitions. [2024-11-27 20:31:07,599 INFO L78 Accepts]: Start accepts. Automaton has 8114 states and 12195 transitions. Word has length 389 [2024-11-27 20:31:07,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:31:07,599 INFO L471 AbstractCegarLoop]: Abstraction has 8114 states and 12195 transitions. [2024-11-27 20:31:07,599 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, (54), 2 states have call predecessors, (54), 4 states have return successors, (49), 6 states have call predecessors, (49), 6 states have call successors, (49) [2024-11-27 20:31:07,599 INFO L276 IsEmpty]: Start isEmpty. Operand 8114 states and 12195 transitions. [2024-11-27 20:31:07,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2024-11-27 20:31:07,604 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:31:07,604 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] [2024-11-27 20:31:07,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 20:31:07,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-11-27 20:31:07,805 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)] === [2024-11-27 20:31:07,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:07,805 INFO L85 PathProgramCache]: Analyzing trace with hash -1281130330, now seen corresponding path program 1 times [2024-11-27 20:31:07,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:31:07,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868717609] [2024-11-27 20:31:07,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:07,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:31:21,937 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2024-11-27 20:31:21,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:31:21,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868717609] [2024-11-27 20:31:21,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868717609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:31:21,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:31:21,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-27 20:31:21,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924214266] [2024-11-27 20:31:21,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:31:21,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-27 20:31:21,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:31:21,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-27 20:31:21,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2024-11-27 20:31:21,940 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) [2024-11-27 20:31:25,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:31:30,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:31:34,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:31:38,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 20:31:46,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 20:31:46,911 INFO L93 Difference]: Finished difference Result 15166 states and 22750 transitions. [2024-11-27 20:31:46,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-27 20:31:46,912 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 [2024-11-27 20:31:46,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 20:31:46,971 INFO L225 Difference]: With dead ends: 15166 [2024-11-27 20:31:46,972 INFO L226 Difference]: Without dead ends: 8172 [2024-11-27 20:31:47,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2024-11-27 20:31:47,021 INFO L435 NwaCegarLoop]: 1477 mSDtfsCounter, 15 mSDsluCounter, 21756 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 23233 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.6s IncrementalHoareTripleChecker+Time [2024-11-27 20:31:47,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 23233 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 714 Invalid, 4 Unknown, 0 Unchecked, 23.6s Time] [2024-11-27 20:31:47,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8172 states. [2024-11-27 20:31:48,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8172 to 8124. [2024-11-27 20:31:48,393 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) [2024-11-27 20:31:48,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8124 states to 8124 states and 12211 transitions. [2024-11-27 20:31:48,454 INFO L78 Accepts]: Start accepts. Automaton has 8124 states and 12211 transitions. Word has length 359 [2024-11-27 20:31:48,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 20:31:48,454 INFO L471 AbstractCegarLoop]: Abstraction has 8124 states and 12211 transitions. [2024-11-27 20:31:48,455 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) [2024-11-27 20:31:48,455 INFO L276 IsEmpty]: Start isEmpty. Operand 8124 states and 12211 transitions. [2024-11-27 20:31:48,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-11-27 20:31:48,459 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 20:31:48,460 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] [2024-11-27 20:31:48,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-27 20:31:48,460 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)] === [2024-11-27 20:31:48,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:31:48,460 INFO L85 PathProgramCache]: Analyzing trace with hash -624322110, now seen corresponding path program 1 times [2024-11-27 20:31:48,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:31:48,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089853752] [2024-11-27 20:31:48,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:48,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:31:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-27 20:31:53,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1231898872] [2024-11-27 20:31:53,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:31:53,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 20:31:53,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:31:53,352 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 20:31:53,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5472161-2716-4839-a14d-d1127dbdb5bc/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process