./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--media--rc--lirc_dev.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_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/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_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/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_2fb53a6b-23db-4b38-9162-8ef137927857/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 3d3a237f417c4896d74fe5b2538ff171dc0813148376ba212e5418e07390cf6b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 23:15:27,116 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 23:15:27,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-27 23:15:27,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 23:15:27,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 23:15:27,270 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 23:15:27,270 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 23:15:27,271 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 23:15:27,272 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-27 23:15:27,272 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-27 23:15:27,274 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 23:15:27,274 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 23:15:27,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 23:15:27,275 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 23:15:27,275 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 23:15:27,275 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 23:15:27,276 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 23:15:27,276 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 23:15:27,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 23:15:27,276 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 23:15:27,276 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 23:15:27,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 23:15:27,277 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 23:15:27,277 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 23:15:27,277 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 23:15:27,277 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 23:15:27,277 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:15:27,277 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:15:27,278 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:15:27,278 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:15:27,278 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 23:15:27,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 23:15:27,279 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-27 23:15:27,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 23:15:27,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:15:27,280 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 23:15:27,280 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 23:15:27,280 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 23:15:27,280 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 23:15:27,280 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 23:15:27,280 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 23:15:27,280 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 23:15:27,280 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 23:15:27,280 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 23:15:27,280 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 23:15:27,281 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_2fb53a6b-23db-4b38-9162-8ef137927857/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 -> 3d3a237f417c4896d74fe5b2538ff171dc0813148376ba212e5418e07390cf6b [2024-11-27 23:15:27,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 23:15:27,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 23:15:27,651 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 23:15:27,653 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 23:15:27,653 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 23:15:27,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i [2024-11-27 23:15:30,858 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/data/b9523ac83/3f955cad50be487c8c795c86c5d57567/FLAGc5758c9d1 [2024-11-27 23:15:31,662 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 23:15:31,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i [2024-11-27 23:15:31,743 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/data/b9523ac83/3f955cad50be487c8c795c86c5d57567/FLAGc5758c9d1 [2024-11-27 23:15:31,761 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/data/b9523ac83/3f955cad50be487c8c795c86c5d57567 [2024-11-27 23:15:31,763 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 23:15:31,765 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 23:15:31,767 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 23:15:31,767 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 23:15:31,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 23:15:31,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:15:31" (1/1) ... [2024-11-27 23:15:31,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56aedf62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:31, skipping insertion in model container [2024-11-27 23:15:31,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:15:31" (1/1) ... [2024-11-27 23:15:31,938 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 23:15:34,748 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292064,292077] [2024-11-27 23:15:34,753 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292209,292222] [2024-11-27 23:15:34,753 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292355,292368] [2024-11-27 23:15:34,754 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292520,292533] [2024-11-27 23:15:34,755 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292678,292691] [2024-11-27 23:15:34,756 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292836,292849] [2024-11-27 23:15:34,757 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292994,293007] [2024-11-27 23:15:34,757 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293154,293167] [2024-11-27 23:15:34,757 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293313,293326] [2024-11-27 23:15:34,759 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293452,293465] [2024-11-27 23:15:34,759 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293594,293607] [2024-11-27 23:15:34,760 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293743,293756] [2024-11-27 23:15:34,760 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293882,293895] [2024-11-27 23:15:34,760 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294037,294050] [2024-11-27 23:15:34,761 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294197,294210] [2024-11-27 23:15:34,765 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294348,294361] [2024-11-27 23:15:34,766 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294499,294512] [2024-11-27 23:15:34,766 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294651,294664] [2024-11-27 23:15:34,767 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294800,294813] [2024-11-27 23:15:34,767 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294948,294961] [2024-11-27 23:15:34,767 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295105,295118] [2024-11-27 23:15:34,768 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295254,295267] [2024-11-27 23:15:34,768 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295410,295423] [2024-11-27 23:15:34,768 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295563,295576] [2024-11-27 23:15:34,769 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295709,295722] [2024-11-27 23:15:34,769 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295852,295865] [2024-11-27 23:15:34,769 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296004,296017] [2024-11-27 23:15:34,770 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296150,296163] [2024-11-27 23:15:34,772 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296295,296308] [2024-11-27 23:15:34,774 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296449,296462] [2024-11-27 23:15:34,774 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296600,296613] [2024-11-27 23:15:34,775 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296755,296768] [2024-11-27 23:15:34,776 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296907,296920] [2024-11-27 23:15:34,777 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297062,297075] [2024-11-27 23:15:34,781 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297226,297239] [2024-11-27 23:15:34,816 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297382,297395] [2024-11-27 23:15:34,816 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297546,297559] [2024-11-27 23:15:34,816 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297688,297701] [2024-11-27 23:15:34,817 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297846,297859] [2024-11-27 23:15:34,817 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298013,298026] [2024-11-27 23:15:34,817 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298172,298185] [2024-11-27 23:15:34,817 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298331,298344] [2024-11-27 23:15:34,818 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298480,298493] [2024-11-27 23:15:34,818 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298627,298640] [2024-11-27 23:15:34,818 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298766,298779] [2024-11-27 23:15:34,819 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298929,298942] [2024-11-27 23:15:34,819 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299095,299108] [2024-11-27 23:15:34,820 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299259,299272] [2024-11-27 23:15:34,820 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299424,299437] [2024-11-27 23:15:34,820 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299589,299602] [2024-11-27 23:15:34,821 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299755,299768] [2024-11-27 23:15:34,821 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299920,299933] [2024-11-27 23:15:34,821 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300087,300100] [2024-11-27 23:15:34,822 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300247,300260] [2024-11-27 23:15:34,822 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300409,300422] [2024-11-27 23:15:34,823 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300568,300581] [2024-11-27 23:15:34,823 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300714,300727] [2024-11-27 23:15:34,823 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300857,300870] [2024-11-27 23:15:34,824 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301001,301014] [2024-11-27 23:15:34,824 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301144,301157] [2024-11-27 23:15:34,824 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301288,301301] [2024-11-27 23:15:34,825 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301429,301442] [2024-11-27 23:15:34,825 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301567,301580] [2024-11-27 23:15:34,825 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301725,301738] [2024-11-27 23:15:34,826 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301884,301897] [2024-11-27 23:15:34,826 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302040,302053] [2024-11-27 23:15:34,826 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302189,302202] [2024-11-27 23:15:34,827 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302341,302354] [2024-11-27 23:15:34,827 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302492,302505] [2024-11-27 23:15:34,827 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302641,302654] [2024-11-27 23:15:34,828 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302793,302806] [2024-11-27 23:15:34,828 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302941,302954] [2024-11-27 23:15:34,828 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303094,303107] [2024-11-27 23:15:34,829 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303245,303258] [2024-11-27 23:15:34,829 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303395,303408] [2024-11-27 23:15:34,829 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303542,303555] [2024-11-27 23:15:34,830 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303693,303706] [2024-11-27 23:15:34,830 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303844,303857] [2024-11-27 23:15:34,830 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303992,304005] [2024-11-27 23:15:34,831 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304158,304171] [2024-11-27 23:15:34,831 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304327,304340] [2024-11-27 23:15:34,831 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304494,304507] [2024-11-27 23:15:34,832 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304662,304675] [2024-11-27 23:15:34,832 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304812,304825] [2024-11-27 23:15:34,832 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304959,304972] [2024-11-27 23:15:34,833 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[305120,305133] [2024-11-27 23:15:34,833 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[305290,305303] [2024-11-27 23:15:34,833 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[305452,305465] [2024-11-27 23:15:34,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:15:34,902 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 23:15:35,052 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)); [4120-4121] [2024-11-27 23:15:35,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4154] [2024-11-27 23:15:35,055 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4157] [2024-11-27 23:15:35,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4160] [2024-11-27 23:15:35,056 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4163] [2024-11-27 23:15:35,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [4693-4694] [2024-11-27 23:15:35,093 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [4700-4701] [2024-11-27 23:15:35,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [4707-4708] [2024-11-27 23:15:35,094 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [4714-4715] [2024-11-27 23:15:35,098 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___8->state): : "memory", "cc"); [4773-4774] [2024-11-27 23:15:35,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [4780-4781] [2024-11-27 23:15:35,099 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); [4787-4788] [2024-11-27 23:15:35,100 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___11->state): : "memory", "cc"); [4794-4795] [2024-11-27 23:15:35,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" ((__u32 *)arg): "ebx"); [5720] [2024-11-27 23:15:35,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" ((__u32 *)arg): "ebx"); [5723] [2024-11-27 23:15:35,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" ((__u32 *)arg): "ebx"); [5726] [2024-11-27 23:15:35,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" ((__u32 *)arg): "ebx"); [5729] [2024-11-27 23:15:35,177 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" ((__u32 *)arg): "ebx"); [5732] [2024-11-27 23:15:35,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((__u32 *)arg): "ebx"); [5768-5769] [2024-11-27 23:15:35,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((__u32 *)arg): "ebx"); [5772-5773] [2024-11-27 23:15:35,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((__u32 *)arg): "ebx"); [5776-5777] [2024-11-27 23:15:35,178 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((__u32 *)arg): "ebx"); [5780-5781] [2024-11-27 23:15:35,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___0): "0" (__pu_val___0), "c" ((__u32 *)arg): "ebx"); [5784-5785] [2024-11-27 23:15:35,179 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __get_user_%P3": "=a" (__ret_gu), "=r" (__val_gu): "0" ((__u32 *)arg), "i" (4UL)); [5800-5801] [2024-11-27 23:15:35,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((__u32 *)arg): "ebx"); [5834-5835] [2024-11-27 23:15:35,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((__u32 *)arg): "ebx"); [5838-5839] [2024-11-27 23:15:35,181 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((__u32 *)arg): "ebx"); [5842-5843] [2024-11-27 23:15:35,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((__u32 *)arg): "ebx"); [5846-5847] [2024-11-27 23:15:35,182 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___1): "0" (__pu_val___1), "c" ((__u32 *)arg): "ebx"); [5850-5851] [2024-11-27 23:15:35,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((__u32 *)arg): "ebx"); [5887-5888] [2024-11-27 23:15:35,184 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((__u32 *)arg): "ebx"); [5891-5892] [2024-11-27 23:15:35,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((__u32 *)arg): "ebx"); [5895-5896] [2024-11-27 23:15:35,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((__u32 *)arg): "ebx"); [5899-5900] [2024-11-27 23:15:35,186 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___2): "0" (__pu_val___2), "c" ((__u32 *)arg): "ebx"); [5903-5904] [2024-11-27 23:15:35,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu___3): "0" (__pu_val___3), "c" ((__u32 *)arg): "ebx"); [5940-5941] [2024-11-27 23:15:35,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu___3): "0" (__pu_val___3), "c" ((__u32 *)arg): "ebx"); [5944-5945] [2024-11-27 23:15:35,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu___3): "0" (__pu_val___3), "c" ((__u32 *)arg): "ebx"); [5948-5949] [2024-11-27 23:15:35,188 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu___3): "0" (__pu_val___3), "c" ((__u32 *)arg): "ebx"); [5952-5953] [2024-11-27 23:15:35,189 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu___3): "0" (__pu_val___3), "c" ((__u32 *)arg): "ebx"); [5956-5957] [2024-11-27 23:15:35,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___6->state): : "memory", "cc"); [6134-6135] [2024-11-27 23:15:35,201 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___7->state): : "memory", "cc"); [6141-6142] [2024-11-27 23:15:35,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___8->state): : "memory", "cc"); [6148-6149] [2024-11-27 23:15:35,202 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___9->state): : "memory", "cc"); [6155-6156] [2024-11-27 23:15:35,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___13->state): : "memory", "cc"); [6218-6219] [2024-11-27 23:15:35,204 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___14->state): : "memory", "cc"); [6225-6226] [2024-11-27 23:15:35,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___15->state): : "memory", "cc"); [6232-6233] [2024-11-27 23:15:35,205 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___16->state): : "memory", "cc"); [6239-6240] [2024-11-27 23:15:35,206 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___18->state): : "memory", "cc"); [6282-6283] [2024-11-27 23:15:35,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___19->state): : "memory", "cc"); [6289-6290] [2024-11-27 23:15:35,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___20->state): : "memory", "cc"); [6296-6297] [2024-11-27 23:15:35,207 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___21->state): : "memory", "cc"); [6303-6304] [2024-11-27 23:15:35,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___2), "+m" (tmp___26->state): : "memory", "cc"); [6368-6369] [2024-11-27 23:15:35,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___2), "+m" (tmp___27->state): : "memory", "cc"); [6375-6376] [2024-11-27 23:15:35,211 