./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8014a45acdf713b7b2455e92c8d4dc73a660e01c8a01c7e4d12316d74b118b13 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:27:06,314 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:27:06,372 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-12-02 15:27:06,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:27:06,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:27:06,400 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:27:06,400 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:27:06,400 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:27:06,401 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:27:06,401 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:27:06,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:27:06,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:27:06,401 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:27:06,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:27:06,402 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:27:06,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:27:06,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:27:06,402 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:27:06,402 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:27:06,402 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:27:06,402 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:27:06,402 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:27:06,402 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:27:06,402 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:27:06,403 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:27:06,403 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:27:06,403 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:27:06,403 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:27:06,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:27:06,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:27:06,403 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:27:06,403 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:27:06,403 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:27:06,403 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:27:06,403 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:27:06,404 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:27:06,404 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:27:06,404 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:27:06,404 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:27:06,404 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:27:06,404 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:27:06,404 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:27:06,404 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:27:06,404 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:27:06,404 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:27:06,404 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_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8014a45acdf713b7b2455e92c8d4dc73a660e01c8a01c7e4d12316d74b118b13 [2024-12-02 15:27:06,647 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:27:06,656 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:27:06,658 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:27:06,660 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:27:06,660 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:27:06,661 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i [2024-12-02 15:27:09,313 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/data/e947316c5/e7dc2478676f44fdac059e2de6b7383c/FLAG481a32919 [2024-12-02 15:27:09,747 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:27:09,748 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i [2024-12-02 15:27:09,782 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/data/e947316c5/e7dc2478676f44fdac059e2de6b7383c/FLAG481a32919 [2024-12-02 15:27:09,796 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/data/e947316c5/e7dc2478676f44fdac059e2de6b7383c [2024-12-02 15:27:09,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:27:09,799 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:27:09,800 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:27:09,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:27:09,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:27:09,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:27:09" (1/1) ... [2024-12-02 15:27:09,807 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ff3fe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:09, skipping insertion in model container [2024-12-02 15:27:09,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:27:09" (1/1) ... [2024-12-02 15:27:09,892 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:27:11,988 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287816,287829] [2024-12-02 15:27:11,992 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287961,287974] [2024-12-02 15:27:11,992 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288107,288120] [2024-12-02 15:27:11,992 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288272,288285] [2024-12-02 15:27:11,993 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288430,288443] [2024-12-02 15:27:11,993 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288588,288601] [2024-12-02 15:27:11,993 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288746,288759] [2024-12-02 15:27:11,994 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288906,288919] [2024-12-02 15:27:11,994 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289065,289078] [2024-12-02 15:27:11,994 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289204,289217] [2024-12-02 15:27:11,995 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289346,289359] [2024-12-02 15:27:11,995 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289495,289508] [2024-12-02 15:27:11,995 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289634,289647] [2024-12-02 15:27:11,996 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289789,289802] [2024-12-02 15:27:11,996 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289949,289962] [2024-12-02 15:27:11,996 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290100,290113] [2024-12-02 15:27:11,997 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290251,290264] [2024-12-02 15:27:11,997 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290403,290416] [2024-12-02 15:27:11,997 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290552,290565] [2024-12-02 15:27:11,998 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290700,290713] [2024-12-02 15:27:11,998 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290857,290870] [2024-12-02 15:27:11,998 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291006,291019] [2024-12-02 15:27:11,999 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291162,291175] [2024-12-02 15:27:11,999 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291315,291328] [2024-12-02 15:27:11,999 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291461,291474] [2024-12-02 15:27:11,999 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291604,291617] [2024-12-02 15:27:12,000 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291756,291769] [2024-12-02 15:27:12,000 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291902,291915] [2024-12-02 15:27:12,000 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292047,292060] [2024-12-02 15:27:12,001 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292201,292214] [2024-12-02 15:27:12,001 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292352,292365] [2024-12-02 15:27:12,001 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292507,292520] [2024-12-02 15:27:12,002 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292659,292672] [2024-12-02 15:27:12,002 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292814,292827] [2024-12-02 15:27:12,002 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292978,292991] [2024-12-02 15:27:12,003 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293134,293147] [2024-12-02 15:27:12,003 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293298,293311] [2024-12-02 15:27:12,003 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293440,293453] [2024-12-02 15:27:12,004 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293598,293611] [2024-12-02 15:27:12,004 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293765,293778] [2024-12-02 15:27:12,004 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293924,293937] [2024-12-02 15:27:12,004 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294083,294096] [2024-12-02 15:27:12,005 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294232,294245] [2024-12-02 15:27:12,005 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294379,294392] [2024-12-02 15:27:12,005 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294518,294531] [2024-12-02 15:27:12,006 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294681,294694] [2024-12-02 15:27:12,006 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294847,294860] [2024-12-02 15:27:12,006 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295011,295024] [2024-12-02 15:27:12,007 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295176,295189] [2024-12-02 15:27:12,007 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295341,295354] [2024-12-02 15:27:12,007 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295507,295520] [2024-12-02 15:27:12,008 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295672,295685] [2024-12-02 15:27:12,008 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295839,295852] [2024-12-02 15:27:12,008 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295999,296012] [2024-12-02 15:27:12,009 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296161,296174] [2024-12-02 15:27:12,009 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296320,296333] [2024-12-02 15:27:12,009 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296466,296479] [2024-12-02 15:27:12,009 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296609,296622] [2024-12-02 15:27:12,010 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296753,296766] [2024-12-02 15:27:12,010 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296896,296909] [2024-12-02 15:27:12,010 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297040,297053] [2024-12-02 15:27:12,010 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297181,297194] [2024-12-02 15:27:12,011 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297319,297332] [2024-12-02 15:27:12,011 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297477,297490] [2024-12-02 15:27:12,011 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297636,297649] [2024-12-02 15:27:12,012 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297792,297805] [2024-12-02 15:27:12,012 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297941,297954] [2024-12-02 15:27:12,012 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298093,298106] [2024-12-02 15:27:12,013 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298244,298257] [2024-12-02 15:27:12,013 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298393,298406] [2024-12-02 15:27:12,013 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298545,298558] [2024-12-02 15:27:12,013 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298693,298706] [2024-12-02 15:27:12,014 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298846,298859] [2024-12-02 15:27:12,014 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298997,299010] [2024-12-02 15:27:12,014 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299147,299160] [2024-12-02 15:27:12,014 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299294,299307] [2024-12-02 15:27:12,015 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299445,299458] [2024-12-02 15:27:12,015 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299596,299609] [2024-12-02 15:27:12,015 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299744,299757] [2024-12-02 15:27:12,015 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299910,299923] [2024-12-02 15:27:12,016 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300079,300092] [2024-12-02 15:27:12,016 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300246,300259] [2024-12-02 15:27:12,016 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300414,300427] [2024-12-02 15:27:12,016 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300564,300577] [2024-12-02 15:27:12,016 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300711,300724] [2024-12-02 15:27:12,017 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300872,300885] [2024-12-02 15:27:12,017 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301042,301055] [2024-12-02 15:27:12,017 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301204,301217] [2024-12-02 15:27:12,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:27:12,042 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:27:12,141 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [4326-4327] [2024-12-02 15:27:12,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [4388] [2024-12-02 15:27:12,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4391] [2024-12-02 15:27:12,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4394] [2024-12-02 15:27:12,144 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [4397] [2024-12-02 15:27:12,265 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287816,287829] [2024-12-02 15:27:12,266 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[287961,287974] [2024-12-02 15:27:12,266 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288107,288120] [2024-12-02 15:27:12,266 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288272,288285] [2024-12-02 15:27:12,267 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288430,288443] [2024-12-02 15:27:12,267 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288588,288601] [2024-12-02 15:27:12,267 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288746,288759] [2024-12-02 15:27:12,267 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[288906,288919] [2024-12-02 15:27:12,267 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289065,289078] [2024-12-02 15:27:12,268 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289204,289217] [2024-12-02 15:27:12,268 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289346,289359] [2024-12-02 15:27:12,268 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289495,289508] [2024-12-02 15:27:12,268 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289634,289647] [2024-12-02 15:27:12,269 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289789,289802] [2024-12-02 15:27:12,269 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[289949,289962] [2024-12-02 15:27:12,269 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290100,290113] [2024-12-02 15:27:12,269 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290251,290264] [2024-12-02 15:27:12,270 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290403,290416] [2024-12-02 15:27:12,270 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290552,290565] [2024-12-02 15:27:12,270 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290700,290713] [2024-12-02 15:27:12,270 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[290857,290870] [2024-12-02 15:27:12,271 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291006,291019] [2024-12-02 15:27:12,271 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291162,291175] [2024-12-02 15:27:12,271 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291315,291328] [2024-12-02 15:27:12,271 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291461,291474] [2024-12-02 15:27:12,272 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291604,291617] [2024-12-02 15:27:12,272 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291756,291769] [2024-12-02 15:27:12,272 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[291902,291915] [2024-12-02 15:27:12,273 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292047,292060] [2024-12-02 15:27:12,273 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292201,292214] [2024-12-02 15:27:12,273 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292352,292365] [2024-12-02 15:27:12,274 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292507,292520] [2024-12-02 15:27:12,274 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292659,292672] [2024-12-02 15:27:12,274 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292814,292827] [2024-12-02 15:27:12,274 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[292978,292991] [2024-12-02 15:27:12,275 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293134,293147] [2024-12-02 15:27:12,275 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293298,293311] [2024-12-02 15:27:12,275 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293440,293453] [2024-12-02 15:27:12,275 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293598,293611] [2024-12-02 15:27:12,276 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293765,293778] [2024-12-02 15:27:12,276 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[293924,293937] [2024-12-02 15:27:12,277 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294083,294096] [2024-12-02 15:27:12,277 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294232,294245] [2024-12-02 15:27:12,277 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294379,294392] [2024-12-02 15:27:12,277 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294518,294531] [2024-12-02 15:27:12,278 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294681,294694] [2024-12-02 15:27:12,278 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[294847,294860] [2024-12-02 15:27:12,278 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295011,295024] [2024-12-02 15:27:12,278 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295176,295189] [2024-12-02 15:27:12,279 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295341,295354] [2024-12-02 15:27:12,279 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295507,295520] [2024-12-02 15:27:12,279 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295672,295685] [2024-12-02 15:27:12,279 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295839,295852] [2024-12-02 15:27:12,280 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[295999,296012] [2024-12-02 15:27:12,280 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296161,296174] [2024-12-02 15:27:12,280 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296320,296333] [2024-12-02 15:27:12,280 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296466,296479] [2024-12-02 15:27:12,281 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296609,296622] [2024-12-02 15:27:12,281 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296753,296766] [2024-12-02 15:27:12,281 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[296896,296909] [2024-12-02 15:27:12,281 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297040,297053] [2024-12-02 15:27:12,282 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297181,297194] [2024-12-02 15:27:12,282 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297319,297332] [2024-12-02 15:27:12,282 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297477,297490] [2024-12-02 15:27:12,282 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297636,297649] [2024-12-02 15:27:12,283 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297792,297805] [2024-12-02 15:27:12,283 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[297941,297954] [2024-12-02 15:27:12,283 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298093,298106] [2024-12-02 15:27:12,283 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298244,298257] [2024-12-02 15:27:12,284 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298393,298406] [2024-12-02 15:27:12,284 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298545,298558] [2024-12-02 15:27:12,284 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298693,298706] [2024-12-02 15:27:12,284 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298846,298859] [2024-12-02 15:27:12,285 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[298997,299010] [2024-12-02 15:27:12,285 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299147,299160] [2024-12-02 15:27:12,285 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299294,299307] [2024-12-02 15:27:12,285 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299445,299458] [2024-12-02 15:27:12,286 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299596,299609] [2024-12-02 15:27:12,286 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299744,299757] [2024-12-02 15:27:12,286 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[299910,299923] [2024-12-02 15:27:12,287 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300079,300092] [2024-12-02 15:27:12,287 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300246,300259] [2024-12-02 15:27:12,287 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300414,300427] [2024-12-02 15:27:12,287 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300564,300577] [2024-12-02 15:27:12,288 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300711,300724] [2024-12-02 15:27:12,288 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[300872,300885] [2024-12-02 15:27:12,288 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301042,301055] [2024-12-02 15:27:12,288 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i[301204,301217] [2024-12-02 15:27:12,291 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:27:12,512 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:27:12,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:12 WrapperNode [2024-12-02 15:27:12,513 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:27:12,514 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:27:12,514 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:27:12,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:27:12,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:12" (1/1) ... [2024-12-02 15:27:12,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:12" (1/1) ... [2024-12-02 15:27:12,706 INFO L138 Inliner]: procedures = 515, calls = 1391, calls flagged for inlining = 240, calls inlined = 170, statements flattened = 3246 [2024-12-02 15:27:12,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:27:12,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:27:12,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:27:12,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:27:12,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:12" (1/1) ... [2024-12-02 15:27:12,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:12" (1/1) ... [2024-12-02 15:27:12,735 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:12" (1/1) ... [2024-12-02 15:27:13,221 INFO L175 MemorySlicer]: Split 469 memory accesses to 12 slices as follows [25, 56, 1, 10, 8, 8, 7, 7, 288, 56, 1, 2]. 61 percent of accesses are in the largest equivalence class. The 73 initializations are split as follows [0, 56, 0, 0, 0, 0, 7, 0, 7, 0, 1, 2]. The 247 writes are split as follows [25, 0, 0, 9, 0, 4, 0, 1, 160, 48, 0, 0]. [2024-12-02 15:27:13,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:12" (1/1) ... [2024-12-02 15:27:13,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:12" (1/1) ... [2024-12-02 15:27:13,282 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:12" (1/1) ... [2024-12-02 15:27:13,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:12" (1/1) ... [2024-12-02 15:27:13,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:12" (1/1) ... [2024-12-02 15:27:13,318 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:12" (1/1) ... [2024-12-02 15:27:13,327 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:12" (1/1) ... [2024-12-02 15:27:13,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:27:13,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:27:13,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:27:13,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:27:13,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:12" (1/1) ... [2024-12-02 15:27:13,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:27:13,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:27:13,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:27:13,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:27:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2024-12-02 15:27:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2024-12-02 15:27:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2024-12-02 15:27:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2024-12-02 15:27:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-12-02 15:27:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-12-02 15:27:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_disable_irq [2024-12-02 15:27:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_disable_irq [2024-12-02 15:27:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_async [2024-12-02 15:27:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_async [2024-12-02 15:27:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-12-02 15:27:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-12-02 15:27:13,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-12-02 15:27:13,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-12-02 15:27:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 15:27:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-12-02 15:27:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2024-12-02 15:27:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2024-12-02 15:27:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2024-12-02 15:27:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2024-12-02 15:27:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_read_status [2024-12-02 15:27:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_read_status [2024-12-02 15:27:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-12-02 15:27:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-12-02 15:27:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_read_data [2024-12-02 15:27:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_read_data [2024-12-02 15:27:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-12-02 15:27:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-12-02 15:27:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2024-12-02 15:27:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2024-12-02 15:27:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 15:27:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2024-12-02 15:27:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2024-12-02 15:27:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_data_reverse [2024-12-02 15:27:13,413 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_data_reverse [2024-12-02 15:27:13,413 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#8 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#9 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#10 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#11 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-12-02 15:27:13,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-12-02 15:27:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-12-02 15:27:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2024-12-02 15:27:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2024-12-02 15:27:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-12-02 15:27:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-12-02 15:27:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure kref_get [2024-12-02 15:27:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_get [2024-12-02 15:27:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-12-02 15:27:13,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-12-02 15:27:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 15:27:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 15:27:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 15:27:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 15:27:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 15:27:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-12-02 15:27:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-12-02 15:27:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-12-02 15:27:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-12-02 15:27:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-12-02 15:27:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-12-02 15:27:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-12-02 15:27:13,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2024-12-02 15:27:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2024-12-02 15:27:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2024-12-02 15:27:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2024-12-02 15:27:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2024-12-02 15:27:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2024-12-02 15:27:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2024-12-02 15:27:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2024-12-02 15:27:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2024-12-02 15:27:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2024-12-02 15:27:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_dev_dbg [2024-12-02 15:27:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_dev_dbg [2024-12-02 15:27:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure submit_async_request [2024-12-02 15:27:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure submit_async_request [2024-12-02 15:27:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2024-12-02 