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___2), "+m" (tmp___28->state): : "memory", "cc"); [6382-6383] [2024-11-27 23:15:35,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___2), "+m" (tmp___29->state): : "memory", "cc"); [6389-6390] [2024-11-27 23:15:35,329 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292064,292077] [2024-11-27 23:15:35,330 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292209,292222] [2024-11-27 23:15:35,330 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292355,292368] [2024-11-27 23:15:35,331 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292520,292533] [2024-11-27 23:15:35,331 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292678,292691] [2024-11-27 23:15:35,332 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292836,292849] [2024-11-27 23:15:35,332 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[292994,293007] [2024-11-27 23:15:35,332 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293154,293167] [2024-11-27 23:15:35,333 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293313,293326] [2024-11-27 23:15:35,334 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293452,293465] [2024-11-27 23:15:35,335 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293594,293607] [2024-11-27 23:15:35,335 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293743,293756] [2024-11-27 23:15:35,335 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[293882,293895] [2024-11-27 23:15:35,336 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294037,294050] [2024-11-27 23:15:35,337 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294197,294210] [2024-11-27 23:15:35,337 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294348,294361] [2024-11-27 23:15:35,338 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294499,294512] [2024-11-27 23:15:35,338 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294651,294664] [2024-11-27 23:15:35,339 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294800,294813] [2024-11-27 23:15:35,340 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[294948,294961] [2024-11-27 23:15:35,340 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295105,295118] [2024-11-27 23:15:35,341 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295254,295267] [2024-11-27 23:15:35,341 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295410,295423] [2024-11-27 23:15:35,343 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295563,295576] [2024-11-27 23:15:35,344 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295709,295722] [2024-11-27 23:15:35,344 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[295852,295865] [2024-11-27 23:15:35,345 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296004,296017] [2024-11-27 23:15:35,345 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296150,296163] [2024-11-27 23:15:35,345 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296295,296308] [2024-11-27 23:15:35,346 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296449,296462] [2024-11-27 23:15:35,346 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296600,296613] [2024-11-27 23:15:35,346 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296755,296768] [2024-11-27 23:15:35,347 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[296907,296920] [2024-11-27 23:15:35,347 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297062,297075] [2024-11-27 23:15:35,348 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297226,297239] [2024-11-27 23:15:35,348 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297382,297395] [2024-11-27 23:15:35,348 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297546,297559] [2024-11-27 23:15:35,349 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297688,297701] [2024-11-27 23:15:35,349 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[297846,297859] [2024-11-27 23:15:35,349 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298013,298026] [2024-11-27 23:15:35,350 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298172,298185] [2024-11-27 23:15:35,350 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298331,298344] [2024-11-27 23:15:35,350 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298480,298493] [2024-11-27 23:15:35,351 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298627,298640] [2024-11-27 23:15:35,354 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298766,298779] [2024-11-27 23:15:35,355 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[298929,298942] [2024-11-27 23:15:35,356 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299095,299108] [2024-11-27 23:15:35,359 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299259,299272] [2024-11-27 23:15:35,360 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299424,299437] [2024-11-27 23:15:35,360 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299589,299602] [2024-11-27 23:15:35,361 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299755,299768] [2024-11-27 23:15:35,361 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[299920,299933] [2024-11-27 23:15:35,362 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300087,300100] [2024-11-27 23:15:35,362 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300247,300260] [2024-11-27 23:15:35,362 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300409,300422] [2024-11-27 23:15:35,362 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300568,300581] [2024-11-27 23:15:35,363 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300714,300727] [2024-11-27 23:15:35,363 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[300857,300870] [2024-11-27 23:15:35,363 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301001,301014] [2024-11-27 23:15:35,364 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301144,301157] [2024-11-27 23:15:35,365 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301288,301301] [2024-11-27 23:15:35,369 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301429,301442] [2024-11-27 23:15:35,369 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301567,301580] [2024-11-27 23:15:35,370 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301725,301738] [2024-11-27 23:15:35,370 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[301884,301897] [2024-11-27 23:15:35,371 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302040,302053] [2024-11-27 23:15:35,371 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302189,302202] [2024-11-27 23:15:35,371 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302341,302354] [2024-11-27 23:15:35,372 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302492,302505] [2024-11-27 23:15:35,372 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302641,302654] [2024-11-27 23:15:35,372 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302793,302806] [2024-11-27 23:15:35,373 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[302941,302954] [2024-11-27 23:15:35,373 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303094,303107] [2024-11-27 23:15:35,373 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303245,303258] [2024-11-27 23:15:35,374 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303395,303408] [2024-11-27 23:15:35,374 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303542,303555] [2024-11-27 23:15:35,374 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303693,303706] [2024-11-27 23:15:35,375 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303844,303857] [2024-11-27 23:15:35,375 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[303992,304005] [2024-11-27 23:15:35,379 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304158,304171] [2024-11-27 23:15:35,380 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304327,304340] [2024-11-27 23:15:35,380 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304494,304507] [2024-11-27 23:15:35,381 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304662,304675] [2024-11-27 23:15:35,383 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304812,304825] [2024-11-27 23:15:35,383 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[304959,304972] [2024-11-27 23:15:35,384 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[305120,305133] [2024-11-27 23:15:35,386 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[305290,305303] [2024-11-27 23:15:35,387 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i[305452,305465] [2024-11-27 23:15:35,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 23:15:35,620 INFO L204 MainTranslator]: Completed translation [2024-11-27 23:15:35,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:35 WrapperNode [2024-11-27 23:15:35,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 23:15:35,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 23:15:35,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 23:15:35,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 23:15:35,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:35" (1/1) ... [2024-11-27 23:15:35,724 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:35" (1/1) ... [2024-11-27 23:15:35,814 INFO L138 Inliner]: procedures = 521, calls = 1817, calls flagged for inlining = 211, calls inlined = 55, statements flattened = 961 [2024-11-27 23:15:35,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 23:15:35,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 23:15:35,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 23:15:35,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 23:15:35,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:35" (1/1) ... [2024-11-27 23:15:35,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:35" (1/1) ... [2024-11-27 23:15:35,839 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:35" (1/1) ... [2024-11-27 23:15:35,885 INFO L175 MemorySlicer]: Split 273 memory accesses to 12 slices as follows [179, 0, 1, 2, 7, 7, 7, 23, 3, 5, 8, 31]. 66 percent of accesses are in the largest equivalence class. The 38 initializations are split as follows [0, 0, 1, 2, 7, 7, 7, 0, 1, 5, 8, 0]. The 233 writes are split as follows [179, 0, 0, 0, 0, 0, 0, 23, 0, 0, 0, 31]. [2024-11-27 23:15:35,889 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:35" (1/1) ... [2024-11-27 23:15:35,889 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:35" (1/1) ... [2024-11-27 23:15:35,924 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:35" (1/1) ... [2024-11-27 23:15:35,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:35" (1/1) ... [2024-11-27 23:15:35,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:35" (1/1) ... [2024-11-27 23:15:35,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:35" (1/1) ... [2024-11-27 23:15:35,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:35" (1/1) ... [2024-11-27 23:15:35,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 23:15:35,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 23:15:35,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 23:15:35,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 23:15:35,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:35" (1/1) ... [2024-11-27 23:15:35,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 23:15:36,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:15:36,027 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 23:15:36,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 23:15:36,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2024-11-27 23:15:36,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2024-11-27 23:15:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2024-11-27 23:15:36,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2024-11-27 23:15:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2024-11-27 23:15:36,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2024-11-27 23:15:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-27 23:15:36,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-27 23:15:36,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-27 23:15:36,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-27 23:15:36,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2024-11-27 23:15:36,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2024-11-27 23:15:36,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2024-11-27 23:15:36,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2024-11-27 23:15:36,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-27 23:15:36,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-27 23:15:36,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2024-11-27 23:15:36,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2024-11-27 23:15:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2024-11-27 23:15:36,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2024-11-27 23:15:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-27 23:15:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-27 23:15:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-27 23:15:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-27 23:15:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-27 23:15:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-27 23:15:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-27 23:15:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-27 23:15:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-27 23:15:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-27 23:15:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-27 23:15:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-27 23:15:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-27 23:15:36,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-27 23:15:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-27 23:15:36,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-27 23:15:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-27 23:15:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-27 23:15:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-27 23:15:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-27 23:15:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-27 23:15:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-27 23:15:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-27 23:15:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-27 23:15:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-27 23:15:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-27 23:15:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-27 23:15:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-27 23:15:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2024-11-27 23:15:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2024-11-27 23:15:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2024-11-27 23:15:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2024-11-27 23:15:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2024-11-27 23:15:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2024-11-27 23:15:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2024-11-27 23:15:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2024-11-27 23:15:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-27 23:15:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-27 23:15:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 23:15:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 23:15:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-27 23:15:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-27 23:15:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2024-11-27 23:15:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2024-11-27 23:15:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 23:15:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 23:15:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2024-11-27 23:15:36,079 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2024-11-27 23:15:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-27 23:15:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-27 23:15:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-27 23:15:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-27 23:15:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-27 23:15:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-27 23:15:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-27 23:15:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-27 23:15:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-27 23:15:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-27 23:15:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-27 23:15:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-27 23:15:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-27 23:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-27 23:15:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2024-11-27 23:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2024-11-27 23:15:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2024-11-27 23:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2024-11-27 23:15:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2024-11-27 23:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2024-11-27 23:15:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-27 23:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-27 23:15:36,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2024-11-27 23:15:36,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2024-11-27 23:15:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2024-11-27 23:15:36,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2024-11-27 23:15:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-27 23:15:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-27 23:15:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-27 23:15:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-27 23:15:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-27 23:15:36,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-27 23:15:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-27 23:15:36,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-27 23:15:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-27 23:15:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-27 23:15:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-27 23:15:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-27 23:15:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-27 23:15:36,087 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-27 23:15:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-27 23:15:36,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-27 23:15:36,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-27 23:15:36,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-27 23:15:36,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-27 23:15:36,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-27 23:15:36,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2024-11-27 23:15:36,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2024-11-27 23:15:36,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-27 23:15:36,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-27 23:15:36,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-27 23:15:36,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-27 23:15:36,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-27 23:15:36,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-27 23:15:36,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-27 23:15:36,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-27 23:15:36,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-27 23:15:36,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-27 23:15:36,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-27 23:15:36,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-27 23:15:36,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-27 23:15:36,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-27 23:15:36,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-27 23:15:36,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-27 23:15:36,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-27 23:15:36,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-27 23:15:36,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-27 23:15:36,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-27 23:15:36,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-27 23:15:36,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-27 23:15:36,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2024-11-27 23:15:36,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2024-11-27 23:15:36,529 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 23:15:36,534 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 23:15:36,618 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-27 23:15:43,745 INFO L? ?]: Removed 230 outVars from TransFormulas that were not future-live. [2024-11-27 23:15:43,746 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 23:15:43,767 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 23:15:43,767 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-27 23:15:43,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:15:43 BoogieIcfgContainer [2024-11-27 23:15:43,768 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 23:15:43,770 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 23:15:43,770 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 23:15:43,777 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 23:15:43,777 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:15:31" (1/3) ... [2024-11-27 23:15:43,778 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e24cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:15:43, skipping insertion in model container [2024-11-27 23:15:43,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:15:35" (2/3) ... [2024-11-27 23:15:43,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e24cb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:15:43, skipping insertion in model container [2024-11-27 23:15:43,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:15:43" (3/3) ... [2024-11-27 23:15:43,784 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i [2024-11-27 23:15:43,802 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 23:15:43,806 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.0-rc1---drivers--media--rc--lirc_dev.ko.cil.i that has 39 procedures, 386 locations, 1 initial locations, 0 loop locations, and 29 error locations. [2024-11-27 23:15:43,897 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 23:15:43,914 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;@3b9571e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 23:15:43,915 INFO L334 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2024-11-27 23:15:43,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 385 states, 237 states have (on average 1.2995780590717299) internal successors, (308), 269 states have internal predecessors, (308), 81 states have call successors, (81), 38 states have call predecessors, (81), 37 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-27 23:15:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-27 23:15:43,931 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:15:43,932 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 23:15:43,935 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:15:43,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:15:43,944 INFO L85 PathProgramCache]: Analyzing trace with hash -286893802, now seen corresponding path program 1 times [2024-11-27 23:15:43,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:15:43,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [628019370] [2024-11-27 23:15:43,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:15:43,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:15:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:15:50,976 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-27 23:15:50,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:15:50,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [628019370] [2024-11-27 23:15:50,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [628019370] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:15:50,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:15:50,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:15:50,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586451640] [2024-11-27 23:15:50,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:15:50,987 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:15:50,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:15:51,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:15:51,013 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:15:51,018 INFO L87 Difference]: Start difference. First operand has 385 states, 237 states have (on average 1.2995780590717299) internal successors, (308), 269 states have internal predecessors, (308), 81 states have call successors, (81), 38 states have call predecessors, (81), 37 states have return successors, (79), 79 states have call predecessors, (79), 79 states have call successors, (79) Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:15:51,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:15:51,472 INFO L93 Difference]: Finished difference Result 1085 states and 1413 transitions. [2024-11-27 23:15:51,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:15:51,479 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 35 [2024-11-27 23:15:51,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:15:51,495 INFO L225 Difference]: With dead ends: 1085 [2024-11-27 23:15:51,495 INFO L226 Difference]: Without dead ends: 711 [2024-11-27 23:15:51,502 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:15:51,505 INFO L435 NwaCegarLoop]: 774 mSDtfsCounter, 423 mSDsluCounter, 1938 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 2712 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:15:51,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 2712 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:15:51,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-11-27 23:15:51,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 510. [2024-11-27 23:15:51,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 510 states, 322 states have (on average 1.170807453416149) internal successors, (377), 356 states have internal predecessors, (377), 109 states have call successors, (109), 52 states have call predecessors, (109), 51 states have return successors, (109), 105 states have call predecessors, (109), 107 states have call successors, (109) [2024-11-27 23:15:51,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 595 transitions. [2024-11-27 23:15:51,605 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 595 transitions. Word has length 35 [2024-11-27 23:15:51,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:15:51,606 INFO L471 AbstractCegarLoop]: Abstraction has 510 states and 595 transitions. [2024-11-27 23:15:51,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-27 23:15:51,606 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 595 transitions. [2024-11-27 23:15:51,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-27 23:15:51,608 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:15:51,609 INFO L218 NwaCegarLoop]: trace histogram [3, 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] [2024-11-27 23:15:51,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 23:15:51,609 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:15:51,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:15:51,610 INFO L85 PathProgramCache]: Analyzing trace with hash -310622318, now seen corresponding path program 1 times [2024-11-27 23:15:51,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:15:51,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645101562] [2024-11-27 23:15:51,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:15:51,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:15:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:15:57,449 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-27 23:15:57,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:15:57,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645101562] [2024-11-27 23:15:57,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645101562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:15:57,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:15:57,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:15:57,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026450531] [2024-11-27 23:15:57,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:15:57,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:15:57,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:15:57,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:15:57,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:15:57,453 INFO L87 Difference]: Start difference. First operand 510 states and 595 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:15:57,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:15:57,825 INFO L93 Difference]: Finished difference Result 510 states and 595 transitions. [2024-11-27 23:15:57,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:15:57,826 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 48 [2024-11-27 23:15:57,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:15:57,835 INFO L225 Difference]: With dead ends: 510 [2024-11-27 23:15:57,835 INFO L226 Difference]: Without dead ends: 508 [2024-11-27 23:15:57,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:15:57,837 INFO L435 NwaCegarLoop]: 413 mSDtfsCounter, 405 mSDsluCounter, 821 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:15:57,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 1234 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:15:57,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 508 states. [2024-11-27 23:15:57,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 508 to 508. [2024-11-27 23:15:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 321 states have (on average 1.1651090342679127) internal successors, (374), 354 states have internal predecessors, (374), 109 states have call successors, (109), 52 states have call predecessors, (109), 51 states have return successors, (109), 105 states have call predecessors, (109), 107 states have call successors, (109) [2024-11-27 23:15:57,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 592 transitions. [2024-11-27 23:15:57,884 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 592 transitions. Word has length 48 [2024-11-27 23:15:57,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:15:57,884 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 592 transitions. [2024-11-27 23:15:57,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-27 23:15:57,885 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 592 transitions. [2024-11-27 23:15:57,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-27 23:15:57,888 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:15:57,888 INFO L218 NwaCegarLoop]: trace histogram [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] [2024-11-27 23:15:57,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 23:15:57,888 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:15:57,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:15:57,889 INFO L85 PathProgramCache]: Analyzing trace with hash -317280162, now seen corresponding path program 1 times [2024-11-27 23:15:57,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:15:57,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648905121] [2024-11-27 23:15:57,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:15:57,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-27 23:16:02,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:02,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648905121] [2024-11-27 23:16:02,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648905121] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:02,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:16:02,654 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:16:02,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451084648] [2024-11-27 23:16:02,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:02,655 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:16:02,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:02,656 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:16:02,656 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:16:02,656 INFO L87 Difference]: Start difference. First operand 508 states and 592 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 23:16:03,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:03,012 INFO L93 Difference]: Finished difference Result 867 states and 987 transitions. [2024-11-27 23:16:03,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:16:03,013 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 86 [2024-11-27 23:16:03,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:03,022 INFO L225 Difference]: With dead ends: 867 [2024-11-27 23:16:03,023 INFO L226 Difference]: Without dead ends: 865 [2024-11-27 23:16:03,024 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:16:03,025 INFO L435 NwaCegarLoop]: 471 mSDtfsCounter, 389 mSDsluCounter, 1217 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 390 SdHoareTripleChecker+Valid, 1688 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:16:03,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [390 Valid, 1688 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:16:03,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2024-11-27 23:16:03,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 804. [2024-11-27 23:16:03,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 804 states, 518 states have (on average 1.1737451737451738) internal successors, (608), 556 states have internal predecessors, (608), 168 states have call successors, (168), 93 states have call predecessors, (168), 92 states have return successors, (170), 160 states have call predecessors, (170), 166 states have call successors, (170) [2024-11-27 23:16:03,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 946 transitions. [2024-11-27 23:16:03,117 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 946 transitions. Word has length 86 [2024-11-27 23:16:03,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:03,117 INFO L471 AbstractCegarLoop]: Abstraction has 804 states and 946 transitions. [2024-11-27 23:16:03,118 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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 23:16:03,119 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 946 transitions. [2024-11-27 23:16:03,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-27 23:16:03,126 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:03,127 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:16:03,127 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 23:16:03,127 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:16:03,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:03,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1751730157, now seen corresponding path program 1 times [2024-11-27 23:16:03,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:03,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465067842] [2024-11-27 23:16:03,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:03,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:07,823 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-11-27 23:16:07,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:07,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465067842] [2024-11-27 23:16:07,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465067842] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:07,824 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:16:07,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 23:16:07,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474639752] [2024-11-27 23:16:07,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:07,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-27 23:16:07,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:07,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-27 23:16:07,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:16:07,826 INFO L87 Difference]: Start difference. First operand 804 states and 946 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 23:16:08,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:08,180 INFO L93 Difference]: Finished difference Result 804 states and 946 transitions. [2024-11-27 23:16:08,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-27 23:16:08,180 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 105 [2024-11-27 23:16:08,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:08,188 INFO L225 Difference]: With dead ends: 804 [2024-11-27 23:16:08,188 INFO L226 Difference]: Without dead ends: 802 [2024-11-27 23:16:08,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:16:08,190 INFO L435 NwaCegarLoop]: 409 mSDtfsCounter, 384 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 385 SdHoareTripleChecker+Valid, 1222 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-27 23:16:08,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [385 Valid, 1222 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-27 23:16:08,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2024-11-27 23:16:08,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 802. [2024-11-27 23:16:08,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 517 states have (on average 1.1663442940038684) internal successors, (603), 554 states have internal predecessors, (603), 168 states have call successors, (168), 93 states have call predecessors, (168), 92 states have return successors, (170), 160 states have call predecessors, (170), 166 states have call successors, (170) [2024-11-27 23:16:08,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 941 transitions. [2024-11-27 23:16:08,282 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 941 transitions. Word has length 105 [2024-11-27 23:16:08,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:08,283 INFO L471 AbstractCegarLoop]: Abstraction has 802 states and 941 transitions. [2024-11-27 23:16:08,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 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 23:16:08,284 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 941 transitions. [2024-11-27 23:16:08,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-27 23:16:08,292 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:08,292 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-27 23:16:08,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 23:16:08,292 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:16:08,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:08,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1593187649, now seen corresponding path program 1 times [2024-11-27 23:16:08,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:08,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226032059] [2024-11-27 23:16:08,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:08,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:12,683 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-27 23:16:12,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:12,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226032059] [2024-11-27 