15:27:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2024-12-02 15:27:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-12-02 15:27:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-12-02 15:27:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-12-02 15:27:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:27:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-12-02 15:27:13,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-12-02 15:27:13,416 INFO L130 BoogieDeclarations]: Found specification of procedure change_mode [2024-12-02 15:27:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure change_mode [2024-12-02 15:27:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-12-02 15:27:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-12-02 15:27:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-12-02 15:27:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-12-02 15:27:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-12-02 15:27:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-12-02 15:27:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-12-02 15:27:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-12-02 15:27:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-12-02 15:27:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-12-02 15:27:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-12-02 15:27:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-12-02 15:27:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 15:27:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-12-02 15:27:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2024-12-02 15:27:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2024-12-02 15:27:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_dev_usb_put_dev [2024-12-02 15:27:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_dev_usb_put_dev [2024-12-02 15:27:13,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2024-12-02 15:27:13,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2024-12-02 15:27:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2024-12-02 15:27:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2024-12-02 15:27:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2024-12-02 15:27:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2024-12-02 15:27:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure parport_generic_irq [2024-12-02 15:27:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_generic_irq [2024-12-02 15:27:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:27:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:27:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure get_1284_register [2024-12-02 15:27:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure get_1284_register [2024-12-02 15:27:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2024-12-02 15:27:13,418 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2024-12-02 15:27:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-12-02 15:27:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-12-02 15:27:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-12-02 15:27:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-12-02 15:27:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-12-02 15:27:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-12-02 15:27:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-12-02 15:27:13,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#8 [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#9 [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#10 [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#11 [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-12-02 15:27:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_asynclock_of_parport_uss720_private [2024-12-02 15:27:13,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_asynclock_of_parport_uss720_private [2024-12-02 15:27:13,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 15:27:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-12-02 15:27:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure set_1284_register [2024-12-02 15:27:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1284_register [2024-12-02 15:27:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2024-12-02 15:27:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2024-12-02 15:27:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2024-12-02 15:27:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2024-12-02 15:27:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 15:27:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2024-12-02 15:27:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2024-12-02 15:27:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2024-12-02 15:27:13,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2024-12-02 15:27:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-12-02 15:27:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-12-02 15:27:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-12-02 15:27:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-12-02 15:27:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-12-02 15:27:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-12-02 15:27:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-12-02 15:27:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-12-02 15:27:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-12-02 15:27:13,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-12-02 15:27:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-12-02 15:27:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-12-02 15:27:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure async_complete [2024-12-02 15:27:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure async_complete [2024-12-02 15:27:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_read_control [2024-12-02 15:27:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_read_control [2024-12-02 15:27:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-12-02 15:27:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-12-02 15:27:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2024-12-02 15:27:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2024-12-02 15:27:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2024-12-02 15:27:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2024-12-02 15:27:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2024-12-02 15:27:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2024-12-02 15:27:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_enable_irq [2024-12-02 15:27:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_enable_irq [2024-12-02 15:27:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2024-12-02 15:27:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2024-12-02 15:27:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-12-02 15:27:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-12-02 15:27:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure clear_epp_timeout [2024-12-02 15:27:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_epp_timeout [2024-12-02 15:27:13,421 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-12-02 15:27:13,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-12-02 15:27:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure uss720_disconnect [2024-12-02 15:27:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure uss720_disconnect [2024-12-02 15:27:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure parport_uss720_data_forward [2024-12-02 15:27:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_uss720_data_forward [2024-12-02 15:27:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2024-12-02 15:27:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2024-12-02 15:27:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure kill_all_async_requests_priv [2024-12-02 15:27:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_all_async_requests_priv [2024-12-02 15:27:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2024-12-02 15:27:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2024-12-02 15:27:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-12-02 15:27:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-12-02 15:27:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2024-12-02 15:27:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2024-12-02 15:27:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2024-12-02 15:27:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2024-12-02 15:27:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2024-12-02 15:27:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2024-12-02 15:27:13,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-12-02 15:27:13,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-12-02 15:27:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-12-02 15:27:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-12-02 15:27:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 15:27:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 15:27:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 15:27:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 15:27:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 15:27:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-12-02 15:27:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-12-02 15:27:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-12-02 15:27:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-12-02 15:27:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-12-02 15:27:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-12-02 15:27:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-12-02 15:27:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2024-12-02 15:27:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2024-12-02 15:27:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-12-02 15:27:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-12-02 15:27:13,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2024-12-02 15:27:13,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2024-12-02 15:27:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure kref_init [2024-12-02 15:27:13,424 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_init [2024-12-02 15:27:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-12-02 15:27:13,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-12-02 15:27:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-12-02 15:27:13,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-12-02 15:27:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:27:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 15:27:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 15:27:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 15:27:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 15:27:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-12-02 15:27:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-12-02 15:27:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-12-02 15:27:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-12-02 15:27:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-12-02 15:27:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-12-02 15:27:13,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-12-02 15:27:13,990 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:27:13,993 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:27:14,373 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-12-02 15:27:22,626 INFO L? ?]: Removed 1570 outVars from TransFormulas that were not future-live. [2024-12-02 15:27:22,626 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:27:22,655 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:27:22,655 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 15:27:22,655 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:27:22 BoogieIcfgContainer [2024-12-02 15:27:22,655 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:27:22,658 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:27:22,658 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:27:22,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:27:22,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:27:09" (1/3) ... [2024-12-02 15:27:22,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a55e707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:27:22, skipping insertion in model container [2024-12-02 15:27:22,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:27:12" (2/3) ... [2024-12-02 15:27:22,663 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a55e707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:27:22, skipping insertion in model container [2024-12-02 15:27:22,663 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:27:22" (3/3) ... [2024-12-02 15:27:22,664 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i [2024-12-02 15:27:22,676 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:27:22,679 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.0-rc1---drivers--usb--misc--uss720.ko.cil.i that has 78 procedures, 1215 locations, 1 initial locations, 2 loop locations, and 33 error locations. [2024-12-02 15:27:22,751 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:27:22,761 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;@3a4b1804, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:27:22,761 INFO L334 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2024-12-02 15:27:22,768 INFO L276 IsEmpty]: Start isEmpty. Operand has 1214 states, 828 states have (on average 1.3067632850241546) internal successors, (1082), 882 states have internal predecessors, (1082), 276 states have call successors, (276), 77 states have call predecessors, (276), 76 states have return successors, (272), 266 states have call predecessors, (272), 272 states have call successors, (272) [2024-12-02 15:27:22,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 15:27:22,775 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:22,776 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:22,776 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:27:22,780 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:22,780 INFO L85 PathProgramCache]: Analyzing trace with hash 484360122, now seen corresponding path program 1 times [2024-12-02 15:27:22,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:22,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184526075] [2024-12-02 15:27:22,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:22,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:26,318 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:27:26,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:26,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184526075] [2024-12-02 15:27:26,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184526075] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:26,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:26,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:27:26,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543495267] [2024-12-02 15:27:26,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:26,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:27:26,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:26,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:27:26,347 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:27:26,351 INFO L87 Difference]: Start difference. First operand has 1214 states, 828 states have (on average 1.3067632850241546) internal successors, (1082), 882 states have internal predecessors, (1082), 276 states have call successors, (276), 77 states have call predecessors, (276), 76 states have return successors, (272), 266 states have call predecessors, (272), 272 states have call successors, (272) Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-12-02 15:27:26,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:26,833 INFO L93 Difference]: Finished difference Result 2514 states and 3549 transitions. [2024-12-02 15:27:26,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:27:26,836 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 73 [2024-12-02 15:27:26,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:26,858 INFO L225 Difference]: With dead ends: 2514 [2024-12-02 15:27:26,858 INFO L226 Difference]: Without dead ends: 1349 [2024-12-02 15:27:26,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:27:26,872 INFO L435 NwaCegarLoop]: 1717 mSDtfsCounter, 121 mSDsluCounter, 8457 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 10174 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:26,873 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 10174 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:27:26,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2024-12-02 15:27:26,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1344. [2024-12-02 15:27:26,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1344 states, 916 states have (on average 1.252183406113537) internal successors, (1147), 972 states have internal predecessors, (1147), 320 states have call successors, (320), 76 states have call predecessors, (320), 75 states have return successors, (318), 312 states have call predecessors, (318), 318 states have call successors, (318) [2024-12-02 15:27:26,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1785 transitions. [2024-12-02 15:27:26,995 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1785 transitions. Word has length 73 [2024-12-02 15:27:26,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:26,997 INFO L471 AbstractCegarLoop]: Abstraction has 1344 states and 1785 transitions. [2024-12-02 15:27:26,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-12-02 15:27:26,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1785 transitions. [2024-12-02 15:27:27,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-02 15:27:27,000 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:27,000 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:27,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 15:27:27,001 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:27:27,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:27,001 INFO L85 PathProgramCache]: Analyzing trace with hash 50631036, now seen corresponding path program 1 times [2024-12-02 15:27:27,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:27,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902670836] [2024-12-02 15:27:27,002 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:27,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:28,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:29,434 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:27:29,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:29,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902670836] [2024-12-02 15:27:29,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902670836] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:29,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:29,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:27:29,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529438254] [2024-12-02 15:27:29,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:29,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:27:29,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:29,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:27:29,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:27:29,439 INFO L87 Difference]: Start difference. First operand 1344 states and 1785 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 15:27:29,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:29,571 INFO L93 Difference]: Finished difference Result 1344 states and 1785 transitions. [2024-12-02 15:27:29,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:27:29,572 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 73 [2024-12-02 15:27:29,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:29,581 INFO L225 Difference]: With dead ends: 1344 [2024-12-02 15:27:29,581 INFO L226 Difference]: Without dead ends: 1342 [2024-12-02 15:27:29,582 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 [2024-12-02 15:27:29,583 INFO L435 NwaCegarLoop]: 1564 mSDtfsCounter, 1532 mSDsluCounter, 1563 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1532 SdHoareTripleChecker+Valid, 3127 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:29,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1532 Valid, 3127 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:27:29,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2024-12-02 15:27:29,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1342. [2024-12-02 15:27:29,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 915 states have (on average 1.2513661202185793) internal successors, (1145), 970 states have internal predecessors, (1145), 320 states have call successors, (320), 76 states have call predecessors, (320), 75 states have return successors, (318), 312 states have call predecessors, (318), 318 states have call successors, (318) [2024-12-02 15:27:29,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1783 transitions. [2024-12-02 15:27:29,654 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1783 transitions. Word has length 73 [2024-12-02 15:27:29,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:29,655 INFO L471 AbstractCegarLoop]: Abstraction has 1342 states and 1783 transitions. [2024-12-02 15:27:29,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-12-02 15:27:29,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1783 transitions. [2024-12-02 15:27:29,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-02 15:27:29,658 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:29,658 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:29,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:27:29,658 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:27:29,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:29,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1549341362, now seen corresponding path program 1 times [2024-12-02 15:27:29,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:29,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554684170] [2024-12-02 15:27:29,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:29,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:31,847 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:27:31,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:31,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554684170] [2024-12-02 15:27:31,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554684170] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:31,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:31,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:27:31,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463412563] [2024-12-02 15:27:31,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:31,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:27:31,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:31,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:27:31,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:27:31,849 INFO L87 Difference]: Start difference. First operand 1342 states and 1783 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:27:31,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:31,996 INFO L93 Difference]: Finished difference Result 1342 states and 1783 transitions. [2024-12-02 15:27:31,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:27:31,997 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 79 [2024-12-02 15:27:31,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:32,006 INFO L225 Difference]: With dead ends: 1342 [2024-12-02 15:27:32,006 INFO L226 Difference]: Without dead ends: 1340 [2024-12-02 15:27:32,007 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 [2024-12-02 15:27:32,008 INFO L435 NwaCegarLoop]: 1562 mSDtfsCounter, 1529 mSDsluCounter, 1561 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 SdHoareTripleChecker+Valid, 3123 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:32,009 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1529 Valid, 3123 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:27:32,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1340 states. [2024-12-02 15:27:32,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1340 to 1340. [2024-12-02 15:27:32,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1340 states, 914 states have (on average 1.25054704595186) internal successors, (1143), 968 states have internal predecessors, (1143), 320 states have call successors, (320), 76 states have call predecessors, (320), 75 states have return successors, (318), 312 states have call predecessors, (318), 318 states have call successors, (318) [2024-12-02 15:27:32,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1781 transitions. [2024-12-02 15:27:32,086 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1781 transitions. Word has length 79 [2024-12-02 15:27:32,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:32,087 INFO L471 AbstractCegarLoop]: Abstraction has 1340 states and 1781 transitions. [2024-12-02 15:27:32,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-12-02 15:27:32,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1781 transitions. [2024-12-02 15:27:32,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-02 15:27:32,089 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:32,089 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:32,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:27:32,089 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:27:32,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:32,090 INFO L85 PathProgramCache]: Analyzing trace with hash 954445887, now seen corresponding path program 1 times [2024-12-02 15:27:32,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:32,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650519552] [2024-12-02 15:27:32,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:32,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:34,352 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:27:34,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:34,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650519552] [2024-12-02 15:27:34,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650519552] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:34,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:34,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:27:34,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492979732] [2024-12-02 15:27:34,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:34,353 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:27:34,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:34,354 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:27:34,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:27:34,354 INFO L87 Difference]: Start difference. First operand 1340 states and 1781 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 15:27:34,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:34,480 INFO L93 Difference]: Finished difference Result 1340 states and 1781 transitions. [2024-12-02 15:27:34,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:27:34,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 85 [2024-12-02 15:27:34,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:34,490 INFO L225 Difference]: With dead ends: 1340 [2024-12-02 15:27:34,490 INFO L226 Difference]: Without dead ends: 1338 [2024-12-02 15:27:34,491 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 [2024-12-02 15:27:34,492 INFO L435 NwaCegarLoop]: 1560 mSDtfsCounter, 1526 mSDsluCounter, 1559 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1526 SdHoareTripleChecker+Valid, 3119 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:34,492 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1526 Valid, 3119 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:27:34,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1338 states. [2024-12-02 15:27:34,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1338 to 1338. [2024-12-02 15:27:34,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1338 states, 913 states have (on average 1.2497261774370207) internal successors, (1141), 966 states have internal predecessors, (1141), 320 states have call successors, (320), 76 states have call predecessors, (320), 75 states have return successors, (318), 312 states have call predecessors, (318), 318 states have call successors, (318) [2024-12-02 15:27:34,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1338 states to 1338 states and 1779 transitions. [2024-12-02 15:27:34,574 INFO L78 Accepts]: Start accepts. Automaton has 1338 states and 1779 transitions. Word has length 85 [2024-12-02 15:27:34,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:34,575 INFO L471 AbstractCegarLoop]: Abstraction has 1338 states and 1779 transitions. [2024-12-02 15:27:34,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-12-02 15:27:34,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1779 transitions. [2024-12-02 15:27:34,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-02 15:27:34,576 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:34,577 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:34,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:27:34,577 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:27:34,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:34,577 INFO L85 PathProgramCache]: Analyzing trace with hash -1622806268, now seen corresponding path program 1 times [2024-12-02 15:27:34,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:34,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567548795] [2024-12-02 15:27:34,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:34,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:36,705 