23:16:12,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226032059] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:12,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:16:12,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:16:12,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950286817] [2024-11-27 23:16:12,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:12,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:16:12,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:12,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:16:12,688 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:16:12,688 INFO L87 Difference]: Start difference. First operand 802 states and 941 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 23:16:12,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:12,829 INFO L93 Difference]: Finished difference Result 802 states and 941 transitions. [2024-11-27 23:16:12,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:16:12,829 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 112 [2024-11-27 23:16:12,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:12,836 INFO L225 Difference]: With dead ends: 802 [2024-11-27 23:16:12,836 INFO L226 Difference]: Without dead ends: 800 [2024-11-27 23:16:12,837 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 23:16:12,838 INFO L435 NwaCegarLoop]: 412 mSDtfsCounter, 369 mSDsluCounter, 411 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 823 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 23:16:12,840 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 823 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:16:12,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2024-11-27 23:16:12,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 800. [2024-11-27 23:16:12,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 516 states have (on average 1.1627906976744187) internal successors, (600), 552 states have internal predecessors, (600), 168 states have call successors, (168), 93 states have call predecessors, (168), 92 states have return successors, (170), 160 states have call predecessors, (170), 166 states have call successors, (170) [2024-11-27 23:16:12,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 938 transitions. [2024-11-27 23:16:12,917 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 938 transitions. Word has length 112 [2024-11-27 23:16:12,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:12,918 INFO L471 AbstractCegarLoop]: Abstraction has 800 states and 938 transitions. [2024-11-27 23:16:12,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 23:16:12,919 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 938 transitions. [2024-11-27 23:16:12,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-27 23:16:12,923 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:12,923 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-27 23:16:12,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 23:16:12,924 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:16:12,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:12,925 INFO L85 PathProgramCache]: Analyzing trace with hash 1590651818, now seen corresponding path program 1 times [2024-11-27 23:16:12,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:12,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798597205] [2024-11-27 23:16:12,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:12,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:20,838 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-27 23:16:20,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:20,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798597205] [2024-11-27 23:16:20,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798597205] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:20,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:16:20,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-27 23:16:20,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857495243] [2024-11-27 23:16:20,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:20,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:16:20,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:20,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:16:20,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:16:20,845 INFO L87 Difference]: Start difference. First operand 800 states and 938 transitions. Second operand has 12 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 6 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-27 23:16:23,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:23,716 INFO L93 Difference]: Finished difference Result 1867 states and 2161 transitions. [2024-11-27 23:16:23,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:16:23,716 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 6 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18) Word has length 119 [2024-11-27 23:16:23,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:23,726 INFO L225 Difference]: With dead ends: 1867 [2024-11-27 23:16:23,726 INFO L226 Difference]: Without dead ends: 1589 [2024-11-27 23:16:23,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2024-11-27 23:16:23,731 INFO L435 NwaCegarLoop]: 397 mSDtfsCounter, 415 mSDsluCounter, 3911 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 4308 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:16:23,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 4308 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-27 23:16:23,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2024-11-27 23:16:23,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1066. [2024-11-27 23:16:23,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1066 states, 695 states have (on average 1.1568345323741007) internal successors, (804), 740 states have internal predecessors, (804), 225 states have call successors, (225), 122 states have call predecessors, (225), 122 states have return successors, (226), 213 states have call predecessors, (226), 223 states have call successors, (226) [2024-11-27 23:16:23,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1255 transitions. [2024-11-27 23:16:23,836 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1255 transitions. Word has length 119 [2024-11-27 23:16:23,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:23,836 INFO L471 AbstractCegarLoop]: Abstraction has 1066 states and 1255 transitions. [2024-11-27 23:16:23,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.545454545454546) internal successors, (61), 10 states have internal predecessors, (61), 6 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18) [2024-11-27 23:16:23,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1255 transitions. [2024-11-27 23:16:23,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-27 23:16:23,841 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:23,841 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:16:23,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 23:16:23,842 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:16:23,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:23,842 INFO L85 PathProgramCache]: Analyzing trace with hash -333714149, now seen corresponding path program 1 times [2024-11-27 23:16:23,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:23,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222679604] [2024-11-27 23:16:23,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:23,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:27,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:30,975 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-27 23:16:30,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:30,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222679604] [2024-11-27 23:16:30,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222679604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:30,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:16:30,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-27 23:16:30,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [381996892] [2024-11-27 23:16:30,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:30,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-27 23:16:30,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:30,977 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-27 23:16:30,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-27 23:16:30,978 INFO L87 Difference]: Start difference. First operand 1066 states and 1255 transitions. Second operand has 12 states, 11 states have (on average 5.0) internal successors, (55), 10 states have internal predecessors, (55), 6 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-27 23:16:33,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:33,689 INFO L93 Difference]: Finished difference Result 1948 states and 2238 transitions. [2024-11-27 23:16:33,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-27 23:16:33,690 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 10 states have internal predecessors, (55), 6 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) Word has length 122 [2024-11-27 23:16:33,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:33,698 INFO L225 Difference]: With dead ends: 1948 [2024-11-27 23:16:33,698 INFO L226 Difference]: Without dead ends: 1354 [2024-11-27 23:16:33,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2024-11-27 23:16:33,702 INFO L435 NwaCegarLoop]: 394 mSDtfsCounter, 411 mSDsluCounter, 3889 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 412 SdHoareTripleChecker+Valid, 4283 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-27 23:16:33,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [412 Valid, 4283 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-27 23:16:33,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1354 states. [2024-11-27 23:16:33,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1354 to 1048. [2024-11-27 23:16:33,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1048 states, 681 states have (on average 1.145374449339207) internal successors, (780), 726 states have internal predecessors, (780), 221 states have call successors, (221), 122 states have call predecessors, (221), 122 states have return successors, (220), 209 states have call predecessors, (220), 219 states have call successors, (220) [2024-11-27 23:16:33,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1221 transitions. [2024-11-27 23:16:33,795 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1221 transitions. Word has length 122 [2024-11-27 23:16:33,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:33,796 INFO L471 AbstractCegarLoop]: Abstraction has 1048 states and 1221 transitions. [2024-11-27 23:16:33,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.0) internal successors, (55), 10 states have internal predecessors, (55), 6 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-27 23:16:33,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1221 transitions. [2024-11-27 23:16:33,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-27 23:16:33,803 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:33,803 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-27 23:16:33,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-27 23:16:33,803 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:16:33,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:33,804 INFO L85 PathProgramCache]: Analyzing trace with hash 685040709, now seen corresponding path program 1 times [2024-11-27 23:16:33,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:33,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397070117] [2024-11-27 23:16:33,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:33,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:37,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:38,270 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-27 23:16:38,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:38,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397070117] [2024-11-27 23:16:38,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397070117] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:38,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:16:38,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:16:38,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290351107] [2024-11-27 23:16:38,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:38,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:16:38,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:38,274 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:16:38,274 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:16:38,275 INFO L87 Difference]: Start difference. First operand 1048 states and 1221 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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 23:16:38,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:38,434 INFO L93 Difference]: Finished difference Result 1048 states and 1221 transitions. [2024-11-27 23:16:38,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:16:38,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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 118 [2024-11-27 23:16:38,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:38,443 INFO L225 Difference]: With dead ends: 1048 [2024-11-27 23:16:38,443 INFO L226 Difference]: Without dead ends: 1046 [2024-11-27 23:16:38,444 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 23:16:38,445 INFO L435 NwaCegarLoop]: 410 mSDtfsCounter, 366 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 819 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 23:16:38,445 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 819 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:16:38,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2024-11-27 23:16:38,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 1046. [2024-11-27 23:16:38,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1046 states, 680 states have (on average 1.1426470588235293) internal successors, (777), 724 states have internal predecessors, (777), 221 states have call successors, (221), 122 states have call predecessors, (221), 122 states have return successors, (220), 209 states have call predecessors, (220), 219 states have call successors, (220) [2024-11-27 23:16:38,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 1046 states and 1218 transitions. [2024-11-27 23:16:38,538 INFO L78 Accepts]: Start accepts. Automaton has 1046 states and 1218 transitions. Word has length 118 [2024-11-27 23:16:38,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:38,539 INFO L471 AbstractCegarLoop]: Abstraction has 1046 states and 1218 transitions. [2024-11-27 23:16:38,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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 23:16:38,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1218 transitions. [2024-11-27 23:16:38,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-27 23:16:38,544 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:38,544 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:16:38,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-27 23:16:38,546 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_usb_gadget_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:16:38,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:38,547 INFO L85 PathProgramCache]: Analyzing trace with hash -760522940, now seen corresponding path program 1 times [2024-11-27 23:16:38,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:38,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262765005] [2024-11-27 23:16:38,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:38,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:42,820 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-27 23:16:42,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:42,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262765005] [2024-11-27 23:16:42,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262765005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:42,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:16:42,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:16:42,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089876579] [2024-11-27 23:16:42,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:42,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:16:42,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:42,822 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:16:42,822 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:16:42,822 INFO L87 Difference]: Start difference. First operand 1046 states and 1218 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 23:16:43,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:43,114 INFO L93 Difference]: Finished difference Result 1046 states and 1218 transitions. [2024-11-27 23:16:43,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:16:43,115 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 127 [2024-11-27 23:16:43,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:43,125 INFO L225 Difference]: With dead ends: 1046 [2024-11-27 23:16:43,125 INFO L226 Difference]: Without dead ends: 1044 [2024-11-27 23:16:43,129 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 23:16:43,130 INFO L435 NwaCegarLoop]: 404 mSDtfsCounter, 364 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 805 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 23:16:43,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 805 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:16:43,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2024-11-27 23:16:43,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1044. [2024-11-27 23:16:43,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1044 states, 679 states have (on average 1.134020618556701) internal successors, (770), 722 states have internal predecessors, (770), 221 states have call successors, (221), 122 states have call predecessors, (221), 122 states have return successors, (220), 209 states have call predecessors, (220), 219 states have call successors, (220) [2024-11-27 23:16:43,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 1211 transitions. [2024-11-27 23:16:43,313 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 1211 transitions. Word has length 127 [2024-11-27 23:16:43,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:43,313 INFO L471 AbstractCegarLoop]: Abstraction has 1044 states and 1211 transitions. [2024-11-27 23:16:43,314 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 23:16:43,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1211 transitions. [2024-11-27 23:16:43,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-27 23:16:43,319 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:43,319 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-27 23:16:43,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-27 23:16:43,319 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:16:43,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:43,321 INFO L85 PathProgramCache]: Analyzing trace with hash 1956436707, now seen corresponding path program 1 times [2024-11-27 23:16:43,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:43,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92823188] [2024-11-27 23:16:43,321 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:43,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:16:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:16:53,137 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-27 23:16:53,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:16:53,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92823188] [2024-11-27 23:16:53,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92823188] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:16:53,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:16:53,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-27 23:16:53,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724726665] [2024-11-27 23:16:53,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:16:53,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 23:16:53,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:16:53,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 23:16:53,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2024-11-27 23:16:53,140 INFO L87 Difference]: Start difference. First operand 1044 states and 1211 transitions. Second operand has 15 states, 13 states have (on average 5.0) internal successors, (65), 12 states have internal predecessors, (65), 6 states have call successors, (19), 1 states have call predecessors, (19), 4 states have return successors, (19), 7 states have call predecessors, (19), 6 states have call successors, (19) [2024-11-27 23:16:57,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:16:57,180 INFO L93 Difference]: Finished difference Result 1663 states and 1894 transitions. [2024-11-27 23:16:57,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 23:16:57,180 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 13 states have (on average 5.0) internal successors, (65), 12 states have internal predecessors, (65), 6 states have call successors, (19), 1 states have call predecessors, (19), 4 states have return successors, (19), 7 states have call predecessors, (19), 6 states have call successors, (19) Word has length 122 [2024-11-27 23:16:57,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:16:57,187 INFO L225 Difference]: With dead ends: 1663 [2024-11-27 23:16:57,187 INFO L226 Difference]: Without dead ends: 1338 [2024-11-27 23:16:57,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=89, Invalid=723, Unknown=0, NotChecked=0, Total=812 [2024-11-27 23:16:57,190 INFO L435 NwaCegarLoop]: 391 mSDtfsCounter, 416 mSDsluCounter, 5013 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 5404 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:16:57,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 5404 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-27 23:16:57,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1338 states. [2024-11-27 23:16:57,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1338 to 1036. [2024-11-27 23:16:57,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1036 states, 673 states have (on average 1.1322436849925706) internal successors, (762), 716 states have internal predecessors, (762), 219 states have call successors, (219), 122 states have call predecessors, (219), 122 states have return successors, (218), 207 states have call predecessors, (218), 217 states have call successors, (218) [2024-11-27 23:16:57,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1199 transitions. [2024-11-27 23:16:57,276 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1199 transitions. Word has length 122 [2024-11-27 23:16:57,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:16:57,277 INFO L471 AbstractCegarLoop]: Abstraction has 1036 states and 1199 transitions. [2024-11-27 23:16:57,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 13 states have (on average 5.0) internal successors, (65), 12 states have internal predecessors, (65), 6 states have call successors, (19), 1 states have call predecessors, (19), 4 states have return successors, (19), 7 states have call predecessors, (19), 6 states have call successors, (19) [2024-11-27 23:16:57,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1199 transitions. [2024-11-27 23:16:57,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-27 23:16:57,280 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:16:57,281 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-27 23:16:57,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-27 23:16:57,282 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:16:57,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:16:57,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1032475158, now seen corresponding path program 1 times [2024-11-27 23:16:57,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:16:57,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897477845] [2024-11-27 23:16:57,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:16:57,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:09,779 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-11-27 23:17:09,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:17:09,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897477845] [2024-11-27 23:17:09,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897477845] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:17:09,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663345467] [2024-11-27 23:17:09,780 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:09,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:17:09,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:17:09,782 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:17:09,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-27 23:17:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:14,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 3518 conjuncts, 116 conjuncts are in the unsatisfiable core [2024-11-27 23:17:14,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:17:19,919 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 80 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-27 23:17:19,920 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:17:26,910 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 8 proven. 23 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-11-27 23:17:26,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663345467] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:17:26,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:17:26,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 16, 16] total 46 [2024-11-27 23:17:26,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334215667] [2024-11-27 23:17:26,911 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:17:26,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-11-27 23:17:26,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:17:26,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-11-27 23:17:26,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1950, Unknown=0, NotChecked=0, Total=2070 [2024-11-27 23:17:26,914 INFO L87 Difference]: Start difference. First operand 1036 states and 1199 transitions. Second operand has 46 states, 40 states have (on average 3.575) internal successors, (143), 34 states have internal predecessors, (143), 14 states have call successors, (55), 3 states have call predecessors, (55), 11 states have return successors, (56), 21 states have call predecessors, (56), 13 states have call successors, (56) [2024-11-27 23:17:31,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:17:41,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:17:41,510 INFO L93 Difference]: Finished difference Result 1792 states and 2057 transitions. [2024-11-27 23:17:41,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-27 23:17:41,511 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 40 states have (on average 3.575) internal successors, (143), 34 states have internal predecessors, (143), 14 states have call successors, (55), 3 states have call predecessors, (55), 11 states have return successors, (56), 21 states have call predecessors, (56), 13 states have call successors, (56) Word has length 135 [2024-11-27 23:17:41,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:17:41,517 INFO L225 Difference]: With dead ends: 1792 [2024-11-27 23:17:41,517 INFO L226 Difference]: Without dead ends: 811 [2024-11-27 23:17:41,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=152, Invalid=2398, Unknown=0, NotChecked=0, Total=2550 [2024-11-27 23:17:41,521 INFO L435 NwaCegarLoop]: 381 mSDtfsCounter, 6 mSDsluCounter, 12838 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 13219 SdHoareTripleChecker+Invalid, 1044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2024-11-27 23:17:41,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 13219 Invalid, 1044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1036 Invalid, 1 Unknown, 0 Unchecked, 12.9s Time] [2024-11-27 23:17:41,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 811 states. [2024-11-27 23:17:41,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 811 to 809. [2024-11-27 23:17:41,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 809 states, 522 states have (on average 1.1340996168582376) internal successors, (592), 554 states have internal predecessors, (592), 168 states have call successors, (168), 97 states have call predecessors, (168), 97 states have return successors, (167), 161 states have call predecessors, (167), 166 states have call successors, (167) [2024-11-27 23:17:41,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 927 transitions. [2024-11-27 23:17:41,592 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 927 transitions. Word has length 135 [2024-11-27 23:17:41,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:17:41,593 INFO L471 AbstractCegarLoop]: Abstraction has 809 states and 927 transitions. [2024-11-27 23:17:41,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 40 states have (on average 3.575) internal successors, (143), 34 states have internal predecessors, (143), 14 states have call successors, (55), 3 states have call predecessors, (55), 11 states have return successors, (56), 21 states have call predecessors, (56), 13 states have call successors, (56) [2024-11-27 23:17:41,595 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 927 transitions. [2024-11-27 23:17:41,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-27 23:17:41,598 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:17:41,598 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 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] [2024-11-27 23:17:41,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-27 23:17:41,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-27 23:17:41,799 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:17:41,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:41,800 INFO L85 PathProgramCache]: Analyzing trace with hash 243999854, now seen corresponding path program 1 times [2024-11-27 23:17:41,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:17:41,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [239531832] [2024-11-27 23:17:41,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:41,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:17:46,012 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-27 23:17:46,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:17:46,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [239531832] [2024-11-27 23:17:46,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [239531832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:17:46,012 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:17:46,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:17:46,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253743413] [2024-11-27 23:17:46,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:17:46,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:17:46,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:17:46,013 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:17:46,014 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:17:46,014 INFO L87 Difference]: Start difference. First operand 809 states and 927 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 23:17:50,083 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 23:17:50,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:17:50,750 INFO L93 Difference]: Finished difference Result 1253 states and 1431 transitions. [2024-11-27 23:17:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:17:50,750 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 146 [2024-11-27 23:17:50,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:17:50,758 INFO L225 Difference]: With dead ends: 1253 [2024-11-27 23:17:50,758 INFO L226 Difference]: Without dead ends: 1251 [2024-11-27 23:17:50,759 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 23:17:50,759 INFO L435 NwaCegarLoop]: 446 mSDtfsCounter, 329 mSDsluCounter, 767 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 1213 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:17:50,759 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [329 Valid, 1213 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-27 23:17:50,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2024-11-27 23:17:50,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 947. [2024-11-27 23:17:50,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 615 states have (on average 1.1333333333333333) internal successors, (697), 649 states have internal predecessors, (697), 195 states have call successors, (195), 115 states have call predecessors, (195), 115 states have return successors, (198), 186 states have call predecessors, (198), 193 states have call successors, (198) [2024-11-27 23:17:50,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1090 transitions. [2024-11-27 23:17:50,846 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1090 transitions. Word has length 146 [2024-11-27 23:17:50,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:17:50,846 INFO L471 AbstractCegarLoop]: Abstraction has 947 states and 1090 transitions. [2024-11-27 23:17:50,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 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 23:17:50,847 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1090 transitions. [2024-11-27 23:17:50,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-27 23:17:50,849 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:17:50,849 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:17:50,850 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-27 23:17:50,850 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:17:50,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:17:50,850 INFO L85 PathProgramCache]: Analyzing trace with hash -1157678177, now seen corresponding path program 1 times [2024-11-27 23:17:50,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:17:50,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801052621] [2024-11-27 23:17:50,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:17:50,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:17:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:18:03,803 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 6 proven. 19 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-27 23:18:03,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:18:03,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801052621] [2024-11-27 23:18:03,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801052621] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:18:03,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953155600] [2024-11-27 23:18:03,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:18:03,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:18:03,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:18:03,806 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:18:03,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-27 23:18:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:18:08,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 3554 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-27 23:18:08,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:18:17,519 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 48 proven. 18 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-27 23:18:17,519 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:18:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 103 trivial. 0 not checked. [2024-11-27 23:18:27,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953155600] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:18:27,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:18:27,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 16, 15] total 45 [2024-11-27 23:18:27,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98881100] [2024-11-27 23:18:27,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:18:27,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-27 23:18:27,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:18:27,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-27 23:18:27,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=1873, Unknown=0, NotChecked=0, Total=1980 [2024-11-27 23:18:27,090 INFO L87 Difference]: Start difference. First operand 947 states and 1090 transitions. Second operand has 45 states, 39 states have (on average 4.384615384615385) internal successors, (171), 38 states have internal predecessors, (171), 19 states have call successors, (64), 2 states have call predecessors, (64), 10 states have return successors, (67), 23 states have call predecessors, (67), 19 states have call successors, (67) [2024-11-27 23:18:31,153 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 23:18:35,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:19:06,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:19:06,887 INFO L93 Difference]: Finished difference Result 1266 states and 1445 transitions. [2024-11-27 23:19:06,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-11-27 23:19:06,888 INFO L78 Accepts]: Start accepts. Automaton has has 45 states, 39 states have (on average 4.384615384615385) internal successors, (171), 38 states have internal predecessors, (171), 19 states have call successors, (64), 2 states have call predecessors, (64), 10 states have return successors, (67), 23 states have call predecessors, (67), 19 states have call successors, (67) Word has length 149 [2024-11-27 23:19:06,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:19:06,894 INFO L225 Difference]: With dead ends: 1266 [2024-11-27 23:19:06,894 INFO L226 Difference]: Without dead ends: 963 [2024-11-27 23:19:06,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 278 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 766 ImplicationChecksByTransitivity, 29.8s TimeCoverageRelationStatistics Valid=323, Invalid=5377, Unknown=0, NotChecked=0, Total=5700 [2024-11-27 23:19:06,899 INFO L435 NwaCegarLoop]: 372 mSDtfsCounter, 455 mSDsluCounter, 13263 mSDsCounter, 0 mSdLazyCounter, 1748 mSolverCounterSat, 269 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 13635 SdHoareTripleChecker+Invalid, 2019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 1748 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.1s IncrementalHoareTripleChecker+Time [2024-11-27 23:19:06,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 13635 Invalid, 2019 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [269 Valid, 1748 Invalid, 2 Unknown, 0 Unchecked, 25.1s Time] [2024-11-27 23:19:06,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2024-11-27 23:19:07,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 962. [2024-11-27 23:19:07,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 623 states have (on average 1.130016051364366) internal successors, (704), 663 states have internal predecessors, (704), 194 states have call successors, (194), 117 states have call predecessors, (194), 123 states have return successors, (203), 185 states have call predecessors, (203), 192 states have call successors, (203) [2024-11-27 23:19:07,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1101 transitions. [2024-11-27 23:19:07,050 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1101 transitions. Word has length 149 [2024-11-27 23:19:07,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:19:07,050 