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:27:36,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:36,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567548795] [2024-12-02 15:27:36,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567548795] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:36,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:36,705 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:27:36,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057375521] [2024-12-02 15:27:36,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:36,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:27:36,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:36,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:27:36,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:27:36,707 INFO L87 Difference]: Start difference. First operand 1338 states and 1779 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 15:27:36,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:36,816 INFO L93 Difference]: Finished difference Result 1338 states and 1779 transitions. [2024-12-02 15:27:36,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:27:36,817 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 91 [2024-12-02 15:27:36,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:36,823 INFO L225 Difference]: With dead ends: 1338 [2024-12-02 15:27:36,824 INFO L226 Difference]: Without dead ends: 1336 [2024-12-02 15:27:36,824 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 [2024-12-02 15:27:36,825 INFO L435 NwaCegarLoop]: 1558 mSDtfsCounter, 1523 mSDsluCounter, 1557 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1523 SdHoareTripleChecker+Valid, 3115 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:36,825 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1523 Valid, 3115 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:27:36,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2024-12-02 15:27:36,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1336. [2024-12-02 15:27:36,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1336 states, 912 states have (on average 1.2489035087719298) internal successors, (1139), 964 states have internal predecessors, (1139), 320 states have call successors, (320), 76 states have call predecessors, (320), 75 states have return successors, (318), 312 states have call predecessors, (318), 318 states have call successors, (318) [2024-12-02 15:27:36,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1336 states and 1777 transitions. [2024-12-02 15:27:36,885 INFO L78 Accepts]: Start accepts. Automaton has 1336 states and 1777 transitions. Word has length 91 [2024-12-02 15:27:36,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:36,886 INFO L471 AbstractCegarLoop]: Abstraction has 1336 states and 1777 transitions. [2024-12-02 15:27:36,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-12-02 15:27:36,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1777 transitions. [2024-12-02 15:27:36,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-02 15:27:36,887 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:36,888 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:36,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:27:36,888 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:27:36,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:36,888 INFO L85 PathProgramCache]: Analyzing trace with hash -44842203, now seen corresponding path program 1 times [2024-12-02 15:27:36,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:36,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211806167] [2024-12-02 15:27:36,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:36,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:39,079 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:27:39,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:39,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211806167] [2024-12-02 15:27:39,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211806167] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:39,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:39,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:27:39,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336168932] [2024-12-02 15:27:39,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:39,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:27:39,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:39,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:27:39,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:27:39,081 INFO L87 Difference]: Start difference. First operand 1336 states and 1777 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:27:39,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:39,197 INFO L93 Difference]: Finished difference Result 1336 states and 1777 transitions. [2024-12-02 15:27:39,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:27:39,197 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 97 [2024-12-02 15:27:39,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:39,204 INFO L225 Difference]: With dead ends: 1336 [2024-12-02 15:27:39,204 INFO L226 Difference]: Without dead ends: 1334 [2024-12-02 15:27:39,204 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 [2024-12-02 15:27:39,205 INFO L435 NwaCegarLoop]: 1556 mSDtfsCounter, 1520 mSDsluCounter, 1555 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1520 SdHoareTripleChecker+Valid, 3111 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:39,205 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1520 Valid, 3111 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:27:39,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1334 states. [2024-12-02 15:27:39,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1334 to 1334. [2024-12-02 15:27:39,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1334 states, 911 states have (on average 1.2480790340285401) internal successors, (1137), 962 states have internal predecessors, (1137), 320 states have call successors, (320), 76 states have call predecessors, (320), 75 states have return successors, (318), 312 states have call predecessors, (318), 318 states have call successors, (318) [2024-12-02 15:27:39,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1775 transitions. [2024-12-02 15:27:39,296 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1775 transitions. Word has length 97 [2024-12-02 15:27:39,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:39,297 INFO L471 AbstractCegarLoop]: Abstraction has 1334 states and 1775 transitions. [2024-12-02 15:27:39,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-12-02 15:27:39,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1775 transitions. [2024-12-02 15:27:39,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-02 15:27:39,298 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:39,298 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:39,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:27:39,299 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:27:39,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:39,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1778271008, now seen corresponding path program 1 times [2024-12-02 15:27:39,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:39,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33306007] [2024-12-02 15:27:39,299 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:39,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:41,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:41,539 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:27:41,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:41,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33306007] [2024-12-02 15:27:41,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33306007] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:41,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:41,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:27:41,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049044009] [2024-12-02 15:27:41,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:41,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:27:41,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:41,541 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:27:41,541 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:27:41,541 INFO L87 Difference]: Start difference. First operand 1334 states and 1775 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 15:27:41,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:41,708 INFO L93 Difference]: Finished difference Result 1334 states and 1775 transitions. [2024-12-02 15:27:41,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:27:41,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 103 [2024-12-02 15:27:41,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:41,718 INFO L225 Difference]: With dead ends: 1334 [2024-12-02 15:27:41,718 INFO L226 Difference]: Without dead ends: 1332 [2024-12-02 15:27:41,719 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 [2024-12-02 15:27:41,720 INFO L435 NwaCegarLoop]: 1554 mSDtfsCounter, 1517 mSDsluCounter, 1553 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1517 SdHoareTripleChecker+Valid, 3107 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:41,720 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1517 Valid, 3107 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:27:41,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1332 states. [2024-12-02 15:27:41,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1332 to 1332. [2024-12-02 15:27:41,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 910 states have (on average 1.2472527472527473) internal successors, (1135), 960 states have internal predecessors, (1135), 320 states have call successors, (320), 76 states have call predecessors, (320), 75 states have return successors, (318), 312 states have call predecessors, (318), 318 states have call successors, (318) [2024-12-02 15:27:41,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1773 transitions. [2024-12-02 15:27:41,820 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1773 transitions. Word has length 103 [2024-12-02 15:27:41,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:41,820 INFO L471 AbstractCegarLoop]: Abstraction has 1332 states and 1773 transitions. [2024-12-02 15:27:41,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 15:27:41,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1773 transitions. [2024-12-02 15:27:41,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-02 15:27:41,823 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:41,823 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:41,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 15:27:41,823 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:27:41,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:41,824 INFO L85 PathProgramCache]: Analyzing trace with hash 60630436, now seen corresponding path program 1 times [2024-12-02 15:27:41,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:41,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731918968] [2024-12-02 15:27:41,824 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:41,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:44,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:44,333 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:27:44,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:44,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731918968] [2024-12-02 15:27:44,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731918968] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:44,334 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:44,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:27:44,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355113943] [2024-12-02 15:27:44,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:44,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:27:44,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:44,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:27:44,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:27:44,336 INFO L87 Difference]: Start difference. First operand 1332 states and 1773 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:27:44,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:44,496 INFO L93 Difference]: Finished difference Result 1332 states and 1773 transitions. [2024-12-02 15:27:44,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:27:44,497 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 109 [2024-12-02 15:27:44,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:44,506 INFO L225 Difference]: With dead ends: 1332 [2024-12-02 15:27:44,506 INFO L226 Difference]: Without dead ends: 1330 [2024-12-02 15:27:44,507 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 [2024-12-02 15:27:44,507 INFO L435 NwaCegarLoop]: 1552 mSDtfsCounter, 1514 mSDsluCounter, 1551 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 3103 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:44,508 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1514 Valid, 3103 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:27:44,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1330 states. [2024-12-02 15:27:44,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1330 to 1330. [2024-12-02 15:27:44,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1330 states, 909 states have (on average 1.2464246424642464) internal successors, (1133), 958 states have internal predecessors, (1133), 320 states have call successors, (320), 76 states have call predecessors, (320), 75 states have return successors, (318), 312 states have call predecessors, (318), 318 states have call successors, (318) [2024-12-02 15:27:44,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1330 states and 1771 transitions. [2024-12-02 15:27:44,605 INFO L78 Accepts]: Start accepts. Automaton has 1330 states and 1771 transitions. Word has length 109 [2024-12-02 15:27:44,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:44,606 INFO L471 AbstractCegarLoop]: Abstraction has 1330 states and 1771 transitions. [2024-12-02 15:27:44,606 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:27:44,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1771 transitions. [2024-12-02 15:27:44,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-02 15:27:44,608 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:44,608 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:44,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 15:27:44,609 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:27:44,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:44,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1689294610, now seen corresponding path program 1 times [2024-12-02 15:27:44,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:44,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205324158] [2024-12-02 15:27:44,609 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:44,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:47,100 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:27:47,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:47,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205324158] [2024-12-02 15:27:47,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205324158] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:47,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:47,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:27:47,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449558260] [2024-12-02 15:27:47,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:47,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:27:47,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:47,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:27:47,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:27:47,101 INFO L87 Difference]: Start difference. First operand 1330 states and 1771 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 15:27:47,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:47,297 INFO L93 Difference]: Finished difference Result 2500 states and 3395 transitions. [2024-12-02 15:27:47,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:27:47,298 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 115 [2024-12-02 15:27:47,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:47,309 INFO L225 Difference]: With dead ends: 2500 [2024-12-02 15:27:47,309 INFO L226 Difference]: Without dead ends: 2498 [2024-12-02 15:27:47,311 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:27:47,312 INFO L435 NwaCegarLoop]: 1701 mSDtfsCounter, 1494 mSDsluCounter, 3155 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 4856 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:47,312 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1494 Valid, 4856 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:27:47,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2024-12-02 15:27:47,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2364. [2024-12-02 15:27:47,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2364 states, 1640 states have (on average 1.2518292682926828) internal successors, (2053), 1703 states have internal predecessors, (2053), 560 states have call successors, (560), 139 states have call predecessors, (560), 138 states have return successors, (646), 548 states have call predecessors, (646), 558 states have call successors, (646) [2024-12-02 15:27:47,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 2364 states and 3259 transitions. [2024-12-02 15:27:47,454 INFO L78 Accepts]: Start accepts. Automaton has 2364 states and 3259 transitions. Word has length 115 [2024-12-02 15:27:47,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:47,454 INFO L471 AbstractCegarLoop]: Abstraction has 2364 states and 3259 transitions. [2024-12-02 15:27:47,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 15:27:47,454 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 3259 transitions. [2024-12-02 15:27:47,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-02 15:27:47,457 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:47,457 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:47,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-12-02 15:27:47,457 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:27:47,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:47,457 INFO L85 PathProgramCache]: Analyzing trace with hash 867832817, now seen corresponding path program 1 times [2024-12-02 15:27:47,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:47,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692312965] [2024-12-02 15:27:47,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:47,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:50,405 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-02 15:27:50,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:50,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692312965] [2024-12-02 15:27:50,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692312965] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:50,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:50,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:27:50,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450759474] [2024-12-02 15:27:50,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:50,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:27:50,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:50,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:27:50,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:27:50,407 INFO L87 Difference]: Start difference. First operand 2364 states and 3259 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:27:50,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:50,910 INFO L93 Difference]: Finished difference Result 4561 states and 6386 transitions. [2024-12-02 15:27:50,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:27:50,911 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 127 [2024-12-02 15:27:50,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:50,929 INFO L225 Difference]: With dead ends: 4561 [2024-12-02 15:27:50,930 INFO L226 Difference]: Without dead ends: 2372 [2024-12-02 15:27:50,945 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:27:50,946 INFO L435 NwaCegarLoop]: 1552 mSDtfsCounter, 0 mSDsluCounter, 4645 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6197 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:50,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6197 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 15:27:50,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2372 states. [2024-12-02 15:27:51,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2372 to 2372. [2024-12-02 15:27:51,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2372 states, 1646 states have (on average 1.2509113001215066) internal successors, (2059), 1709 states have internal predecessors, (2059), 560 states have call successors, (560), 139 states have call predecessors, (560), 140 states have return successors, (650), 550 states have call predecessors, (650), 558 states have call successors, (650) [2024-12-02 15:27:51,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 2372 states and 3269 transitions. [2024-12-02 15:27:51,138 INFO L78 Accepts]: Start accepts. Automaton has 2372 states and 3269 transitions. Word has length 127 [2024-12-02 15:27:51,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:51,138 INFO L471 AbstractCegarLoop]: Abstraction has 2372 states and 3269 transitions. [2024-12-02 15:27:51,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 4 states have internal predecessors, (64), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:27:51,139 INFO L276 IsEmpty]: Start isEmpty. Operand 2372 states and 3269 transitions. [2024-12-02 15:27:51,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-02 15:27:51,141 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:51,141 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:51,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 15:27:51,142 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:27:51,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:51,142 INFO L85 PathProgramCache]: Analyzing trace with hash -85379051, now seen corresponding path program 1 times [2024-12-02 15:27:51,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:51,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100302811] [2024-12-02 15:27:51,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:51,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:53,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:53,438 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:27:53,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:53,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100302811] [2024-12-02 15:27:53,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100302811] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:53,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:53,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:27:53,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1226228516] [2024-12-02 15:27:53,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:53,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:27:53,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:53,439 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:27:53,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:27:53,440 INFO L87 Difference]: Start difference. First operand 2372 states and 3269 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 15:27:53,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:27:53,594 INFO L93 Difference]: Finished difference Result 2372 states and 3269 transitions. [2024-12-02 15:27:53,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:27:53,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 117 [2024-12-02 15:27:53,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:27:53,605 INFO L225 Difference]: With dead ends: 2372 [2024-12-02 15:27:53,605 INFO L226 Difference]: Without dead ends: 2370 [2024-12-02 15:27:53,606 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 [2024-12-02 15:27:53,607 INFO L435 NwaCegarLoop]: 1549 mSDtfsCounter, 1509 mSDsluCounter, 1548 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1509 SdHoareTripleChecker+Valid, 3097 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:27:53,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1509 Valid, 3097 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:27:53,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2370 states. [2024-12-02 15:27:53,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2370 to 2370. [2024-12-02 15:27:53,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2370 states, 1645 states have (on average 1.2498480243161094) internal successors, (2056), 1707 states have internal predecessors, (2056), 560 states have call successors, (560), 139 states have call predecessors, (560), 140 states have return successors, (650), 550 states have call predecessors, (650), 558 states have call successors, (650) [2024-12-02 15:27:53,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2370 states and 3266 transitions. [2024-12-02 15:27:53,726 INFO L78 Accepts]: Start accepts. Automaton has 2370 states and 3266 transitions. Word has length 117 [2024-12-02 15:27:53,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:27:53,726 INFO L471 AbstractCegarLoop]: Abstraction has 2370 states and 3266 transitions. [2024-12-02 15:27:53,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 15:27:53,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 3266 transitions. [2024-12-02 15:27:53,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 15:27:53,728 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:27:53,728 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:27:53,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 15:27:53,728 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:27:53,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:27:53,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1573352016, now seen corresponding path program 1 times [2024-12-02 15:27:53,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:27:53,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614408674] [2024-12-02 15:27:53,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:27:53,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:27:55,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:27:57,297 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-02 15:27:57,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:27:57,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614408674] [2024-12-02 15:27:57,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614408674] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:27:57,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:27:57,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:27:57,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070406882] [2024-12-02 15:27:57,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:27:57,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:27:57,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:27:57,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:27:57,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:27:57,300 INFO L87 Difference]: Start difference. First operand 2370 states and 3266 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:28:01,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:05,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:05,514 INFO L93 Difference]: Finished difference Result 4633 states and 6652 transitions. [2024-12-02 15:28:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 15:28:05,515 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) Word has length 131 [2024-12-02 15:28:05,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:05,537 INFO L225 Difference]: With dead ends: 4633 [2024-12-02 15:28:05,537 INFO L226 Difference]: Without dead ends: 2370 [2024-12-02 15:28:05,560 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:28:05,560 INFO L435 NwaCegarLoop]: 1548 mSDtfsCounter, 1492 mSDsluCounter, 4098 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1493 SdHoareTripleChecker+Valid, 5646 SdHoareTripleChecker+Invalid, 554 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:05,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1493 Valid, 5646 Invalid, 554 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 553 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2024-12-02 15:28:05,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2370 states. [2024-12-02 15:28:05,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2370 to 2370. [2024-12-02 15:28:05,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2370 states, 1645 states have (on average 1.2486322188449848) internal successors, (2054), 1707 states have internal predecessors, (2054), 560 states have call successors, (560), 139 states have call predecessors, (560), 140 states have return successors, (650), 550 states have call predecessors, (650), 558 states have call successors, (650) [2024-12-02 15:28:05,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2370 states and 3264 transitions. [2024-12-02 15:28:05,839 INFO L78 Accepts]: Start accepts. Automaton has 2370 states and 3264 transitions. Word has length 131 [2024-12-02 15:28:05,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:05,839 INFO L471 AbstractCegarLoop]: Abstraction has 2370 states and 3264 transitions. [2024-12-02 15:28:05,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 5 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (18), 3 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:28:05,839 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 3264 transitions. [2024-12-02 