INFO L471 AbstractCegarLoop]: Abstraction has 962 states and 1101 transitions. [2024-11-27 23:19:07,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 39 states have (on average 4.384615384615385) internal successors, (171), 38 states have internal predecessors, (171), 19 states have call successors, (64), 2 states have call predecessors, (64), 10 states have return successors, (67), 23 states have call predecessors, (67), 19 states have call successors, (67) [2024-11-27 23:19:07,051 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1101 transitions. [2024-11-27 23:19:07,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-27 23:19:07,055 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:19:07,055 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 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] [2024-11-27 23:19:07,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-27 23:19:07,255 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-27 23:19:07,256 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:19:07,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:07,257 INFO L85 PathProgramCache]: Analyzing trace with hash 1749550594, now seen corresponding path program 1 times [2024-11-27 23:19:07,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:19:07,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157503614] [2024-11-27 23:19:07,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:07,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:12,142 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:19:12,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:19:12,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157503614] [2024-11-27 23:19:12,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157503614] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:19:12,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:19:12,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-27 23:19:12,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706785693] [2024-11-27 23:19:12,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:19:12,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:19:12,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:19:12,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:19:12,144 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:19:12,144 INFO L87 Difference]: Start difference. First operand 962 states and 1101 transitions. Second operand has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-27 23:19:12,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:19:12,881 INFO L93 Difference]: Finished difference Result 1322 states and 1495 transitions. [2024-11-27 23:19:12,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:19:12,882 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 180 [2024-11-27 23:19:12,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:19:12,888 INFO L225 Difference]: With dead ends: 1322 [2024-11-27 23:19:12,888 INFO L226 Difference]: Without dead ends: 960 [2024-11-27 23:19:12,890 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:19:12,891 INFO L435 NwaCegarLoop]: 410 mSDtfsCounter, 3 mSDsluCounter, 2020 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 2430 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:19:12,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 2430 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-27 23:19:12,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2024-11-27 23:19:13,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 958. [2024-11-27 23:19:13,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 621 states have (on average 1.1272141706924315) internal successors, (700), 661 states have internal predecessors, (700), 192 states have call successors, (192), 117 states have call predecessors, (192), 123 states have return successors, (201), 183 states have call predecessors, (201), 190 states have call successors, (201) [2024-11-27 23:19:13,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1093 transitions. [2024-11-27 23:19:13,028 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1093 transitions. Word has length 180 [2024-11-27 23:19:13,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:19:13,028 INFO L471 AbstractCegarLoop]: Abstraction has 958 states and 1093 transitions. [2024-11-27 23:19:13,029 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.428571428571429) internal successors, (87), 7 states have internal predecessors, (87), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2024-11-27 23:19:13,029 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1093 transitions. [2024-11-27 23:19:13,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-11-27 23:19:13,033 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:19:13,034 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 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] [2024-11-27 23:19:13,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-27 23:19:13,034 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:19:13,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:13,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1984038183, now seen corresponding path program 1 times [2024-11-27 23:19:13,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:19:13,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924473202] [2024-11-27 23:19:13,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:13,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:16,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:17,660 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:19:17,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:19:17,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924473202] [2024-11-27 23:19:17,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924473202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:19:17,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:19:17,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:19:17,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818931184] [2024-11-27 23:19:17,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:19:17,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:19:17,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:19:17,662 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:19:17,662 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:19:17,662 INFO L87 Difference]: Start difference. First operand 958 states and 1093 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 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 23:19:17,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:19:17,908 INFO L93 Difference]: Finished difference Result 958 states and 1093 transitions. [2024-11-27 23:19:17,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:19:17,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 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 191 [2024-11-27 23:19:17,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:19:17,913 INFO L225 Difference]: With dead ends: 958 [2024-11-27 23:19:17,913 INFO L226 Difference]: Without dead ends: 956 [2024-11-27 23:19:17,914 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:19:17,914 INFO L435 NwaCegarLoop]: 398 mSDtfsCounter, 334 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 334 SdHoareTripleChecker+Valid, 795 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 23:19:17,914 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [334 Valid, 795 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-27 23:19:17,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2024-11-27 23:19:18,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 956. [2024-11-27 23:19:18,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 620 states have (on average 1.1241935483870968) internal successors, (697), 659 states have internal predecessors, (697), 192 states have call successors, (192), 117 states have call predecessors, (192), 123 states have return successors, (201), 183 states have call predecessors, (201), 190 states have call successors, (201) [2024-11-27 23:19:18,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1090 transitions. [2024-11-27 23:19:18,049 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1090 transitions. Word has length 191 [2024-11-27 23:19:18,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:19:18,050 INFO L471 AbstractCegarLoop]: Abstraction has 956 states and 1090 transitions. [2024-11-27 23:19:18,050 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 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 23:19:18,051 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1090 transitions. [2024-11-27 23:19:18,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2024-11-27 23:19:18,055 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:19:18,055 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 3, 3, 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] [2024-11-27 23:19:18,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-27 23:19:18,056 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:19:18,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:18,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1662740435, now seen corresponding path program 1 times [2024-11-27 23:19:18,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:19:18,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992682479] [2024-11-27 23:19:18,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:18,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:25,922 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2024-11-27 23:19:25,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:19:25,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992682479] [2024-11-27 23:19:25,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992682479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:19:25,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:19:25,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-11-27 23:19:25,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836712994] [2024-11-27 23:19:25,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:19:25,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-27 23:19:25,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:19:25,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-27 23:19:25,925 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-27 23:19:25,925 INFO L87 Difference]: Start difference. First operand 956 states and 1090 transitions. Second operand has 13 states, 11 states have (on average 8.363636363636363) internal successors, (92), 12 states have internal predecessors, (92), 6 states have call successors, (29), 1 states have call predecessors, (29), 3 states have return successors, (29), 8 states have call predecessors, (29), 6 states have call successors, (29) [2024-11-27 23:19:30,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:19:30,051 INFO L93 Difference]: Finished difference Result 1394 states and 1540 transitions. [2024-11-27 23:19:30,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-27 23:19:30,052 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 8.363636363636363) internal successors, (92), 12 states have internal predecessors, (92), 6 states have call successors, (29), 1 states have call predecessors, (29), 3 states have return successors, (29), 8 states have call predecessors, (29), 6 states have call successors, (29) Word has length 195 [2024-11-27 23:19:30,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:19:30,059 INFO L225 Difference]: With dead ends: 1394 [2024-11-27 23:19:30,059 INFO L226 Difference]: Without dead ends: 1203 [2024-11-27 23:19:30,060 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2024-11-27 23:19:30,061 INFO L435 NwaCegarLoop]: 381 mSDtfsCounter, 344 mSDsluCounter, 3740 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 4121 SdHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-27 23:19:30,061 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 4121 Invalid, 241 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-27 23:19:30,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2024-11-27 23:19:30,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 926. [2024-11-27 23:19:30,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 926 states, 601 states have (on average 1.1214642262895174) internal successors, (674), 636 states have internal predecessors, (674), 185 states have call successors, (185), 115 states have call predecessors, (185), 119 states have return successors, (192), 178 states have call predecessors, (192), 183 states have call successors, (192) [2024-11-27 23:19:30,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 926 states and 1051 transitions. [2024-11-27 23:19:30,214 INFO L78 Accepts]: Start accepts. Automaton has 926 states and 1051 transitions. Word has length 195 [2024-11-27 23:19:30,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:19:30,214 INFO L471 AbstractCegarLoop]: Abstraction has 926 states and 1051 transitions. [2024-11-27 23:19:30,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 8.363636363636363) internal successors, (92), 12 states have internal predecessors, (92), 6 states have call successors, (29), 1 states have call predecessors, (29), 3 states have return successors, (29), 8 states have call predecessors, (29), 6 states have call successors, (29) [2024-11-27 23:19:30,215 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states and 1051 transitions. [2024-11-27 23:19:30,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-27 23:19:30,219 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:19:30,219 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 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] [2024-11-27 23:19:30,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-27 23:19:30,220 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:19:30,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:30,220 INFO L85 PathProgramCache]: Analyzing trace with hash 23549126, now seen corresponding path program 1 times [2024-11-27 23:19:30,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:19:30,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798064788] [2024-11-27 23:19:30,221 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:30,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:34,929 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-27 23:19:34,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:19:34,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798064788] [2024-11-27 23:19:34,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798064788] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:19:34,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:19:34,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:19:34,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674776102] [2024-11-27 23:19:34,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:19:34,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:19:34,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:19:34,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:19:34,931 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:19:34,931 INFO L87 Difference]: Start difference. First operand 926 states and 1051 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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 23:19:35,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:19:35,126 INFO L93 Difference]: Finished difference Result 926 states and 1051 transitions. [2024-11-27 23:19:35,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:19:35,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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 197 [2024-11-27 23:19:35,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:19:35,132 INFO L225 Difference]: With dead ends: 926 [2024-11-27 23:19:35,132 INFO L226 Difference]: Without dead ends: 924 [2024-11-27 23:19:35,133 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:19:35,133 INFO L435 NwaCegarLoop]: 396 mSDtfsCounter, 331 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 331 SdHoareTripleChecker+Valid, 791 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 23:19:35,133 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [331 Valid, 791 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-27 23:19:35,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2024-11-27 23:19:35,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 924. [2024-11-27 23:19:35,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 924 states, 600 states have (on average 1.1183333333333334) internal successors, (671), 634 states have internal predecessors, (671), 185 states have call successors, (185), 115 states have call predecessors, (185), 119 states have return successors, (192), 178 states have call predecessors, (192), 183 states have call successors, (192) [2024-11-27 23:19:35,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1048 transitions. [2024-11-27 23:19:35,278 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1048 transitions. Word has length 197 [2024-11-27 23:19:35,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:19:35,279 INFO L471 AbstractCegarLoop]: Abstraction has 924 states and 1048 transitions. [2024-11-27 23:19:35,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 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 23:19:35,280 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1048 transitions. [2024-11-27 23:19:35,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-27 23:19:35,284 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:19:35,284 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 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] [2024-11-27 23:19:35,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-27 23:19:35,285 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:19:35,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:19:35,285 INFO L85 PathProgramCache]: Analyzing trace with hash 141637887, now seen corresponding path program 1 times [2024-11-27 23:19:35,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:19:35,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68840950] [2024-11-27 23:19:35,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:35,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:19:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:19:41,649 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-27 23:19:41,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:19:41,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68840950] [2024-11-27 23:19:41,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [68840950] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:19:41,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424211604] [2024-11-27 23:19:41,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:19:41,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:19:41,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:19:41,654 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:19:41,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-27 23:20:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:07,905 INFO L256 TraceCheckSpWp]: Trace formula consists of 3661 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-27 23:20:07,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:20:08,133 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-27 23:20:08,133 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:20:08,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424211604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:20:08,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:20:08,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 7 [2024-11-27 23:20:08,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055362455] [2024-11-27 23:20:08,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:20:08,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-27 23:20:08,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:20:08,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-27 23:20:08,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:20:08,135 INFO L87 Difference]: Start difference. First operand 924 states and 1048 transitions. Second operand has 7 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-27 23:20:09,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:20:09,206 INFO L93 Difference]: Finished difference Result 1096 states and 1214 transitions. [2024-11-27 23:20:09,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-27 23:20:09,207 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 203 [2024-11-27 23:20:09,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:20:09,212 INFO L225 Difference]: With dead ends: 1096 [2024-11-27 23:20:09,212 INFO L226 Difference]: Without dead ends: 720 [2024-11-27 23:20:09,213 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-27 23:20:09,214 INFO L435 NwaCegarLoop]: 385 mSDtfsCounter, 0 mSDsluCounter, 1893 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2278 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:20:09,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2278 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-27 23:20:09,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 720 states. [2024-11-27 23:20:09,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 720 to 720. [2024-11-27 23:20:09,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 720 states, 464 states have (on average 1.1336206896551724) internal successors, (526), 494 states have internal predecessors, (526), 143 states have call successors, (143), 90 states have call predecessors, (143), 93 states have return successors, (149), 137 states have call predecessors, (149), 141 states have call successors, (149) [2024-11-27 23:20:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 720 states and 818 transitions. [2024-11-27 23:20:09,333 INFO L78 Accepts]: Start accepts. Automaton has 720 states and 818 transitions. Word has length 203 [2024-11-27 23:20:09,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:20:09,333 INFO L471 AbstractCegarLoop]: Abstraction has 720 states and 818 transitions. [2024-11-27 23:20:09,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.333333333333332) internal successors, (110), 6 states have internal predecessors, (110), 3 states have call successors, (31), 2 states have call predecessors, (31), 4 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-27 23:20:09,334 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 818 transitions. [2024-11-27 23:20:09,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-11-27 23:20:09,336 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:20:09,337 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 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] [2024-11-27 23:20:09,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-27 23:20:09,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-27 23:20:09,537 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:20:09,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:20:09,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1107408365, now seen corresponding path program 1 times [2024-11-27 23:20:09,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:20:09,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852708687] [2024-11-27 23:20:09,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:20:09,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:20:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:20:42,240 WARN L286 SmtUtils]: Spent 12.10s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 23:21:06,499 WARN L286 SmtUtils]: Spent 12.10s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 23:21:30,786 WARN L286 SmtUtils]: Spent 12.09s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-27 23:21:44,892 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-11-27 23:21:44,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:21:44,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852708687] [2024-11-27 23:21:44,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852708687] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:21:44,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436045664] [2024-11-27 23:21:44,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:21:44,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:21:44,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:21:44,894 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:21:44,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-27 23:21:51,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:21:51,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 3749 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-27 23:21:51,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:21:58,548 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-27 23:21:58,549 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:21:58,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436045664] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:21:58,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:21:58,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [22] total 35 [2024-11-27 23:21:58,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48717804] [2024-11-27 23:21:58,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:21:58,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 23:21:58,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:21:58,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 23:21:58,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1115, Unknown=2, NotChecked=0, Total=1190 [2024-11-27 23:21:58,551 INFO L87 Difference]: Start difference. First operand 720 states and 818 transitions. Second operand has 15 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 7 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (32), 7 states have call predecessors, (32), 7 states have call successors, (32) [2024-11-27 23:22:03,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:03,052 INFO L93 Difference]: Finished difference Result 1017 states and 1129 transitions. [2024-11-27 23:22:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 23:22:03,053 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 7 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (32), 7 states have call predecessors, (32), 7 states have call successors, (32) Word has length 211 [2024-11-27 23:22:03,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:03,057 INFO L225 Difference]: With dead ends: 1017 [2024-11-27 23:22:03,057 INFO L226 Difference]: Without dead ends: 717 [2024-11-27 23:22:03,059 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 56.9s TimeCoverageRelationStatistics Valid=85, Invalid=1319, Unknown=2, NotChecked=0, Total=1406 [2024-11-27 23:22:03,059 INFO L435 NwaCegarLoop]: 383 mSDtfsCounter, 4 mSDsluCounter, 4902 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 5285 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:03,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 5285 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-27 23:22:03,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2024-11-27 23:22:03,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 704. [2024-11-27 23:22:03,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 704 states, 457 states have (on average 1.1159737417943107) internal successors, (510), 483 states have internal predecessors, (510), 137 states have call successors, (137), 88 states have call predecessors, (137), 91 states have return successors, (140), 134 states have call predecessors, (140), 135 states have call successors, (140) [2024-11-27 23:22:03,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 787 transitions. [2024-11-27 23:22:03,183 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 787 transitions. Word has length 211 [2024-11-27 23:22:03,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:03,184 INFO L471 AbstractCegarLoop]: Abstraction has 704 states and 787 transitions. [2024-11-27 23:22:03,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 7 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (32), 7 states have call predecessors, (32), 7 states have call successors, (32) [2024-11-27 23:22:03,184 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 787 transitions. [2024-11-27 23:22:03,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-27 23:22:03,187 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:03,187 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:22:03,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-27 23:22:03,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:22:03,388 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:22:03,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:03,390 INFO L85 PathProgramCache]: Analyzing trace with hash -428234663, now seen corresponding path program 1 times [2024-11-27 23:22:03,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:03,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152729552] [2024-11-27 23:22:03,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:03,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:07,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:07,912 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-11-27 23:22:07,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:07,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152729552] [2024-11-27 23:22:07,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152729552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:22:07,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:22:07,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-27 23:22:07,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694856198] [2024-11-27 23:22:07,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:22:07,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-27 23:22:07,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:07,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-27 23:22:07,914 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-27 23:22:07,914 INFO L87 Difference]: Start difference. First operand 704 states and 787 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-27 23:22:11,974 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 23:22:12,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:12,660 INFO L93 Difference]: Finished difference Result 741 states and 807 transitions. [2024-11-27 23:22:12,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-27 23:22:12,660 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 206 [2024-11-27 23:22:12,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:12,665 INFO L225 Difference]: With dead ends: 741 [2024-11-27 23:22:12,665 INFO L226 Difference]: Without dead ends: 739 [2024-11-27 23:22:12,666 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-27 23:22:12,666 INFO L435 NwaCegarLoop]: 408 mSDtfsCounter, 233 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:12,667 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 1188 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2024-11-27 23:22:12,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 739 states. [2024-11-27 23:22:12,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 739 to 702. [2024-11-27 23:22:12,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 456 states have (on average 1.111842105263158) internal successors, (507), 481 states have internal predecessors, (507), 137 states have call successors, (137), 88 states have call predecessors, (137), 91 states have return successors, (140), 134 states have call predecessors, (140), 135 states have call successors, (140) [2024-11-27 23:22:12,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 784 transitions. [2024-11-27 23:22:12,784 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 784 transitions. Word has length 206 [2024-11-27 23:22:12,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:12,784 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 784 transitions. [2024-11-27 23:22:12,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-27 23:22:12,785 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 784 transitions. [2024-11-27 23:22:12,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-11-27 23:22:12,787 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:12,787 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:22:12,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-27 23:22:12,788 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:22:12,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:12,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1481558229, now seen corresponding path program 1 times [2024-11-27 23:22:12,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:12,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247521659] [2024-11-27 23:22:12,789 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:12,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:17,592 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2024-11-27 23:22:17,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:17,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247521659] [2024-11-27 23:22:17,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247521659] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:22:17,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 23:22:17,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-27 23:22:17,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91174193] [2024-11-27 23:22:17,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:22:17,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 23:22:17,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:17,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 23:22:17,594 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-27 23:22:17,596 INFO L87 Difference]: Start difference. First operand 702 states and 784 transitions. Second operand has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 2 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-27 23:22:18,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:22:18,325 INFO L93 Difference]: Finished difference Result 702 states and 784 transitions. [2024-11-27 23:22:18,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 23:22:18,326 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 2 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 209 [2024-11-27 23:22:18,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:22:18,330 INFO L225 Difference]: With dead ends: 702 [2024-11-27 23:22:18,330 INFO L226 Difference]: Without dead ends: 700 [2024-11-27 23:22:18,330 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-27 23:22:18,331 INFO L435 NwaCegarLoop]: 383 mSDtfsCounter, 342 mSDsluCounter, 1141 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-27 23:22:18,331 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 1524 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-27 23:22:18,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-27 23:22:18,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 700. [2024-11-27 23:22:18,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 455 states have (on average 1.1076923076923078) internal successors, (504), 479 states have internal predecessors, (504), 137 states have call successors, (137), 88 states have call predecessors, (137), 91 states have return successors, (140), 134 states have call predecessors, (140), 135 states have call successors, (140) [2024-11-27 23:22:18,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 781 transitions. [2024-11-27 23:22:18,410 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 781 transitions. Word has length 209 [2024-11-27 23:22:18,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:22:18,411 INFO L471 AbstractCegarLoop]: Abstraction has 700 states and 781 transitions. [2024-11-27 23:22:18,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.166666666666668) internal successors, (97), 6 states have internal predecessors, (97), 2 states have call successors, (31), 1 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-27 23:22:18,411 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 781 transitions. [2024-11-27 23:22:18,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2024-11-27 23:22:18,413 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:22:18,413 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:22:18,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-27 23:22:18,414 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:22:18,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:22:18,414 INFO L85 PathProgramCache]: Analyzing trace with hash -596780225, now seen corresponding path program 1 times [2024-11-27 23:22:18,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:22:18,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361667348] [2024-11-27 23:22:18,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:18,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:22:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:29,001 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-27 23:22:29,001 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:22:29,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361667348] [2024-11-27 23:22:29,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361667348] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:22:29,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006664298] [2024-11-27 23:22:29,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:22:29,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:22:29,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:22:29,007 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:22:29,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-27 23:22:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:22:36,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 3713 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-11-27 23:22:36,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:22:43,511 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 153 proven. 21 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-11-27 23:22:43,511 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:22:53,608 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 3 proven. 