15:28:05,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-12-02 15:28:05,842 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:05,842 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:28:05,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 15:28:05,842 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:28:05,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:05,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1573292434, now seen corresponding path program 1 times [2024-12-02 15:28:05,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:05,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073161825] [2024-12-02 15:28:05,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:05,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:08,096 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-02 15:28:08,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:08,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073161825] [2024-12-02 15:28:08,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073161825] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:08,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:08,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:28:08,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130109367] [2024-12-02 15:28:08,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:08,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:28:08,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:08,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:28:08,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:28:08,098 INFO L87 Difference]: Start difference. First operand 2370 states and 3264 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:28:08,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:08,261 INFO L93 Difference]: Finished difference Result 2370 states and 3264 transitions. [2024-12-02 15:28:08,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:28:08,262 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 131 [2024-12-02 15:28:08,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:08,271 INFO L225 Difference]: With dead ends: 2370 [2024-12-02 15:28:08,271 INFO L226 Difference]: Without dead ends: 2368 [2024-12-02 15:28:08,272 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:28:08,273 INFO L435 NwaCegarLoop]: 1547 mSDtfsCounter, 0 mSDsluCounter, 3091 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4638 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:08,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4638 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:28:08,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2368 states. [2024-12-02 15:28:08,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2368 to 2368. [2024-12-02 15:28:08,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2368 states, 1644 states have (on average 1.247566909975669) internal successors, (2051), 1705 states have internal predecessors, (2051), 560 states have call successors, (560), 139 states have call predecessors, (560), 140 states have return successors, (650), 550 states have call predecessors, (650), 558 states have call successors, (650) [2024-12-02 15:28:08,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2368 states and 3261 transitions. [2024-12-02 15:28:08,393 INFO L78 Accepts]: Start accepts. Automaton has 2368 states and 3261 transitions. Word has length 131 [2024-12-02 15:28:08,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:08,393 INFO L471 AbstractCegarLoop]: Abstraction has 2368 states and 3261 transitions. [2024-12-02 15:28:08,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-12-02 15:28:08,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 3261 transitions. [2024-12-02 15:28:08,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-12-02 15:28:08,396 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:08,396 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:28:08,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-12-02 15:28:08,396 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:28:08,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:08,397 INFO L85 PathProgramCache]: Analyzing trace with hash 2025619641, now seen corresponding path program 1 times [2024-12-02 15:28:08,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:08,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641342118] [2024-12-02 15:28:08,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:08,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:10,499 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:28:10,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:10,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641342118] [2024-12-02 15:28:10,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641342118] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:10,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:10,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:28:10,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592239920] [2024-12-02 15:28:10,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:10,500 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:28:10,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:10,500 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:28:10,500 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:28:10,500 INFO L87 Difference]: Start difference. First operand 2368 states and 3261 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:28:10,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:10,651 INFO L93 Difference]: Finished difference Result 2368 states and 3261 transitions. [2024-12-02 15:28:10,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:28:10,652 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 123 [2024-12-02 15:28:10,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:10,664 INFO L225 Difference]: With dead ends: 2368 [2024-12-02 15:28:10,664 INFO L226 Difference]: Without dead ends: 2366 [2024-12-02 15:28:10,665 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 [2024-12-02 15:28:10,666 INFO L435 NwaCegarLoop]: 1545 mSDtfsCounter, 1505 mSDsluCounter, 1544 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1505 SdHoareTripleChecker+Valid, 3089 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:10,666 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1505 Valid, 3089 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:28:10,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2366 states. [2024-12-02 15:28:10,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2366 to 2366. [2024-12-02 15:28:10,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2366 states, 1643 states have (on average 1.2471089470480827) internal successors, (2049), 1703 states have internal predecessors, (2049), 560 states have call successors, (560), 139 states have call predecessors, (560), 140 states have return successors, (650), 550 states have call predecessors, (650), 558 states have call successors, (650) [2024-12-02 15:28:10,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 2366 states and 3259 transitions. [2024-12-02 15:28:10,862 INFO L78 Accepts]: Start accepts. Automaton has 2366 states and 3259 transitions. Word has length 123 [2024-12-02 15:28:10,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:10,862 INFO L471 AbstractCegarLoop]: Abstraction has 2366 states and 3259 transitions. [2024-12-02 15:28:10,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-12-02 15:28:10,863 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 3259 transitions. [2024-12-02 15:28:10,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 15:28:10,866 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:10,866 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:28:10,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-12-02 15:28:10,866 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:28:10,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:10,867 INFO L85 PathProgramCache]: Analyzing trace with hash -715082059, now seen corresponding path program 1 times [2024-12-02 15:28:10,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:10,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125993792] [2024-12-02 15:28:10,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:10,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:14,543 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-12-02 15:28:14,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:14,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125993792] [2024-12-02 15:28:14,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125993792] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:14,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:14,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:28:14,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355477356] [2024-12-02 15:28:14,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:14,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:28:14,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:14,545 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:28:14,545 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:28:14,546 INFO L87 Difference]: Start difference. First operand 2366 states and 3259 transitions. Second operand has 9 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 15:28:15,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:15,443 INFO L93 Difference]: Finished difference Result 4477 states and 6122 transitions. [2024-12-02 15:28:15,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:28:15,444 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 166 [2024-12-02 15:28:15,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:15,460 INFO L225 Difference]: With dead ends: 4477 [2024-12-02 15:28:15,460 INFO L226 Difference]: Without dead ends: 2412 [2024-12-02 15:28:15,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:28:15,470 INFO L435 NwaCegarLoop]: 1542 mSDtfsCounter, 12 mSDsluCounter, 10776 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 12318 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:15,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 12318 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:28:15,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2412 states. [2024-12-02 15:28:15,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2412 to 2392. [2024-12-02 15:28:15,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2392 states, 1662 states have (on average 1.246690734055355) internal successors, (2072), 1724 states have internal predecessors, (2072), 566 states have call successors, (566), 140 states have call predecessors, (566), 141 states have return successors, (656), 554 states have call predecessors, (656), 564 states have call successors, (656) [2024-12-02 15:28:15,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 2392 states and 3294 transitions. [2024-12-02 15:28:15,661 INFO L78 Accepts]: Start accepts. Automaton has 2392 states and 3294 transitions. Word has length 166 [2024-12-02 15:28:15,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:15,661 INFO L471 AbstractCegarLoop]: Abstraction has 2392 states and 3294 transitions. [2024-12-02 15:28:15,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-12-02 15:28:15,662 INFO L276 IsEmpty]: Start isEmpty. Operand 2392 states and 3294 transitions. [2024-12-02 15:28:15,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-02 15:28:15,665 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:15,665 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:28:15,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-12-02 15:28:15,665 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:28:15,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:15,666 INFO L85 PathProgramCache]: Analyzing trace with hash 873265843, now seen corresponding path program 1 times [2024-12-02 15:28:15,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:15,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137334701] [2024-12-02 15:28:15,666 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:15,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:17,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:18,025 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-12-02 15:28:18,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:18,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137334701] [2024-12-02 15:28:18,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137334701] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:18,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:18,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:28:18,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187318289] [2024-12-02 15:28:18,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:18,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:28:18,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:18,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:28:18,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:28:18,027 INFO L87 Difference]: Start difference. First operand 2392 states and 3294 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 15:28:22,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:30,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:30,360 INFO L93 Difference]: Finished difference Result 6888 states and 10257 transitions. [2024-12-02 15:28:30,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:28:30,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 166 [2024-12-02 15:28:30,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:30,389 INFO L225 Difference]: With dead ends: 6888 [2024-12-02 15:28:30,390 INFO L226 Difference]: Without dead ends: 4665 [2024-12-02 15:28:30,402 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:28:30,402 INFO L435 NwaCegarLoop]: 3108 mSDtfsCounter, 3069 mSDsluCounter, 5073 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3069 SdHoareTripleChecker+Valid, 8181 SdHoareTripleChecker+Invalid, 1170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:30,403 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3069 Valid, 8181 Invalid, 1170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1165 Invalid, 1 Unknown, 0 Unchecked, 11.8s Time] [2024-12-02 15:28:30,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4665 states. [2024-12-02 15:28:30,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4665 to 4394. [2024-12-02 15:28:30,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4394 states, 3079 states have (on average 1.25462812601494) internal successors, (3863), 3172 states have internal predecessors, (3863), 1038 states have call successors, (1038), 251 states have call predecessors, (1038), 254 states have return successors, (1488), 1020 states have call predecessors, (1488), 1036 states have call successors, (1488) [2024-12-02 15:28:30,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4394 states to 4394 states and 6389 transitions. [2024-12-02 15:28:30,645 INFO L78 Accepts]: Start accepts. Automaton has 4394 states and 6389 transitions. Word has length 166 [2024-12-02 15:28:30,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:30,645 INFO L471 AbstractCegarLoop]: Abstraction has 4394 states and 6389 transitions. [2024-12-02 15:28:30,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 15:28:30,646 INFO L276 IsEmpty]: Start isEmpty. Operand 4394 states and 6389 transitions. [2024-12-02 15:28:30,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-12-02 15:28:30,648 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:30,648 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:28:30,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-12-02 15:28:30,648 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:28:30,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:30,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1704195124, now seen corresponding path program 1 times [2024-12-02 15:28:30,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:30,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587378971] [2024-12-02 15:28:30,649 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:30,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:32,555 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-12-02 15:28:32,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:32,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587378971] [2024-12-02 15:28:32,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587378971] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:32,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:32,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:28:32,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186940349] [2024-12-02 15:28:32,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:32,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:28:32,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:32,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:28:32,557 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:28:32,557 INFO L87 Difference]: Start difference. First operand 4394 states and 6389 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 15:28:32,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:32,799 INFO L93 Difference]: Finished difference Result 8629 states and 13366 transitions. [2024-12-02 15:28:32,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:28:32,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 138 [2024-12-02 15:28:32,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:32,816 INFO L225 Difference]: With dead ends: 8629 [2024-12-02 15:28:32,816 INFO L226 Difference]: Without dead ends: 4384 [2024-12-02 15:28:32,836 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:28:32,836 INFO L435 NwaCegarLoop]: 1540 mSDtfsCounter, 1482 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1482 SdHoareTripleChecker+Valid, 1540 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:32,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1482 Valid, 1540 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:28:32,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4384 states. [2024-12-02 15:28:33,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4384 to 4384. [2024-12-02 15:28:33,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4384 states, 3070 states have (on average 1.2527687296416938) internal successors, (3846), 3162 states have internal predecessors, (3846), 1038 states have call successors, (1038), 251 states have call predecessors, (1038), 254 states have return successors, (1488), 1020 states have call predecessors, (1488), 1036 states have call successors, (1488) [2024-12-02 15:28:33,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4384 states to 4384 states and 6372 transitions. [2024-12-02 15:28:33,067 INFO L78 Accepts]: Start accepts. Automaton has 4384 states and 6372 transitions. Word has length 138 [2024-12-02 15:28:33,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:33,068 INFO L471 AbstractCegarLoop]: Abstraction has 4384 states and 6372 transitions. [2024-12-02 15:28:33,068 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 15:28:33,068 INFO L276 IsEmpty]: Start isEmpty. Operand 4384 states and 6372 transitions. [2024-12-02 15:28:33,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-12-02 15:28:33,070 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:33,071 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:28:33,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-12-02 15:28:33,071 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_usb_dev_usb_put_devErr1ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:28:33,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:33,071 INFO L85 PathProgramCache]: Analyzing trace with hash 284816696, now seen corresponding path program 1 times [2024-12-02 15:28:33,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:33,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601360878] [2024-12-02 15:28:33,072 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:33,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:35,651 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-12-02 15:28:35,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:35,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601360878] [2024-12-02 15:28:35,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601360878] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:35,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:35,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-12-02 15:28:35,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142911499] [2024-12-02 15:28:35,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:35,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:28:35,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:35,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:28:35,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-12-02 15:28:35,653 INFO L87 Difference]: Start difference. First operand 4384 states and 6372 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 15:28:39,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:43,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:28:53,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:53,111 INFO L93 Difference]: Finished difference Result 4653 states and 6660 transitions. [2024-12-02 15:28:53,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:28:53,112 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 168 [2024-12-02 15:28:53,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:53,129 INFO L225 Difference]: With dead ends: 4653 [2024-12-02 15:28:53,129 INFO L226 Difference]: Without dead ends: 4651 [2024-12-02 15:28:53,131 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:28:53,131 INFO L435 NwaCegarLoop]: 3096 mSDtfsCounter, 4013 mSDsluCounter, 5047 mSDsCounter, 0 mSdLazyCounter, 1167 mSolverCounterSat, 514 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4013 SdHoareTripleChecker+Valid, 8143 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 514 IncrementalHoareTripleChecker+Valid, 1167 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:53,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4013 Valid, 8143 Invalid, 1683 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [514 Valid, 1167 Invalid, 2 Unknown, 0 Unchecked, 16.9s Time] [2024-12-02 15:28:53,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4651 states. [2024-12-02 15:28:53,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4651 to 4388. [2024-12-02 15:28:53,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4388 states, 3074 states have (on average 1.2524398178269356) internal successors, (3850), 3166 states have internal predecessors, (3850), 1038 states have call successors, (1038), 251 states have call predecessors, (1038), 254 states have return successors, (1488), 1020 states have call predecessors, (1488), 1036 states have call successors, (1488) [2024-12-02 15:28:53,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4388 states to 4388 states and 6376 transitions. [2024-12-02 15:28:53,373 INFO L78 Accepts]: Start accepts. Automaton has 4388 states and 6376 transitions. Word has length 168 [2024-12-02 15:28:53,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:53,373 INFO L471 AbstractCegarLoop]: Abstraction has 4388 states and 6376 transitions. [2024-12-02 15:28:53,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2024-12-02 15:28:53,373 INFO L276 IsEmpty]: Start isEmpty. Operand 4388 states and 6376 transitions. [2024-12-02 15:28:53,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-02 15:28:53,376 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:53,376 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:28:53,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-12-02 15:28:53,376 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:28:53,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:53,377 INFO L85 PathProgramCache]: Analyzing trace with hash 241188320, now seen corresponding path program 1 times [2024-12-02 15:28:53,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:53,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393639612] [2024-12-02 15:28:53,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:53,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:55,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:55,430 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:28:55,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:55,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393639612] [2024-12-02 15:28:55,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393639612] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:55,431 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:55,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:28:55,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687219609] [2024-12-02 15:28:55,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:55,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:28:55,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:55,432 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:28:55,432 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:28:55,433 INFO L87 Difference]: Start difference. First operand 4388 states and 6376 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 15:28:55,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:55,695 INFO L93 Difference]: Finished difference Result 4388 states and 6376 transitions. [2024-12-02 15:28:55,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:28:55,696 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 129 [2024-12-02 15:28:55,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:55,718 INFO L225 Difference]: With dead ends: 4388 [2024-12-02 15:28:55,718 INFO L226 Difference]: Without dead ends: 4386 [2024-12-02 15:28:55,721 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 [2024-12-02 15:28:55,721 INFO L435 NwaCegarLoop]: 1537 mSDtfsCounter, 1496 mSDsluCounter, 1536 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1496 SdHoareTripleChecker+Valid, 3073 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:55,722 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1496 Valid, 3073 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:28:55,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2024-12-02 15:28:55,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 4386. [2024-12-02 15:28:55,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4386 states, 3073 states have (on average 1.2521965506020176) internal successors, (3848), 3164 states have internal predecessors, (3848), 1038 states have call successors, (1038), 251 states have call predecessors, (1038), 254 states have return successors, (1488), 1020 states have call predecessors, (1488), 1036 states have call successors, (1488) [2024-12-02 15:28:55,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4386 states to 4386 states and 6374 transitions. [2024-12-02 15:28:55,994 INFO L78 Accepts]: Start accepts. Automaton has 4386 states and 6374 transitions. Word has length 129 [2024-12-02 15:28:55,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:55,995 INFO L471 AbstractCegarLoop]: Abstraction has 4386 states and 6374 transitions. [2024-12-02 15:28:55,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-12-02 15:28:55,995 INFO L276 IsEmpty]: Start isEmpty. Operand 4386 states and 6374 transitions. [2024-12-02 15:28:55,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-12-02 15:28:55,997 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:55,997 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:28:55,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-12-02 15:28:55,997 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:28:55,998 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:55,998 INFO L85 PathProgramCache]: Analyzing trace with hash -765540331, now seen corresponding path program 1 times [2024-12-02 15:28:55,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:55,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310865900] [2024-12-02 15:28:55,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:55,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:28:57,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:28:57,928 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-12-02 15:28:57,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:28:57,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310865900] [2024-12-02 15:28:57,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310865900] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:28:57,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:28:57,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:28:57,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029349487] [2024-12-02 15:28:57,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:28:57,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:28:57,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:28:57,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:28:57,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:28:57,929 INFO L87 Difference]: Start difference. First operand 4386 states and 6374 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:28:58,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:28:58,219 INFO L93 Difference]: Finished difference Result 8325 states and 12046 transitions. [2024-12-02 15:28:58,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:28:58,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 172 [2024-12-02 15:28:58,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:28:58,237 INFO L225 Difference]: With dead ends: 8325 [2024-12-02 15:28:58,237 INFO L226 Difference]: Without dead ends: 4368 [2024-12-02 15:28:58,249 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:28:58,250 INFO L435 NwaCegarLoop]: 1533 mSDtfsCounter, 1512 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1512 SdHoareTripleChecker+Valid, 1533 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:28:58,250 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1512 Valid, 1533 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:28:58,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4368 states. [2024-12-02 15:28:58,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4368 to 4368. [2024-12-02 15:28:58,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4368 states, 3056 states have (on average 1.2483638743455496) internal successors, (3815), 3146 states have internal predecessors, (3815), 1038 states have call successors, (1038), 251 states have call predecessors, (1038), 254 states have return successors, (1488), 1020 states have call predecessors, (1488), 1036 states have call successors, (1488) [2024-12-02 15:28:58,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4368 states to 4368 states and 6341 transitions. [2024-12-02 15:28:58,502 INFO L78 Accepts]: Start accepts. Automaton has 4368 states and 6341 transitions. Word has length 172 [2024-12-02 15:28:58,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:28:58,503 INFO L471 AbstractCegarLoop]: Abstraction has 4368 states and 6341 transitions. [2024-12-02 15:28:58,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (16), 1 states have call predecessors, (16), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-12-02 15:28:58,503 INFO L276 IsEmpty]: Start isEmpty. Operand 4368 states and 6341 transitions. [2024-12-02 15:28:58,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 15:28:58,505 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:28:58,505 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:28:58,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-12-02 15:28:58,505 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:28:58,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:28:58,506 INFO L85 PathProgramCache]: Analyzing trace with hash -64163659, now seen corresponding path program 1 times [2024-12-02 15:28:58,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:28:58,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023326721] [2024-12-02 15:28:58,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:28:58,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:00,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:00,661 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:29:00,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:00,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023326721] [2024-12-02 15:29:00,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023326721] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:00,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:00,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:29:00,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794592886] [2024-12-02 15:29:00,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:00,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:29:00,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:00,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:29:00,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:29:00,664 INFO L87 Difference]: Start difference. First operand 4368 states and 6341 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:29:01,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:01,055 INFO L93 Difference]: Finished difference Result 4368 states and 6341 transitions. [2024-12-02 15:29:01,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:29:01,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 135 [2024-12-02 15:29:01,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:01,068 INFO L225 Difference]: With dead ends: 4368 [2024-12-02 15:29:01,068 INFO L226 Difference]: Without dead ends: 4366 [2024-12-02 15:29:01,070 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:01,071 INFO L435 NwaCegarLoop]: 1530 mSDtfsCounter, 1488 mSDsluCounter, 1529 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1488 SdHoareTripleChecker+Valid, 3059 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:01,071 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1488 Valid, 3059 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:29:01,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4366 states. [2024-12-02 15:29:01,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4366 to 4366. [2024-12-02 15:29:01,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4366 states, 3055 states have (on average 1.2481178396072012) internal successors, (3813), 3144 states have internal predecessors, (3813), 1038 states have call successors, (1038), 251 states have call predecessors, (1038), 254 states have return successors, (1488), 1020 states have call predecessors, (1488), 1036 states have call successors, (1488) [2024-12-02 15:29:01,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4366 states to 4366 states and 6339 transitions. [2024-12-02 15:29:01,337 INFO L78 Accepts]: Start accepts. Automaton has 4366 states and 6339 transitions. Word has length 135 [2024-12-02 15:29:01,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:01,337 INFO L471 AbstractCegarLoop]: Abstraction has 4366 states and 6339 transitions. [2024-12-02 15:29:01,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-12-02 15:29:01,338 INFO L276 IsEmpty]: Start isEmpty. Operand 4366 states and 6339 transitions. [2024-12-02 15:29:01,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-12-02 15:29:01,340 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:01,340 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:01,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-12-02 15:29:01,340 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:29:01,341 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:01,341 INFO L85 PathProgramCache]: Analyzing trace with hash 990324324, now seen corresponding path program 1 times [2024-12-02 15:29:01,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:01,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597566823] [2024-12-02 15:29:01,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:01,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:03,465 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-12-02 15:29:03,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:03,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597566823] [2024-12-02 15:29:03,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597566823] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:29:03,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902753093] [2024-12-02 15:29:03,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:03,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:29:03,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:29:03,468 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:29:03,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 15:29:06,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:06,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 2887 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 15:29:06,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:29:07,080 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2024-12-02 15:29:07,081 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:29:07,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902753093] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:07,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:29:07,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2024-12-02 15:29:07,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236049467] [2024-12-02 15:29:07,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:07,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:29:07,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:07,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:29:07,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:29:07,083 INFO L87 Difference]: Start difference. First operand 4366 states and 6339 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 15:29:07,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:07,420 INFO L93 Difference]: Finished difference Result 8305 states and 11991 transitions. [2024-12-02 15:29:07,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:29:07,420 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 178 [2024-12-02 15:29:07,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:07,432 INFO L225 Difference]: With dead ends: 8305 [2024-12-02 15:29:07,432 INFO L226 Difference]: Without dead ends: 4392 [2024-12-02 15:29:07,441 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:29:07,442 INFO L435 NwaCegarLoop]: 1606 mSDtfsCounter, 1492 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1492 SdHoareTripleChecker+Valid, 1690 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:07,443 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1492 Valid, 1690 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:29:07,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4392 states. [2024-12-02 15:29:07,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4392 to 4390. [2024-12-02 15:29:07,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4390 states, 3065 states have (on average 1.2424143556280587) internal successors, (3808), 3154 states have internal predecessors, (3808), 1046 states have call successors, (1046), 258 states have call predecessors, (1046), 261 states have return successors, (1496), 1027 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-12-02 15:29:07,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4390 states to 4390 states and 6350 transitions. [2024-12-02 15:29:07,710 INFO L78 Accepts]: Start accepts. Automaton has 4390 states and 6350 transitions. Word has length 178 [2024-12-02 15:29:07,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:07,710 INFO L471 AbstractCegarLoop]: Abstraction has 4390 states and 6350 transitions. [2024-12-02 15:29:07,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-12-02 15:29:07,710 INFO L276 IsEmpty]: Start isEmpty. Operand 4390 states and 6350 transitions. [2024-12-02 15:29:07,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-12-02 15:29:07,713 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:07,713 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:07,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 15:29:07,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-12-02 15:29:07,913 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:29:07,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:07,914 INFO L85 PathProgramCache]: Analyzing trace with hash 951890114, now seen corresponding path program 1 times [2024-12-02 15:29:07,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:07,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161853869] [2024-12-02 15:29:07,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:07,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:09,947 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:29:09,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:09,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161853869] [2024-12-02 15:29:09,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161853869] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:09,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:09,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:29:09,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277949989] [2024-12-02 15:29:09,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:09,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:29:09,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:09,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:29:09,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:29:09,949 INFO L87 Difference]: Start difference. First operand 4390 states and 6350 transitions. Second operand has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:29:10,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:10,287 INFO L93 Difference]: Finished difference Result 4390 states and 6350 transitions. [2024-12-02 15:29:10,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:29:10,288 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 141 [2024-12-02 15:29:10,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:10,299 INFO L225 Difference]: With dead ends: 4390 [2024-12-02 15:29:10,299 INFO L226 Difference]: Without dead ends: 4388 [2024-12-02 15:29:10,301 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 [2024-12-02 15:29:10,302 INFO L435 NwaCegarLoop]: 1523 mSDtfsCounter, 1480 mSDsluCounter, 1522 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1480 SdHoareTripleChecker+Valid, 3045 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:10,302 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1480 Valid, 3045 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:29:10,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4388 states. [2024-12-02 15:29:10,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4388 to 4388. [2024-12-02 15:29:10,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4388 states, 3064 states have (on average 1.2421671018276763) internal successors, (3806), 3152 states have internal predecessors, (3806), 1046 states have call successors, (1046), 258 states have call predecessors, (1046), 261 states have return successors, (1496), 1027 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-12-02 15:29:10,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4388 states to 4388 states and 6348 transitions. [2024-12-02 15:29:10,580 INFO L78 Accepts]: Start accepts. Automaton has 4388 states and 6348 transitions. Word has length 141 [2024-12-02 15:29:10,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:10,581 INFO L471 AbstractCegarLoop]: Abstraction has 4388 states and 6348 transitions. [2024-12-02 15:29:10,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.25) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:29:10,581 INFO L276 IsEmpty]: Start isEmpty. Operand 4388 states and 6348 transitions. [2024-12-02 15:29:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-02 15:29:10,583 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:10,583 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:10,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-12-02 15:29:10,583 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:29:10,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:10,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1899922185, now seen corresponding path program 1 times [2024-12-02 15:29:10,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:10,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903272120] [2024-12-02 15:29:10,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:10,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:12,971 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-12-02 15:29:12,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:12,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903272120] [2024-12-02 15:29:12,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903272120] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:12,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:12,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:12,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618072684] [2024-12-02 15:29:12,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:12,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:29:12,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:12,973 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:29:12,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:12,973 INFO L87 Difference]: Start difference. First operand 4388 states and 6348 transitions. Second operand has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:29:13,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:13,393 INFO L93 Difference]: Finished difference Result 8513 states and 13091 transitions. [2024-12-02 15:29:13,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:29:13,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 161 [2024-12-02 15:29:13,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:13,409 INFO L225 Difference]: With dead ends: 8513 [2024-12-02 15:29:13,409 INFO L226 Difference]: Without dead ends: 4396 [2024-12-02 15:29:13,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:13,426 INFO L435 NwaCegarLoop]: 1523 mSDtfsCounter, 0 mSDsluCounter, 4560 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6083 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:13,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6083 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:29:13,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4396 states. [2024-12-02 15:29:13,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4396 to 4396. [2024-12-02 15:29:13,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4396 states, 3072 states have (on average 1.2415364583333333) internal successors, (3814), 3156 states have internal predecessors, (3814), 1046 states have call successors, (1046), 258 states have call predecessors, (1046), 261 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-12-02 15:29:13,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4396 states to 4396 states and 6356 transitions. [2024-12-02 15:29:13,703 INFO L78 Accepts]: Start accepts. Automaton has 4396 states and 6356 transitions. Word has length 161 [2024-12-02 15:29:13,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:13,703 INFO L471 AbstractCegarLoop]: Abstraction has 4396 states and 6356 transitions. [2024-12-02 15:29:13,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.0) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 15:29:13,704 INFO L276 IsEmpty]: Start isEmpty. Operand 4396 states and 6356 transitions. [2024-12-02 15:29:13,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-12-02 15:29:13,706 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:13,706 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:13,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-12-02 15:29:13,706 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:29:13,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:13,706 INFO L85 PathProgramCache]: Analyzing trace with hash 384097533, now seen corresponding path program 1 times [2024-12-02 15:29:13,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:13,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665816597] [2024-12-02 15:29:13,706 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:13,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:15,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:15,757 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:29:15,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:15,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665816597] [2024-12-02 15:29:15,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665816597] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:15,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:15,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:29:15,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941711111] [2024-12-02 15:29:15,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:15,758 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:29:15,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:15,758 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:29:15,758 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:29:15,759 INFO L87 Difference]: Start difference. First operand 4396 states and 6356 transitions. Second operand has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 15:29:16,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:16,089 INFO L93 Difference]: Finished difference Result 4396 states and 6356 transitions. [2024-12-02 15:29:16,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:29:16,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 147 [2024-12-02 15:29:16,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:16,101 INFO L225 Difference]: With dead ends: 4396 [2024-12-02 15:29:16,101 INFO L226 Difference]: Without dead ends: 4394 [2024-12-02 15:29:16,103 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 [2024-12-02 15:29:16,103 INFO L435 NwaCegarLoop]: 1521 mSDtfsCounter, 1477 mSDsluCounter, 1520 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1477 SdHoareTripleChecker+Valid, 3041 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:16,103 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1477 Valid, 3041 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:29:16,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2024-12-02 15:29:16,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 4394. [2024-12-02 15:29:16,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4394 states, 3071 states have (on average 1.2412894822533376) internal successors, (3812), 3154 states have internal predecessors, (3812), 1046 states have call successors, (1046), 258 states have call predecessors, (1046), 261 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-12-02 15:29:16,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4394 states to 4394 states and 6354 transitions. [2024-12-02 15:29:16,423 INFO L78 Accepts]: Start accepts. Automaton has 4394 states and 6354 transitions. Word has length 147 [2024-12-02 15:29:16,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:16,423 INFO L471 AbstractCegarLoop]: Abstraction has 4394 states and 6354 transitions. [2024-12-02 15:29:16,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.25) internal successors, (89), 4 states have internal predecessors, (89), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-12-02 15:29:16,423 INFO L276 IsEmpty]: Start isEmpty. Operand 4394 states and 6354 transitions. [2024-12-02 15:29:16,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-12-02 15:29:16,425 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:16,425 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:16,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-12-02 15:29:16,426 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:29:16,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:16,426 INFO L85 PathProgramCache]: Analyzing trace with hash 276742265, now seen corresponding path program 1 times [2024-12-02 15:29:16,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:16,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933740864] [2024-12-02 15:29:16,427 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:16,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:18,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:18,482 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:29:18,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:18,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933740864] [2024-12-02 15:29:18,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933740864] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:18,482 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:18,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:29:18,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818669846] [2024-12-02 15:29:18,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:18,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:29:18,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:18,483 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:29:18,483 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:29:18,483 INFO L87 Difference]: Start difference. First operand 4394 states and 6354 transitions. Second operand has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 15:29:18,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:18,835 INFO L93 Difference]: Finished difference Result 4394 states and 6354 transitions. [2024-12-02 15:29:18,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:29:18,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 153 [2024-12-02 15:29:18,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:18,846 INFO L225 Difference]: With dead ends: 4394 [2024-12-02 15:29:18,847 INFO L226 Difference]: Without dead ends: 4392 [2024-12-02 15:29:18,848 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 [2024-12-02 15:29:18,849 INFO L435 NwaCegarLoop]: 1519 mSDtfsCounter, 1474 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1474 SdHoareTripleChecker+Valid, 3037 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:18,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1474 Valid, 3037 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:29:18,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4392 states. [2024-12-02 15:29:19,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4392 to 4392. [2024-12-02 15:29:19,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4392 states, 3070 states have (on average 1.241042345276873) internal successors, (3810), 3152 states have internal predecessors, (3810), 1046 states have call successors, (1046), 258 states have call predecessors, (1046), 261 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-12-02 15:29:19,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4392 states to 4392 states and 6352 transitions. [2024-12-02 15:29:19,177 INFO L78 Accepts]: Start accepts. Automaton has 4392 states and 6352 transitions. Word has length 153 [2024-12-02 15:29:19,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:19,177 INFO L471 AbstractCegarLoop]: Abstraction has 4392 states and 6352 transitions. [2024-12-02 15:29:19,177 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-12-02 15:29:19,177 INFO L276 IsEmpty]: Start isEmpty. Operand 4392 states and 6352 transitions. [2024-12-02 15:29:19,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-12-02 15:29:19,180 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:19,180 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:19,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-12-02 15:29:19,180 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:29:19,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:19,180 INFO L85 PathProgramCache]: Analyzing trace with hash 914553725, now seen corresponding path program 1 times [2024-12-02 15:29:19,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:19,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226776901] [2024-12-02 15:29:19,181 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:19,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:20,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:22,796 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-12-02 15:29:22,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:22,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226776901] [2024-12-02 15:29:22,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226776901] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:22,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:22,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 15:29:22,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792725217] [2024-12-02 15:29:22,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:22,797 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 15:29:22,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:22,798 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 15:29:22,798 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:29:22,798 INFO L87 Difference]: Start difference. First operand 4392 states and 6352 transitions. Second operand has 9 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 15:29:24,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:24,003 INFO L93 Difference]: Finished difference Result 6439 states and 9120 transitions. [2024-12-02 15:29:24,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:29:24,004 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 220 [2024-12-02 15:29:24,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:24,018 INFO L225 Difference]: With dead ends: 6439 [2024-12-02 15:29:24,018 INFO L226 Difference]: Without dead ends: 4398 [2024-12-02 15:29:24,023 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:29:24,024 INFO L435 NwaCegarLoop]: 1540 mSDtfsCounter, 6 mSDsluCounter, 10741 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 12281 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:24,024 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 12281 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:29:24,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4398 states. [2024-12-02 15:29:24,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4398 to 4396. [2024-12-02 15:29:24,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4396 states, 3073 states have (on average 1.2408070289619264) internal successors, (3813), 3155 states have internal predecessors, (3813), 1046 states have call successors, (1046), 259 states have call predecessors, (1046), 262 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-12-02 15:29:24,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4396 states to 4396 states and 6355 transitions. [2024-12-02 15:29:24,449 INFO L78 Accepts]: Start accepts. Automaton has 4396 states and 6355 transitions. Word has length 220 [2024-12-02 15:29:24,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:24,450 INFO L471 AbstractCegarLoop]: Abstraction has 4396 states and 6355 transitions. [2024-12-02 15:29:24,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 10.5) internal successors, (84), 8 states have internal predecessors, (84), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 15:29:24,450 INFO L276 IsEmpty]: Start isEmpty. Operand 4396 states and 6355 transitions. [2024-12-02 15:29:24,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-12-02 15:29:24,453 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:24,454 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:24,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-12-02 15:29:24,454 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:29:24,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:24,454 INFO L85 PathProgramCache]: Analyzing trace with hash 1896142820, now seen corresponding path program 1 times [2024-12-02 15:29:24,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:24,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359803351] [2024-12-02 15:29:24,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:24,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:26,821 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:29:26,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:26,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359803351] [2024-12-02 15:29:26,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359803351] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:26,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:26,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:29:26,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489072912] [2024-12-02 15:29:26,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:26,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:29:26,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:26,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:29:26,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:29:26,823 INFO L87 Difference]: Start difference. First operand 4396 states and 6355 transitions. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 15:29:27,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:27,178 INFO L93 Difference]: Finished difference Result 4396 states and 6355 transitions. [2024-12-02 15:29:27,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:29:27,178 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 159 [2024-12-02 15:29:27,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:27,192 INFO L225 Difference]: With dead ends: 4396 [2024-12-02 15:29:27,192 INFO L226 Difference]: Without dead ends: 4394 [2024-12-02 15:29:27,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:27,195 INFO L435 NwaCegarLoop]: 1517 mSDtfsCounter, 1471 mSDsluCounter, 1516 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1471 SdHoareTripleChecker+Valid, 3033 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:27,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1471 Valid, 3033 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:29:27,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4394 states. [2024-12-02 15:29:27,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4394 to 4394. [2024-12-02 15:29:27,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4394 states, 3072 states have (on average 1.2405598958333333) internal successors, (3811), 3153 states have internal predecessors, (3811), 1046 states have call successors, (1046), 259 states have call predecessors, (1046), 262 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-12-02 15:29:27,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4394 states to 4394 states and 6353 transitions. [2024-12-02 15:29:27,550 INFO L78 Accepts]: Start accepts. Automaton has 4394 states and 6353 transitions. Word has length 159 [2024-12-02 15:29:27,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:27,550 INFO L471 AbstractCegarLoop]: Abstraction has 4394 states and 6353 transitions. [2024-12-02 15:29:27,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 15:29:27,550 INFO L276 IsEmpty]: Start isEmpty. Operand 4394 states and 6353 transitions. [2024-12-02 15:29:27,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-12-02 15:29:27,553 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:27,553 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:27,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-12-02 15:29:27,553 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:29:27,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:27,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1941587771, now seen corresponding path program 1 times [2024-12-02 15:29:27,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:27,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218545830] [2024-12-02 15:29:27,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:27,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:29,585 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:29:29,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:29,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218545830] [2024-12-02 15:29:29,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218545830] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:29,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:29,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:29:29,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773119686] [2024-12-02 15:29:29,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:29,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:29:29,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:29,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:29:29,586 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:29:29,587 INFO L87 Difference]: Start difference. First operand 4394 states and 6353 transitions. Second operand has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:29:29,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:29,954 INFO L93 Difference]: Finished difference Result 4394 states and 6353 transitions. [2024-12-02 15:29:29,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:29:29,955 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 165 [2024-12-02 15:29:29,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:29,973 INFO L225 Difference]: With dead ends: 4394 [2024-12-02 15:29:29,973 INFO L226 Difference]: Without dead ends: 4392 [2024-12-02 15:29:29,976 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 [2024-12-02 15:29:29,977 INFO L435 NwaCegarLoop]: 1515 mSDtfsCounter, 1468 mSDsluCounter, 1514 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1468 SdHoareTripleChecker+Valid, 3029 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:29,977 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1468 Valid, 3029 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:29:29,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4392 states. [2024-12-02 15:29:30,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4392 to 4392. [2024-12-02 15:29:30,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4392 states, 3071 states have (on average 1.240312601758385) internal successors, (3809), 3151 states have internal predecessors, (3809), 1046 states have call successors, (1046), 259 states have call predecessors, (1046), 262 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-12-02 15:29:30,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4392 states to 4392 states and 6351 transitions. [2024-12-02 15:29:30,320 INFO L78 Accepts]: Start accepts. Automaton has 4392 states and 6351 transitions. Word has length 165 [2024-12-02 15:29:30,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:30,321 INFO L471 AbstractCegarLoop]: Abstraction has 4392 states and 6351 transitions. [2024-12-02 15:29:30,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-12-02 15:29:30,321 INFO L276 IsEmpty]: Start isEmpty. Operand 4392 states and 6351 transitions. [2024-12-02 15:29:30,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-12-02 15:29:30,323 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:30,323 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:30,323 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-12-02 15:29:30,324 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:29:30,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:30,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1248323010, now seen corresponding path program 1 times [2024-12-02 15:29:30,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:30,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597187745] [2024-12-02 15:29:30,324 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:30,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:32,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:32,360 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:29:32,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:32,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597187745] [2024-12-02 15:29:32,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597187745] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:32,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:32,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:29:32,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251732901] [2024-12-02 15:29:32,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:32,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:29:32,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:32,361 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:29:32,361 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:29:32,362 INFO L87 Difference]: Start difference. First operand 4392 states and 6351 transitions. Second operand has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 15:29:32,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:32,738 INFO L93 Difference]: Finished difference Result 4392 states and 6351 transitions. [2024-12-02 15:29:32,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:29:32,739 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 171 [2024-12-02 15:29:32,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:32,751 INFO L225 Difference]: With dead ends: 4392 [2024-12-02 15:29:32,751 INFO L226 Difference]: Without dead ends: 4390 [2024-12-02 15:29:32,753 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 [2024-12-02 15:29:32,754 INFO L435 NwaCegarLoop]: 1513 mSDtfsCounter, 1465 mSDsluCounter, 1512 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1465 SdHoareTripleChecker+Valid, 3025 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:32,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1465 Valid, 3025 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:29:32,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4390 states. [2024-12-02 15:29:33,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4390 to 4390. [2024-12-02 15:29:33,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4390 states, 3070 states have (on average 1.2400651465798045) internal successors, (3807), 3149 states have internal predecessors, (3807), 1046 states have call successors, (1046), 259 states have call predecessors, (1046), 262 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-12-02 15:29:33,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4390 states to 4390 states and 6349 transitions. [2024-12-02 15:29:33,097 INFO L78 Accepts]: Start accepts. Automaton has 4390 states and 6349 transitions. Word has length 171 [2024-12-02 15:29:33,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:33,098 INFO L471 AbstractCegarLoop]: Abstraction has 4390 states and 6349 transitions. [2024-12-02 15:29:33,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.25) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-12-02 15:29:33,098 INFO L276 IsEmpty]: Start isEmpty. Operand 4390 states and 6349 transitions. [2024-12-02 15:29:33,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-02 15:29:33,101 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:33,101 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:33,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-12-02 15:29:33,101 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:29:33,101 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:33,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1572043592, now seen corresponding path program 1 times [2024-12-02 15:29:33,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:33,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750360498] [2024-12-02 15:29:33,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:33,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:35,140 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:29:35,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:35,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750360498] [2024-12-02 15:29:35,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750360498] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:35,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:35,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:29:35,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923046802] [2024-12-02 15:29:35,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:35,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:29:35,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:35,142 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:29:35,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:29:35,142 INFO L87 Difference]: Start difference. First operand 4390 states and 6349 transitions. Second operand has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:29:35,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:35,529 INFO L93 Difference]: Finished difference Result 4390 states and 6349 transitions. [2024-12-02 15:29:35,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:29:35,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 177 [2024-12-02 15:29:35,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:35,542 INFO L225 Difference]: With dead ends: 4390 [2024-12-02 15:29:35,542 INFO L226 Difference]: Without dead ends: 4388 [2024-12-02 15:29:35,544 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 [2024-12-02 15:29:35,544 INFO L435 NwaCegarLoop]: 1511 mSDtfsCounter, 1462 mSDsluCounter, 1510 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1462 SdHoareTripleChecker+Valid, 3021 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:35,544 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1462 Valid, 3021 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:29:35,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4388 states. [2024-12-02 15:29:35,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4388 to 4388. [2024-12-02 15:29:35,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4388 states, 3069 states have (on average 1.2398175301401109) internal successors, (3805), 3147 states have internal predecessors, (3805), 1046 states have call successors, (1046), 259 states have call predecessors, (1046), 262 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-12-02 15:29:35,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4388 states to 4388 states and 6347 transitions. [2024-12-02 15:29:35,897 INFO L78 Accepts]: Start accepts. Automaton has 4388 states and 6347 transitions. Word has length 177 [2024-12-02 15:29:35,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:35,897 INFO L471 AbstractCegarLoop]: Abstraction has 4388 states and 6347 transitions. [2024-12-02 15:29:35,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.25) internal successors, (109), 4 states have internal predecessors, (109), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-12-02 15:29:35,898 INFO L276 IsEmpty]: Start isEmpty. Operand 4388 states and 6347 transitions. [2024-12-02 15:29:35,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2024-12-02 15:29:35,901 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:35,901 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:35,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-12-02 15:29:35,901 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:29:35,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:35,901 INFO L85 PathProgramCache]: Analyzing trace with hash 323316088, now seen corresponding path program 1 times [2024-12-02 15:29:35,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:35,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533509486] [2024-12-02 15:29:35,902 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:35,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:37,920 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:29:37,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:37,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533509486] [2024-12-02 15:29:37,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533509486] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:37,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:37,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:29:37,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116743883] [2024-12-02 15:29:37,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:37,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:29:37,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:37,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:29:37,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:29:37,922 INFO L87 Difference]: Start difference. First operand 4388 states and 6347 transitions. Second operand has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 15:29:38,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:38,321 INFO L93 Difference]: Finished difference Result 4388 states and 6347 transitions. [2024-12-02 15:29:38,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:29:38,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 183 [2024-12-02 15:29:38,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:38,335 INFO L225 Difference]: With dead ends: 4388 [2024-12-02 15:29:38,335 INFO L226 Difference]: Without dead ends: 4386 [2024-12-02 15:29:38,337 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 [2024-12-02 15:29:38,337 INFO L435 NwaCegarLoop]: 1509 mSDtfsCounter, 1459 mSDsluCounter, 1508 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1459 SdHoareTripleChecker+Valid, 3017 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:38,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1459 Valid, 3017 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:29:38,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2024-12-02 15:29:38,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 4386. [2024-12-02 15:29:38,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4386 states, 3068 states have (on average 1.2395697522816167) internal successors, (3803), 3145 states have internal predecessors, (3803), 1046 states have call successors, (1046), 259 states have call predecessors, (1046), 262 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-12-02 15:29:38,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4386 states to 4386 states and 6345 transitions. [2024-12-02 15:29:38,703 INFO L78 Accepts]: Start accepts. Automaton has 4386 states and 6345 transitions. Word has length 183 [2024-12-02 15:29:38,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:38,703 INFO L471 AbstractCegarLoop]: Abstraction has 4386 states and 6345 transitions. [2024-12-02 15:29:38,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.25) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-12-02 15:29:38,703 INFO L276 IsEmpty]: Start isEmpty. Operand 4386 states and 6345 transitions. [2024-12-02 15:29:38,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2024-12-02 15:29:38,706 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:38,707 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:38,707 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-12-02 15:29:38,707 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:29:38,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:38,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1606638475, now seen corresponding path program 1 times [2024-12-02 15:29:38,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:38,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311097711] [2024-12-02 15:29:38,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:38,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:41,111 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2024-12-02 15:29:41,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:41,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311097711] [2024-12-02 15:29:41,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311097711] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:41,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:41,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:41,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169262479] [2024-12-02 15:29:41,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:41,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:29:41,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:41,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:29:41,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:41,114 INFO L87 Difference]: Start difference. First operand 4386 states and 6345 transitions. Second operand has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 15:29:41,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:41,686 INFO L93 Difference]: Finished difference Result 4414 states and 6365 transitions. [2024-12-02 15:29:41,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:29:41,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 253 [2024-12-02 15:29:41,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:41,700 INFO L225 Difference]: With dead ends: 4414 [2024-12-02 15:29:41,700 INFO L226 Difference]: Without dead ends: 4412 [2024-12-02 15:29:41,702 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:29:41,702 INFO L435 NwaCegarLoop]: 1505 mSDtfsCounter, 1405 mSDsluCounter, 3046 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 4551 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:41,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1406 Valid, 4551 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:29:41,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4412 states. [2024-12-02 15:29:42,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4412 to 4412. [2024-12-02 15:29:42,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4412 states, 3087 states have (on average 1.2367994816974408) internal successors, (3818), 3163 states have internal predecessors, (3818), 1046 states have call successors, (1046), 267 states have call predecessors, (1046), 270 states have return successors, (1496), 1031 states have call predecessors, (1496), 1044 states have call successors, (1496) [2024-12-02 15:29:42,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4412 states to 4412 states and 6360 transitions. [2024-12-02 15:29:42,117 INFO L78 Accepts]: Start accepts. Automaton has 4412 states and 6360 transitions. Word has length 253 [2024-12-02 15:29:42,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:42,117 INFO L471 AbstractCegarLoop]: Abstraction has 4412 states and 6360 transitions. [2024-12-02 15:29:42,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.6) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 15:29:42,118 INFO L276 IsEmpty]: Start isEmpty. Operand 4412 states and 6360 transitions. [2024-12-02 15:29:42,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-12-02 15:29:42,121 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:42,121 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:42,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-12-02 15:29:42,121 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:29:42,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:42,121 INFO L85 PathProgramCache]: Analyzing trace with hash 583613077, now seen corresponding path program 1 times [2024-12-02 15:29:42,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:42,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727153155] [2024-12-02 15:29:42,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:42,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:44,153 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-02 15:29:44,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:44,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727153155] [2024-12-02 15:29:44,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727153155] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:44,154 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:44,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:29:44,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813081281] [2024-12-02 15:29:44,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:44,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 15:29:44,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:44,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 15:29:44,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 15:29:44,155 INFO L87 Difference]: Start difference. First operand 4412 states and 6360 transitions. Second operand has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 15:29:45,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:45,033 INFO L93 Difference]: Finished difference Result 8549 states and 13108 transitions. [2024-12-02 15:29:45,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 15:29:45,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 189 [2024-12-02 15:29:45,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:45,058 INFO L225 Difference]: With dead ends: 8549 [2024-12-02 15:29:45,058 INFO L226 Difference]: Without dead ends: 8390 [2024-12-02 15:29:45,063 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 [2024-12-02 15:29:45,064 INFO L435 NwaCegarLoop]: 1910 mSDtfsCounter, 1452 mSDsluCounter, 3324 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1452 SdHoareTripleChecker+Valid, 5234 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 [2024-12-02 15:29:45,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1452 Valid, 5234 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:29:45,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8390 states. [2024-12-02 15:29:45,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8390 to 8366. [2024-12-02 15:29:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8366 states, 5886 states have (on average 1.2414203194019708) internal successors, (7307), 6010 states have internal predecessors, (7307), 1960 states have call successors, (1960), 505 states have call predecessors, (1960), 511 states have return successors, (3634), 1942 states have call predecessors, (3634), 1956 states have call successors, (3634) [2024-12-02 15:29:45,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8366 states to 8366 states and 12901 transitions. [2024-12-02 15:29:45,818 INFO L78 Accepts]: Start accepts. Automaton has 8366 states and 12901 transitions. Word has length 189 [2024-12-02 15:29:45,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:45,818 INFO L471 AbstractCegarLoop]: Abstraction has 8366 states and 12901 transitions. [2024-12-02 15:29:45,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.25) internal successors, (117), 4 states have internal predecessors, (117), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2024-12-02 15:29:45,818 INFO L276 IsEmpty]: Start isEmpty. Operand 8366 states and 12901 transitions. [2024-12-02 15:29:45,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2024-12-02 15:29:45,822 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:45,822 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:45,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-12-02 15:29:45,823 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:29:45,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:45,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1326693994, now seen corresponding path program 1 times [2024-12-02 15:29:45,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:45,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416580624] [2024-12-02 15:29:45,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:45,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:48,143 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2024-12-02 15:29:48,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:48,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416580624] [2024-12-02 15:29:48,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416580624] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:48,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:48,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:29:48,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212121741] [2024-12-02 15:29:48,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:48,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:29:48,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:48,144 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:29:48,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:29:48,145 INFO L87 Difference]: Start difference. First operand 8366 states and 12901 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 15:29:52,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:29:53,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:53,094 INFO L93 Difference]: Finished difference Result 8366 states and 12901 transitions. [2024-12-02 15:29:53,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:29:53,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 274 [2024-12-02 15:29:53,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:53,119 INFO L225 Difference]: With dead ends: 8366 [2024-12-02 15:29:53,119 INFO L226 Difference]: Without dead ends: 8364 [2024-12-02 15:29:53,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:29:53,124 INFO L435 NwaCegarLoop]: 1508 mSDtfsCounter, 36 mSDsluCounter, 4477 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 5985 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:53,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 5985 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2024-12-02 15:29:53,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8364 states. [2024-12-02 15:29:53,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8364 to 8364. [2024-12-02 15:29:53,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8364 states, 5885 states have (on average 1.2401019541206457) internal successors, (7298), 6008 states have internal predecessors, (7298), 1960 states have call successors, (1960), 505 states have call predecessors, (1960), 511 states have return successors, (3634), 1942 states have call predecessors, (3634), 1956 states have call successors, (3634) [2024-12-02 15:29:53,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8364 states to 8364 states and 12892 transitions. [2024-12-02 15:29:53,876 INFO L78 Accepts]: Start accepts. Automaton has 8364 states and 12892 transitions. Word has length 274 [2024-12-02 15:29:53,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:53,876 INFO L471 AbstractCegarLoop]: Abstraction has 8364 states and 12892 transitions. [2024-12-02 15:29:53,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 4 states have internal predecessors, (113), 2 states have call successors, (36), 3 states have call predecessors, (36), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-12-02 15:29:53,876 INFO L276 IsEmpty]: Start isEmpty. Operand 8364 states and 12892 transitions. [2024-12-02 15:29:53,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2024-12-02 15:29:53,880 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:53,880 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 7, 7, 7, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:53,881 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-12-02 15:29:53,881 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:29:53,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:53,881 INFO L85 PathProgramCache]: Analyzing trace with hash -186702486, now seen corresponding path program 1 times [2024-12-02 15:29:53,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:53,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14160149] [2024-12-02 15:29:53,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:53,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:29:55,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:29:57,663 INFO L134 CoverageAnalysis]: Checked inductivity of 217 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2024-12-02 15:29:57,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:29:57,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14160149] [2024-12-02 15:29:57,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14160149] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:29:57,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:29:57,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:29:57,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200814366] [2024-12-02 15:29:57,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:29:57,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:29:57,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:29:57,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:29:57,664 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:29:57,664 INFO L87 Difference]: Start difference. First operand 8364 states and 12892 transitions. Second operand has 10 states, 10 states have (on average 13.5) internal successors, (135), 8 states have internal predecessors, (135), 3 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) [2024-12-02 15:29:59,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:29:59,095 INFO L93 Difference]: Finished difference Result 16541 states and 27820 transitions. [2024-12-02 15:29:59,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:29:59,096 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 13.5) internal successors, (135), 8 states have internal predecessors, (135), 3 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) Word has length 275 [2024-12-02 15:29:59,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:29:59,126 INFO L225 Difference]: With dead ends: 16541 [2024-12-02 15:29:59,126 INFO L226 Difference]: Without dead ends: 8452 [2024-12-02 15:29:59,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:29:59,172 INFO L435 NwaCegarLoop]: 1501 mSDtfsCounter, 0 mSDsluCounter, 11991 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13492 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:29:59,172 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13492 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 15:29:59,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8452 states. [2024-12-02 15:29:59,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8452 to 8452. [2024-12-02 15:29:59,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8452 states, 5949 states have (on average 1.2375189107413012) internal successors, (7362), 6072 states have internal predecessors, (7362), 1968 states have call successors, (1968), 505 states have call predecessors, (1968), 527 states have return successors, (3662), 1966 states have call predecessors, (3662), 1964 states have call successors, (3662) [2024-12-02 15:29:59,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8452 states to 8452 states and 12992 transitions. [2024-12-02 15:29:59,959 INFO L78 Accepts]: Start accepts. Automaton has 8452 states and 12992 transitions. Word has length 275 [2024-12-02 15:29:59,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:29:59,960 INFO L471 AbstractCegarLoop]: Abstraction has 8452 states and 12992 transitions. [2024-12-02 15:29:59,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.5) internal successors, (135), 8 states have internal predecessors, (135), 3 states have call successors, (45), 2 states have call predecessors, (45), 3 states have return successors, (39), 5 states have call predecessors, (39), 3 states have call successors, (39) [2024-12-02 15:29:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 8452 states and 12992 transitions. [2024-12-02 15:29:59,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-12-02 15:29:59,965 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:29:59,965 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:29:59,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-12-02 15:29:59,966 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:29:59,966 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:29:59,966 INFO L85 PathProgramCache]: Analyzing trace with hash -1065208806, now seen corresponding path program 1 times [2024-12-02 15:29:59,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:29:59,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350645923] [2024-12-02 15:29:59,966 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:29:59,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:02,408 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 659 trivial. 0 not checked. [2024-12-02 15:30:02,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:02,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350645923] [2024-12-02 15:30:02,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350645923] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:02,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:30:02,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:30:02,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772764369] [2024-12-02 15:30:02,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:02,409 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:30:02,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:02,410 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:30:02,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:30:02,410 INFO L87 Difference]: Start difference. First operand 8452 states and 12992 transitions. Second operand has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-12-02 15:30:03,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:03,368 INFO L93 Difference]: Finished difference Result 16653 states and 27916 transitions. [2024-12-02 15:30:03,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:30:03,368 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) Word has length 326 [2024-12-02 15:30:03,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:03,400 INFO L225 Difference]: With dead ends: 16653 [2024-12-02 15:30:03,400 INFO L226 Difference]: Without dead ends: 8476 [2024-12-02 15:30:03,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:30:03,438 INFO L435 NwaCegarLoop]: 1504 mSDtfsCounter, 0 mSDsluCounter, 4506 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6010 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:03,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6010 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 15:30:03,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8476 states. [2024-12-02 15:30:04,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8476 to 8476. [2024-12-02 15:30:04,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8476 states, 5973 states have (on average 1.2365645404319436) internal successors, (7386), 6096 states have internal predecessors, (7386), 1968 states have call successors, (1968), 505 states have call predecessors, (1968), 527 states have return successors, (3662), 1966 states have call predecessors, (3662), 1964 states have call successors, (3662) [2024-12-02 15:30:04,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8476 states to 8476 states and 13016 transitions. [2024-12-02 15:30:04,208 INFO L78 Accepts]: Start accepts. Automaton has 8476 states and 13016 transitions. Word has length 326 [2024-12-02 15:30:04,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:04,208 INFO L471 AbstractCegarLoop]: Abstraction has 8476 states and 13016 transitions. [2024-12-02 15:30:04,208 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.4) internal successors, (132), 5 states have internal predecessors, (132), 2 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (38), 2 states have call predecessors, (38), 2 states have call successors, (38) [2024-12-02 15:30:04,208 INFO L276 IsEmpty]: Start isEmpty. Operand 8476 states and 13016 transitions. [2024-12-02 15:30:04,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2024-12-02 15:30:04,213 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:04,213 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:30:04,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-12-02 15:30:04,213 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:30:04,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:04,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1048460243, now seen corresponding path program 1 times [2024-12-02 15:30:04,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:04,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998619908] [2024-12-02 15:30:04,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:04,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:07,315 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2024-12-02 15:30:07,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:07,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998619908] [2024-12-02 15:30:07,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998619908] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:07,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:30:07,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 15:30:07,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36892171] [2024-12-02 15:30:07,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:07,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 15:30:07,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:07,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 15:30:07,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 15:30:07,317 INFO L87 Difference]: Start difference. First operand 8476 states and 13016 transitions. Second operand has 7 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 15:30:08,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:08,987 INFO L93 Difference]: Finished difference Result 17017 states and 28363 transitions. [2024-12-02 15:30:08,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:30:08,988 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 329 [2024-12-02 15:30:08,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:09,020 INFO L225 Difference]: With dead ends: 17017 [2024-12-02 15:30:09,020 INFO L226 Difference]: Without dead ends: 8816 [2024-12-02 15:30:09,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-12-02 15:30:09,057 INFO L435 NwaCegarLoop]: 1544 mSDtfsCounter, 33 mSDsluCounter, 7640 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 9184 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:09,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 9184 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 15:30:09,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8816 states. [2024-12-02 15:30:09,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8816 to 8816. [2024-12-02 15:30:09,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8816 states, 6217 states have (on average 1.2324272156988902) internal successors, (7662), 6360 states have internal predecessors, (7662), 2040 states have call successors, (2040), 529 states have call predecessors, (2040), 551 states have return successors, (3635), 2026 states have call predecessors, (3635), 2036 states have call successors, (3635) [2024-12-02 15:30:09,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8816 states to 8816 states and 13337 transitions. [2024-12-02 15:30:09,874 INFO L78 Accepts]: Start accepts. Automaton has 8816 states and 13337 transitions. Word has length 329 [2024-12-02 15:30:09,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:09,874 INFO L471 AbstractCegarLoop]: Abstraction has 8816 states and 13337 transitions. [2024-12-02 15:30:09,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 24.0) internal successors, (144), 5 states have internal predecessors, (144), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 15:30:09,875 INFO L276 IsEmpty]: Start isEmpty. Operand 8816 states and 13337 transitions. [2024-12-02 15:30:09,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2024-12-02 15:30:09,878 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:09,878 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:30:09,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-12-02 15:30:09,878 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:30:09,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:09,879 INFO L85 PathProgramCache]: Analyzing trace with hash 937684510, now seen corresponding path program 1 times [2024-12-02 15:30:09,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:09,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242405072] [2024-12-02 15:30:09,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:09,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:13,601 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2024-12-02 15:30:13,601 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:13,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242405072] [2024-12-02 15:30:13,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242405072] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:13,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:30:13,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 15:30:13,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198216301] [2024-12-02 15:30:13,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:13,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 15:30:13,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:13,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 15:30:13,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:30:13,603 INFO L87 Difference]: Start difference. First operand 8816 states and 13337 transitions. Second operand has 10 states, 10 states have (on average 14.5) internal successors, (145), 8 states have internal predecessors, (145), 3 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (40), 5 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 15:30:14,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:14,798 INFO L93 Difference]: Finished difference Result 17429 states and 26388 transitions. [2024-12-02 15:30:14,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 15:30:14,799 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 14.5) internal successors, (145), 8 states have internal predecessors, (145), 3 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (40), 5 states have call predecessors, (40), 3 states have call successors, (40) Word has length 330 [2024-12-02 15:30:14,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:14,832 INFO L225 Difference]: With dead ends: 17429 [2024-12-02 15:30:14,832 INFO L226 Difference]: Without dead ends: 8824 [2024-12-02 15:30:14,856 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2024-12-02 15:30:14,857 INFO L435 NwaCegarLoop]: 1501 mSDtfsCounter, 0 mSDsluCounter, 11994 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 13495 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:14,857 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 13495 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 15:30:14,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8824 states. [2024-12-02 15:30:15,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8824 to 8824. [2024-12-02 15:30:15,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8824 states, 6225 states have (on average 1.2321285140562248) internal successors, (7670), 6364 states have internal predecessors, (7670), 2040 states have call successors, (2040), 529 states have call predecessors, (2040), 551 states have return successors, (3635), 2030 states have call predecessors, (3635), 2036 states have call successors, (3635) [2024-12-02 15:30:15,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8824 states to 8824 states and 13345 transitions. [2024-12-02 15:30:15,718 INFO L78 Accepts]: Start accepts. Automaton has 8824 states and 13345 transitions. Word has length 330 [2024-12-02 15:30:15,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:15,718 INFO L471 AbstractCegarLoop]: Abstraction has 8824 states and 13345 transitions. [2024-12-02 15:30:15,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.5) internal successors, (145), 8 states have internal predecessors, (145), 3 states have call successors, (44), 2 states have call predecessors, (44), 3 states have return successors, (40), 5 states have call predecessors, (40), 3 states have call successors, (40) [2024-12-02 15:30:15,718 INFO L276 IsEmpty]: Start isEmpty. Operand 8824 states and 13345 transitions. [2024-12-02 15:30:15,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2024-12-02 15:30:15,722 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:15,723 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:30:15,723 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-12-02 15:30:15,723 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:30:15,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:15,723 INFO L85 PathProgramCache]: Analyzing trace with hash -788269174, now seen corresponding path program 1 times [2024-12-02 15:30:15,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:15,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006458288] [2024-12-02 15:30:15,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:15,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:19,579 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-12-02 15:30:19,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:19,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006458288] [2024-12-02 15:30:19,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006458288] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:30:19,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856817440] [2024-12-02 15:30:19,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:19,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:30:19,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:30:19,581 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:30:19,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 15:30:23,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:23,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 3434 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-02 15:30:23,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:30:27,086 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2024-12-02 15:30:27,086 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:30:27,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856817440] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:27,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:30:27,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [9] total 26 [2024-12-02 15:30:27,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402523020] [2024-12-02 15:30:27,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:27,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-12-02 15:30:27,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:27,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-12-02 15:30:27,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2024-12-02 15:30:27,088 INFO L87 Difference]: Start difference. First operand 8824 states and 13345 transitions. Second operand has 19 states, 18 states have (on average 8.222222222222221) internal successors, (148), 18 states have internal predecessors, (148), 7 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (43), 7 states have call predecessors, (43), 7 states have call successors, (43) [2024-12-02 15:30:32,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:32,189 INFO L93 Difference]: Finished difference Result 16224 states and 24386 transitions. [2024-12-02 15:30:32,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-12-02 15:30:32,190 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 8.222222222222221) internal successors, (148), 18 states have internal predecessors, (148), 7 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (43), 7 states have call predecessors, (43), 7 states have call successors, (43) Word has length 296 [2024-12-02 15:30:32,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:32,219 INFO L225 Difference]: With dead ends: 16224 [2024-12-02 15:30:32,219 INFO L226 Difference]: Without dead ends: 8084 [2024-12-02 15:30:32,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=61, Invalid=751, Unknown=0, NotChecked=0, Total=812 [2024-12-02 15:30:32,241 INFO L435 NwaCegarLoop]: 1476 mSDtfsCounter, 3 mSDsluCounter, 25035 mSDsCounter, 0 mSdLazyCounter, 674 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 26511 SdHoareTripleChecker+Invalid, 677 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 674 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:32,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 26511 Invalid, 677 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 674 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2024-12-02 15:30:32,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8084 states. [2024-12-02 15:30:32,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8084 to 8084. [2024-12-02 15:30:32,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8084 states, 5716 states have (on average 1.2360041987403778) internal successors, (7065), 5842 states have internal predecessors, (7065), 1816 states have call successors, (1816), 522 states have call predecessors, (1816), 544 states have return successors, (3278), 1799 states have call predecessors, (3278), 1812 states have call successors, (3278) [2024-12-02 15:30:33,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8084 states to 8084 states and 12159 transitions. [2024-12-02 15:30:33,012 INFO L78 Accepts]: Start accepts. Automaton has 8084 states and 12159 transitions. Word has length 296 [2024-12-02 15:30:33,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:33,012 INFO L471 AbstractCegarLoop]: Abstraction has 8084 states and 12159 transitions. [2024-12-02 15:30:33,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 8.222222222222221) internal successors, (148), 18 states have internal predecessors, (148), 7 states have call successors, (49), 2 states have call predecessors, (49), 4 states have return successors, (43), 7 states have call predecessors, (43), 7 states have call successors, (43) [2024-12-02 15:30:33,013 INFO L276 IsEmpty]: Start isEmpty. Operand 8084 states and 12159 transitions. [2024-12-02 15:30:33,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2024-12-02 15:30:33,016 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:33,016 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:30:33,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-12-02 15:30:33,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-12-02 15:30:33,216 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:30:33,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:33,217 INFO L85 PathProgramCache]: Analyzing trace with hash 763981653, now seen corresponding path program 1 times [2024-12-02 15:30:33,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:33,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858522065] [2024-12-02 15:30:33,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:33,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:37,206 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 8 proven. 67 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2024-12-02 15:30:37,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:37,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858522065] [2024-12-02 15:30:37,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858522065] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:30:37,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176109813] [2024-12-02 15:30:37,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:37,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:30:37,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:30:37,208 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:30:37,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 15:30:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:41,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 3903 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 15:30:41,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:30:43,049 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2024-12-02 15:30:43,049 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:30:43,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176109813] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:43,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:30:43,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [9] total 19 [2024-12-02 15:30:43,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593673449] [2024-12-02 15:30:43,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:43,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 15:30:43,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:43,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 15:30:43,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=306, Unknown=0, NotChecked=0, Total=342 [2024-12-02 15:30:43,051 INFO L87 Difference]: Start difference. First operand 8084 states and 12159 transitions. Second operand has 14 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 6 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (38), 6 states have call predecessors, (38), 6 states have call successors, (38) [2024-12-02 15:30:46,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:46,806 INFO L93 Difference]: Finished difference Result 15699 states and 23533 transitions. [2024-12-02 15:30:46,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 15:30:46,807 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 6 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (38), 6 states have call predecessors, (38), 6 states have call successors, (38) Word has length 327 [2024-12-02 15:30:46,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:46,841 INFO L225 Difference]: With dead ends: 15699 [2024-12-02 15:30:46,841 INFO L226 Difference]: Without dead ends: 8128 [2024-12-02 15:30:46,865 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2024-12-02 15:30:46,865 INFO L435 NwaCegarLoop]: 1477 mSDtfsCounter, 3 mSDsluCounter, 17673 mSDsCounter, 0 mSdLazyCounter, 429 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 19150 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:46,865 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 19150 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 429 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-12-02 15:30:46,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8128 states. [2024-12-02 15:30:47,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8128 to 8116. [2024-12-02 15:30:47,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8116 states, 5738 states have (on average 1.2350993377483444) internal successors, (7087), 5864 states have internal predecessors, (7087), 1826 states have call successors, (1826), 522 states have call predecessors, (1826), 544 states have return successors, (3288), 1809 states have call predecessors, (3288), 1822 states have call successors, (3288) [2024-12-02 15:30:47,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8116 states to 8116 states and 12201 transitions. [2024-12-02 15:30:47,714 INFO L78 Accepts]: Start accepts. Automaton has 8116 states and 12201 transitions. Word has length 327 [2024-12-02 15:30:47,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:47,715 INFO L471 AbstractCegarLoop]: Abstraction has 8116 states and 12201 transitions. [2024-12-02 15:30:47,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 11.0) internal successors, (143), 13 states have internal predecessors, (143), 6 states have call successors, (43), 2 states have call predecessors, (43), 4 states have return successors, (38), 6 states have call predecessors, (38), 6 states have call successors, (38) [2024-12-02 15:30:47,715 INFO L276 IsEmpty]: Start isEmpty. Operand 8116 states and 12201 transitions. [2024-12-02 15:30:47,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-12-02 15:30:47,719 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:47,719 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 5, 5, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:30:47,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 15:30:47,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:30:47,919 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting destroy_asyncErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:30:47,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:47,920 INFO L85 PathProgramCache]: Analyzing trace with hash -899367534, now seen corresponding path program 1 times [2024-12-02 15:30:47,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:47,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506737245] [2024-12-02 15:30:47,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:47,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:30:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:51,741 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2024-12-02 15:30:51,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:30:51,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506737245] [2024-12-02 15:30:51,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506737245] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:30:51,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546779136] [2024-12-02 15:30:51,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:51,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:30:51,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:30:51,744 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:30:51,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 15:30:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:30:56,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 3501 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 15:30:56,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:30:56,613 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-12-02 15:30:56,613 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:30:56,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546779136] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:30:56,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:30:56,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2024-12-02 15:30:56,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776988429] [2024-12-02 15:30:56,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:30:56,613 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 15:30:56,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:30:56,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 15:30:56,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-12-02 15:30:56,614 INFO L87 Difference]: Start difference. First operand 8116 states and 12201 transitions. Second operand has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 3 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 15:30:58,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:30:58,472 INFO L93 Difference]: Finished difference Result 11719 states and 17228 transitions. [2024-12-02 15:30:58,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 15:30:58,472 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 3 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 316 [2024-12-02 15:30:58,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:30:58,509 INFO L225 Difference]: With dead ends: 11719 [2024-12-02 15:30:58,509 INFO L226 Difference]: Without dead ends: 8116 [2024-12-02 15:30:58,521 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:30:58,522 INFO L435 NwaCegarLoop]: 1484 mSDtfsCounter, 106 mSDsluCounter, 5745 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 7229 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:30:58,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 7229 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 15:30:58,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8116 states. [2024-12-02 15:30:59,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8116 to 8114. [2024-12-02 15:30:59,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8114 states, 5737 states have (on average 1.2349660101098134) internal successors, (7085), 5863 states have internal predecessors, (7085), 1825 states have call successors, (1825), 522 states have call predecessors, (1825), 544 states have return successors, (3287), 1808 states have call predecessors, (3287), 1821 states have call successors, (3287) [2024-12-02 15:30:59,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8114 states to 8114 states and 12197 transitions. [2024-12-02 15:30:59,271 INFO L78 Accepts]: Start accepts. Automaton has 8114 states and 12197 transitions. Word has length 316 [2024-12-02 15:30:59,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:30:59,271 INFO L471 AbstractCegarLoop]: Abstraction has 8114 states and 12197 transitions. [2024-12-02 15:30:59,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 25.666666666666668) internal successors, (154), 6 states have internal predecessors, (154), 3 states have call successors, (53), 2 states have call predecessors, (53), 3 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2024-12-02 15:30:59,272 INFO L276 IsEmpty]: Start isEmpty. Operand 8114 states and 12197 transitions. [2024-12-02 15:30:59,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2024-12-02 15:30:59,275 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:30:59,275 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:30:59,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 15:30:59,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-12-02 15:30:59,476 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:30:59,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:30:59,476 INFO L85 PathProgramCache]: Analyzing trace with hash -645883898, now seen corresponding path program 1 times [2024-12-02 15:30:59,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:30:59,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343202919] [2024-12-02 15:30:59,476 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:30:59,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:31:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:31:04,119 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 6 proven. 67 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-12-02 15:31:04,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:31:04,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343202919] [2024-12-02 15:31:04,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1343202919] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:31:04,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248571727] [2024-12-02 15:31:04,119 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:31:04,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:31:04,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:31:04,121 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:31:04,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 15:31:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:31:08,511 INFO L256 TraceCheckSpWp]: Trace formula consists of 3896 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-02 15:31:08,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:31:09,029 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 257 proven. 3 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-12-02 15:31:09,029 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:31:13,000 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2024-12-02 15:31:13,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248571727] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:31:13,000 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:31:13,000 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 14 [2024-12-02 15:31:13,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097426915] [2024-12-02 15:31:13,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:31:13,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 15:31:13,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:31:13,003 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 15:31:13,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:31:13,003 INFO L87 Difference]: Start difference. First operand 8114 states and 12197 transitions. Second operand has 14 states, 13 states have (on average 18.76923076923077) internal successors, (244), 12 states have internal predecessors, (244), 5 states have call successors, (92), 2 states have call predecessors, (92), 5 states have return successors, (90), 6 states have call predecessors, (90), 5 states have call successors, (90) [2024-12-02 15:31:15,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:31:15,446 INFO L93 Difference]: Finished difference Result 16209 states and 24368 transitions. [2024-12-02 15:31:15,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:31:15,447 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 18.76923076923077) internal successors, (244), 12 states have internal predecessors, (244), 5 states have call successors, (92), 2 states have call predecessors, (92), 5 states have return successors, (90), 6 states have call predecessors, (90), 5 states have call successors, (90) Word has length 351 [2024-12-02 15:31:15,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:31:15,476 INFO L225 Difference]: With dead ends: 16209 [2024-12-02 15:31:15,476 INFO L226 Difference]: Without dead ends: 8114 [2024-12-02 15:31:15,497 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 709 GetRequests, 694 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:31:15,498 INFO L435 NwaCegarLoop]: 1480 mSDtfsCounter, 200 mSDsluCounter, 13129 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 14609 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:31:15,498 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 14609 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 15:31:15,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8114 states. [2024-12-02 15:31:16,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8114 to 8114. [2024-12-02 15:31:16,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8114 states, 5737 states have (on average 1.2347917029806519) internal successors, (7084), 5862 states have internal predecessors, (7084), 1825 states have call successors, (1825), 522 states have call predecessors, (1825), 544 states have return successors, (3287), 1808 states have call predecessors, (3287), 1821 states have call successors, (3287) [2024-12-02 15:31:16,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8114 states to 8114 states and 12196 transitions. [2024-12-02 15:31:16,345 INFO L78 Accepts]: Start accepts. Automaton has 8114 states and 12196 transitions. Word has length 351 [2024-12-02 15:31:16,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:31:16,345 INFO L471 AbstractCegarLoop]: Abstraction has 8114 states and 12196 transitions. [2024-12-02 15:31:16,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 18.76923076923077) internal successors, (244), 12 states have internal predecessors, (244), 5 states have call successors, (92), 2 states have call predecessors, (92), 5 states have return successors, (90), 6 states have call predecessors, (90), 5 states have call successors, (90) [2024-12-02 15:31:16,346 INFO L276 IsEmpty]: Start isEmpty. Operand 8114 states and 12196 transitions. [2024-12-02 15:31:16,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2024-12-02 15:31:16,350 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:31:16,350 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:31:16,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 15:31:16,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:31:16,551 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:31:16,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:31:16,551 INFO L85 PathProgramCache]: Analyzing trace with hash -2135418653, now seen corresponding path program 1 times [2024-12-02 15:31:16,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:31:16,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470217431] [2024-12-02 15:31:16,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:31:16,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:31:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:31:21,370 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 19 proven. 54 refuted. 0 times theorem prover too weak. 580 trivial. 0 not checked. [2024-12-02 15:31:21,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:31:21,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470217431] [2024-12-02 15:31:21,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470217431] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:31:21,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054873097] [2024-12-02 15:31:21,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:31:21,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:31:21,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:31:21,372 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:31:21,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 15:31:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:31:26,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 3914 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-12-02 15:31:26,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:31:26,657 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 343 proven. 3 refuted. 0 times theorem prover too weak. 307 trivial. 0 not checked. [2024-12-02 15:31:26,657 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 15:31:30,733 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 18 proven. 51 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2024-12-02 15:31:30,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054873097] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 15:31:30,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 15:31:30,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 14 [2024-12-02 15:31:30,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736053677] [2024-12-02 15:31:30,733 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 15:31:30,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 15:31:30,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:31:30,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 15:31:30,735 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:31:30,735 INFO L87 Difference]: Start difference. First operand 8114 states and 12196 transitions. Second operand has 14 states, 13 states have (on average 18.923076923076923) internal successors, (246), 12 states have internal predecessors, (246), 5 states have call successors, (92), 2 states have call predecessors, (92), 5 states have return successors, (90), 6 states have call predecessors, (90), 5 states have call successors, (90) [2024-12-02 15:31:33,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:31:33,191 INFO L93 Difference]: Finished difference Result 16204 states and 24359 transitions. [2024-12-02 15:31:33,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 15:31:33,192 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 18.923076923076923) internal successors, (246), 12 states have internal predecessors, (246), 5 states have call successors, (92), 2 states have call predecessors, (92), 5 states have return successors, (90), 6 states have call predecessors, (90), 5 states have call successors, (90) Word has length 355 [2024-12-02 15:31:33,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:31:33,227 INFO L225 Difference]: With dead ends: 16204 [2024-12-02 15:31:33,227 INFO L226 Difference]: Without dead ends: 8114 [2024-12-02 15:31:33,253 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 719 GetRequests, 704 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-12-02 15:31:33,253 INFO L435 NwaCegarLoop]: 1479 mSDtfsCounter, 186 mSDsluCounter, 11651 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 228 SdHoareTripleChecker+Valid, 13130 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-12-02 15:31:33,253 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [228 Valid, 13130 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-12-02 15:31:33,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8114 states. [2024-12-02 15:31:34,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8114 to 8114. [2024-12-02 15:31:34,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8114 states, 5737 states have (on average 1.2346173958514903) internal successors, (7083), 5861 states have internal predecessors, (7083), 1825 states have call successors, (1825), 522 states have call predecessors, (1825), 544 states have return successors, (3287), 1808 states have call predecessors, (3287), 1821 states have call successors, (3287) [2024-12-02 15:31:34,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8114 states to 8114 states and 12195 transitions. [2024-12-02 15:31:34,087 INFO L78 Accepts]: Start accepts. Automaton has 8114 states and 12195 transitions. Word has length 355 [2024-12-02 15:31:34,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:31:34,088 INFO L471 AbstractCegarLoop]: Abstraction has 8114 states and 12195 transitions. [2024-12-02 15:31:34,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 18.923076923076923) internal successors, (246), 12 states have internal predecessors, (246), 5 states have call successors, (92), 2 states have call predecessors, (92), 5 states have return successors, (90), 6 states have call predecessors, (90), 5 states have call successors, (90) [2024-12-02 15:31:34,088 INFO L276 IsEmpty]: Start isEmpty. Operand 8114 states and 12195 transitions. [2024-12-02 15:31:34,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2024-12-02 15:31:34,092 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:31:34,092 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:31:34,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 15:31:34,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:31:34,293 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:31:34,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:31:34,294 INFO L85 PathProgramCache]: Analyzing trace with hash -1281130330, now seen corresponding path program 1 times [2024-12-02 15:31:34,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:31:34,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380306518] [2024-12-02 15:31:34,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:31:34,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:31:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:31:43,415 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 656 trivial. 0 not checked. [2024-12-02 15:31:43,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:31:43,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380306518] [2024-12-02 15:31:43,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380306518] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:31:43,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:31:43,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-12-02 15:31:43,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453992145] [2024-12-02 15:31:43,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:31:43,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-12-02 15:31:43,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:31:43,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-12-02 15:31:43,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:31:43,416 INFO L87 Difference]: Start difference. First operand 8114 states and 12195 transitions. Second operand has 18 states, 17 states have (on average 8.941176470588236) internal successors, (152), 16 states have internal predecessors, (152), 9 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (46), 11 states have call predecessors, (46), 9 states have call successors, (46) [2024-12-02 15:31:47,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:31:51,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:31:55,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:31:59,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 15:32:06,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:32:06,896 INFO L93 Difference]: Finished difference Result 15166 states and 22750 transitions. [2024-12-02 15:32:06,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-02 15:32:06,896 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 8.941176470588236) internal successors, (152), 16 states have internal predecessors, (152), 9 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (46), 11 states have call predecessors, (46), 9 states have call successors, (46) Word has length 359 [2024-12-02 15:32:06,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:32:06,937 INFO L225 Difference]: With dead ends: 15166 [2024-12-02 15:32:06,937 INFO L226 Difference]: Without dead ends: 8172 [2024-12-02 15:32:06,965 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2024-12-02 15:32:06,965 INFO L435 NwaCegarLoop]: 1477 mSDtfsCounter, 14 mSDsluCounter, 21761 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 23238 SdHoareTripleChecker+Invalid, 723 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.5s IncrementalHoareTripleChecker+Time [2024-12-02 15:32:06,965 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 23238 Invalid, 723 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 716 Invalid, 4 Unknown, 0 Unchecked, 22.5s Time] [2024-12-02 15:32:06,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8172 states. [2024-12-02 15:32:07,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8172 to 8124. [2024-12-02 15:32:07,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8124 states, 5743 states have (on average 1.2347205293400663) internal successors, (7091), 5869 states have internal predecessors, (7091), 1827 states have call successors, (1827), 522 states have call predecessors, (1827), 546 states have return successors, (3293), 1810 states have call predecessors, (3293), 1823 states have call successors, (3293) [2024-12-02 15:32:07,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8124 states to 8124 states and 12211 transitions. [2024-12-02 15:32:07,791 INFO L78 Accepts]: Start accepts. Automaton has 8124 states and 12211 transitions. Word has length 359 [2024-12-02 15:32:07,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:32:07,791 INFO L471 AbstractCegarLoop]: Abstraction has 8124 states and 12211 transitions. [2024-12-02 15:32:07,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 8.941176470588236) internal successors, (152), 16 states have internal predecessors, (152), 9 states have call successors, (50), 2 states have call predecessors, (50), 5 states have return successors, (46), 11 states have call predecessors, (46), 9 states have call successors, (46) [2024-12-02 15:32:07,792 INFO L276 IsEmpty]: Start isEmpty. Operand 8124 states and 12211 transitions. [2024-12-02 15:32:07,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2024-12-02 15:32:07,795 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:32:07,795 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:32:07,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-12-02 15:32:07,795 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:32:07,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:32:07,796 INFO L85 PathProgramCache]: Analyzing trace with hash 754082491, now seen corresponding path program 1 times [2024-12-02 15:32:07,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:32:07,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924852418] [2024-12-02 15:32:07,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:32:07,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:32:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:32:13,244 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 41 proven. 6 refuted. 0 times theorem prover too weak. 653 trivial. 0 not checked. [2024-12-02 15:32:13,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:32:13,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924852418] [2024-12-02 15:32:13,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924852418] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 15:32:13,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686281268] [2024-12-02 15:32:13,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:32:13,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:32:13,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:32:13,247 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:32:13,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 15:32:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:32:17,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 4210 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 15:32:17,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 15:32:20,242 INFO L134 CoverageAnalysis]: Checked inductivity of 700 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2024-12-02 15:32:20,242 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 15:32:20,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686281268] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:32:20,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 15:32:20,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [14] total 23 [2024-12-02 15:32:20,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651496626] [2024-12-02 15:32:20,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:32:20,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 15:32:20,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:32:20,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 15:32:20,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2024-12-02 15:32:20,244 INFO L87 Difference]: Start difference. First operand 8124 states and 12211 transitions. Second operand has 14 states, 13 states have (on average 13.461538461538462) internal successors, (175), 13 states have internal predecessors, (175), 6 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (49), 6 states have call predecessors, (49), 6 states have call successors, (49) [2024-12-02 15:32:24,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:32:24,407 INFO L93 Difference]: Finished difference Result 15749 states and 23601 transitions. [2024-12-02 15:32:24,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 15:32:24,407 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.461538461538462) internal successors, (175), 13 states have internal predecessors, (175), 6 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (49), 6 states have call predecessors, (49), 6 states have call successors, (49) Word has length 389 [2024-12-02 15:32:24,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:32:24,455 INFO L225 Difference]: With dead ends: 15749 [2024-12-02 15:32:24,455 INFO L226 Difference]: Without dead ends: 8168 [2024-12-02 15:32:24,486 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 382 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=68, Invalid=582, Unknown=0, NotChecked=0, Total=650 [2024-12-02 15:32:24,487 INFO L435 NwaCegarLoop]: 1472 mSDtfsCounter, 3 mSDsluCounter, 17615 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 19087 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-12-02 15:32:24,487 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 19087 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-12-02 15:32:24,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8168 states. [2024-12-02 15:32:25,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8168 to 8124. [2024-12-02 15:32:25,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8124 states, 5743 states have (on average 1.2347205293400663) internal successors, (7091), 5869 states have internal predecessors, (7091), 1827 states have call successors, (1827), 522 states have call predecessors, (1827), 546 states have return successors, (3293), 1810 states have call predecessors, (3293), 1823 states have call successors, (3293) [2024-12-02 15:32:25,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8124 states to 8124 states and 12211 transitions. [2024-12-02 15:32:25,374 INFO L78 Accepts]: Start accepts. Automaton has 8124 states and 12211 transitions. Word has length 389 [2024-12-02 15:32:25,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:32:25,374 INFO L471 AbstractCegarLoop]: Abstraction has 8124 states and 12211 transitions. [2024-12-02 15:32:25,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.461538461538462) internal successors, (175), 13 states have internal predecessors, (175), 6 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (49), 6 states have call predecessors, (49), 6 states have call successors, (49) [2024-12-02 15:32:25,375 INFO L276 IsEmpty]: Start isEmpty. Operand 8124 states and 12211 transitions. [2024-12-02 15:32:25,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2024-12-02 15:32:25,378 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:32:25,378 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:32:25,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 15:32:25,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-12-02 15:32:25,579 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ldv_linux_usb_dev_usb_put_devErr0ASSERT_VIOLATIONERROR_FUNCTION === [get_1284_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2024-12-02 15:32:25,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:32:25,579 INFO L85 PathProgramCache]: Analyzing trace with hash -624322110, now seen corresponding path program 1 times [2024-12-02 15:32:25,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:32:25,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652304671] [2024-12-02 15:32:25,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:32:25,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:32:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 15:32:30,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [781851649] [2024-12-02 15:32:30,472 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:32:30,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 15:32:30,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:32:30,474 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 15:32:30,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3b38e6d8-eea7-4b5f-b851-19fe87a7ab1b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process