27 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-27 23:22:53,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006664298] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:22:53,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:22:53,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 18, 15] total 31 [2024-11-27 23:22:53,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478995561] [2024-11-27 23:22:53,608 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:22:53,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-11-27 23:22:53,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:22:53,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-11-27 23:22:53,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2024-11-27 23:22:53,611 INFO L87 Difference]: Start difference. First operand 700 states and 781 transitions. Second operand has 31 states, 28 states have (on average 7.0) internal successors, (196), 29 states have internal predecessors, (196), 14 states have call successors, (72), 3 states have call predecessors, (72), 8 states have return successors, (73), 15 states have call predecessors, (73), 14 states have call successors, (73) [2024-11-27 23:22:57,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:23:02,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:23:14,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:14,165 INFO L93 Difference]: Finished difference Result 1161 states and 1266 transitions. [2024-11-27 23:23:14,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-27 23:23:14,166 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 28 states have (on average 7.0) internal successors, (196), 29 states have internal predecessors, (196), 14 states have call successors, (72), 3 states have call predecessors, (72), 8 states have return successors, (73), 15 states have call predecessors, (73), 14 states have call successors, (73) Word has length 219 [2024-11-27 23:23:14,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:14,171 INFO L225 Difference]: With dead ends: 1161 [2024-11-27 23:23:14,171 INFO L226 Difference]: Without dead ends: 698 [2024-11-27 23:23:14,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 423 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=117, Invalid=1289, Unknown=0, NotChecked=0, Total=1406 [2024-11-27 23:23:14,174 INFO L435 NwaCegarLoop]: 366 mSDtfsCounter, 303 mSDsluCounter, 7640 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 10 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 8006 SdHoareTripleChecker+Invalid, 865 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.0s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:14,174 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 8006 Invalid, 865 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 853 Invalid, 2 Unknown, 0 Unchecked, 18.0s Time] [2024-11-27 23:23:14,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2024-11-27 23:23:14,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 698. [2024-11-27 23:23:14,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 454 states have (on average 1.0969162995594715) internal successors, (498), 477 states have internal predecessors, (498), 137 states have call successors, (137), 88 states have call predecessors, (137), 90 states have return successors, (139), 134 states have call predecessors, (139), 135 states have call successors, (139) [2024-11-27 23:23:14,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 774 transitions. [2024-11-27 23:23:14,288 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 774 transitions. Word has length 219 [2024-11-27 23:23:14,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:14,289 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 774 transitions. [2024-11-27 23:23:14,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 28 states have (on average 7.0) internal successors, (196), 29 states have internal predecessors, (196), 14 states have call successors, (72), 3 states have call predecessors, (72), 8 states have return successors, (73), 15 states have call predecessors, (73), 14 states have call successors, (73) [2024-11-27 23:23:14,289 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 774 transitions. [2024-11-27 23:23:14,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-11-27 23:23:14,291 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:14,292 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:14,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-27 23:23:14,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:14,493 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:23:14,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:14,494 INFO L85 PathProgramCache]: Analyzing trace with hash 90280837, now seen corresponding path program 1 times [2024-11-27 23:23:14,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:14,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835890825] [2024-11-27 23:23:14,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:14,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:23,170 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 45 proven. 12 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-27 23:23:23,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:23,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835890825] [2024-11-27 23:23:23,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835890825] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:23,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1636855172] [2024-11-27 23:23:23,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:23,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:23,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:23,173 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:23,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-27 23:23:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:30,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 3689 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-27 23:23:30,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:23:34,984 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-27 23:23:34,985 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-27 23:23:34,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1636855172] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 23:23:34,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-27 23:23:34,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [14] total 25 [2024-11-27 23:23:34,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646829715] [2024-11-27 23:23:34,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 23:23:34,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-27 23:23:34,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:23:34,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-27 23:23:34,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=550, Unknown=0, NotChecked=0, Total=600 [2024-11-27 23:23:34,986 INFO L87 Difference]: Start difference. First operand 698 states and 774 transitions. Second operand has 15 states, 14 states have (on average 7.428571428571429) internal successors, (104), 14 states have internal predecessors, (104), 7 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 7 states have call predecessors, (32), 7 states have call successors, (32) [2024-11-27 23:23:39,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:23:39,674 INFO L93 Difference]: Finished difference Result 855 states and 931 transitions. [2024-11-27 23:23:39,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-27 23:23:39,674 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 7.428571428571429) internal successors, (104), 14 states have internal predecessors, (104), 7 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 7 states have call predecessors, (32), 7 states have call successors, (32) Word has length 214 [2024-11-27 23:23:39,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:23:39,678 INFO L225 Difference]: With dead ends: 855 [2024-11-27 23:23:39,678 INFO L226 Difference]: Without dead ends: 700 [2024-11-27 23:23:39,679 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=62, Invalid=694, Unknown=0, NotChecked=0, Total=756 [2024-11-27 23:23:39,679 INFO L435 NwaCegarLoop]: 377 mSDtfsCounter, 16 mSDsluCounter, 4812 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 5189 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-27 23:23:39,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 5189 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-27 23:23:39,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 700 states. [2024-11-27 23:23:39,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 700 to 698. [2024-11-27 23:23:39,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 454 states have (on average 1.0947136563876652) internal successors, (497), 477 states have internal predecessors, (497), 137 states have call successors, (137), 88 states have call predecessors, (137), 90 states have return successors, (139), 134 states have call predecessors, (139), 135 states have call successors, (139) [2024-11-27 23:23:39,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 773 transitions. [2024-11-27 23:23:39,819 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 773 transitions. Word has length 214 [2024-11-27 23:23:39,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:23:39,820 INFO L471 AbstractCegarLoop]: Abstraction has 698 states and 773 transitions. [2024-11-27 23:23:39,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 7.428571428571429) internal successors, (104), 14 states have internal predecessors, (104), 7 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (32), 7 states have call predecessors, (32), 7 states have call successors, (32) [2024-11-27 23:23:39,820 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 773 transitions. [2024-11-27 23:23:39,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2024-11-27 23:23:39,823 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:23:39,823 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:23:39,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-27 23:23:40,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:40,024 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:23:40,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:23:40,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1370643743, now seen corresponding path program 1 times [2024-11-27 23:23:40,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:23:40,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786918189] [2024-11-27 23:23:40,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:40,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:23:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:23:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 12 proven. 32 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2024-11-27 23:23:54,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:23:54,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786918189] [2024-11-27 23:23:54,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786918189] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:23:54,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [483286235] [2024-11-27 23:23:54,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:23:54,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:23:54,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:23:54,902 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:23:54,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-27 23:24:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:24:01,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 3751 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-11-27 23:24:01,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:24:19,964 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 203 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-27 23:24:19,964 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:24:34,135 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-11-27 23:24:34,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [483286235] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:24:34,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:24:34,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 24, 15] total 53 [2024-11-27 23:24:34,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007029771] [2024-11-27 23:24:34,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:24:34,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-11-27 23:24:34,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:24:34,139 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-11-27 23:24:34,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=2586, Unknown=0, NotChecked=0, Total=2756 [2024-11-27 23:24:34,140 INFO L87 Difference]: Start difference. First operand 698 states and 773 transitions. Second operand has 53 states, 47 states have (on average 5.191489361702128) internal successors, (244), 44 states have internal predecessors, (244), 20 states have call successors, (81), 5 states have call predecessors, (81), 16 states have return successors, (85), 25 states have call predecessors, (85), 20 states have call successors, (85) [2024-11-27 23:24:38,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:24:42,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:24:46,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:24:51,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:24:55,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:25:00,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:25:04,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:27:59,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-27 23:27:59,344 INFO L93 Difference]: Finished difference Result 1424 states and 1554 transitions. [2024-11-27 23:27:59,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-11-27 23:27:59,345 INFO L78 Accepts]: Start accepts. Automaton has has 53 states, 47 states have (on average 5.191489361702128) internal successors, (244), 44 states have internal predecessors, (244), 20 states have call successors, (81), 5 states have call predecessors, (81), 16 states have return successors, (85), 25 states have call predecessors, (85), 20 states have call successors, (85) Word has length 231 [2024-11-27 23:27:59,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-27 23:27:59,349 INFO L225 Difference]: With dead ends: 1424 [2024-11-27 23:27:59,349 INFO L226 Difference]: Without dead ends: 997 [2024-11-27 23:27:59,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 519 GetRequests, 433 SyntacticMatches, 1 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1551 ImplicationChecksByTransitivity, 42.2s TimeCoverageRelationStatistics Valid=541, Invalid=6941, Unknown=0, NotChecked=0, Total=7482 [2024-11-27 23:27:59,353 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 730 mSDsluCounter, 4693 mSDsCounter, 0 mSdLazyCounter, 13791 mSolverCounterSat, 244 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 183.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 830 SdHoareTripleChecker+Valid, 4876 SdHoareTripleChecker+Invalid, 14042 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 244 IncrementalHoareTripleChecker+Valid, 13791 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 187.6s IncrementalHoareTripleChecker+Time [2024-11-27 23:27:59,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [830 Valid, 4876 Invalid, 14042 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [244 Valid, 13791 Invalid, 7 Unknown, 0 Unchecked, 187.6s Time] [2024-11-27 23:27:59,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2024-11-27 23:27:59,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 702. [2024-11-27 23:27:59,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 456 states have (on average 1.0899122807017543) internal successors, (497), 481 states have internal predecessors, (497), 137 states have call successors, (137), 88 states have call predecessors, (137), 92 states have return successors, (141), 134 states have call predecessors, (141), 135 states have call successors, (141) [2024-11-27 23:27:59,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 775 transitions. [2024-11-27 23:27:59,482 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 775 transitions. Word has length 231 [2024-11-27 23:27:59,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-27 23:27:59,482 INFO L471 AbstractCegarLoop]: Abstraction has 702 states and 775 transitions. [2024-11-27 23:27:59,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 47 states have (on average 5.191489361702128) internal successors, (244), 44 states have internal predecessors, (244), 20 states have call successors, (81), 5 states have call predecessors, (81), 16 states have return successors, (85), 25 states have call predecessors, (85), 20 states have call successors, (85) [2024-11-27 23:27:59,483 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 775 transitions. [2024-11-27 23:27:59,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2024-11-27 23:27:59,484 INFO L210 NwaCegarLoop]: Found error trace [2024-11-27 23:27:59,484 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 23:27:59,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-27 23:27:59,685 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-11-27 23:27:59,685 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 27 more)] === [2024-11-27 23:27:59,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 23:27:59,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1632199540, now seen corresponding path program 1 times [2024-11-27 23:27:59,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 23:27:59,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077901096] [2024-11-27 23:27:59,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:27:59,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 23:28:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:14,600 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2024-11-27 23:28:14,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 23:28:14,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077901096] [2024-11-27 23:28:14,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077901096] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-27 23:28:14,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023107685] [2024-11-27 23:28:14,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 23:28:14,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-27 23:28:14,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 23:28:14,602 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-27 23:28:14,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fb53a6b-23db-4b38-9162-8ef137927857/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-27 23:28:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 23:28:22,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 3759 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-11-27 23:28:22,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-27 23:28:38,644 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 205 proven. 6 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-27 23:28:38,644 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-27 23:28:52,778 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-11-27 23:28:52,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023107685] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-27 23:28:52,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-27 23:28:52,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 24, 13] total 48 [2024-11-27 23:28:52,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903653898] [2024-11-27 23:28:52,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-27 23:28:52,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-27 23:28:52,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 23:28:52,780 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-27 23:28:52,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=144, Invalid=2112, Unknown=0, NotChecked=0, Total=2256 [2024-11-27 23:28:52,781 INFO L87 Difference]: Start difference. First operand 702 states and 775 transitions. Second operand has 48 states, 43 states have (on average 5.767441860465116) internal successors, (248), 38 states have internal predecessors, (248), 18 states have call successors, (80), 5 states have call predecessors, (80), 14 states have return successors, (81), 18 states have call predecessors, (81), 18 states have call successors, (81) [2024-11-27 23:28:56,848 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 23:29:01,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:29:05,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:29:09,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:29:14,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:29:18,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-27 23:29:23,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []